Best Debugging Tools in China of 2025

Scout Monitoring

Scout Monitoring is Application Performance Monitoring (APM) that finds what you can't see in charts. Scout APM is application performance monitoring that streamlines troubleshooting by helping developers find and fix performance issues before customers ever see them. With real-time alerting, a developer-centric UI, and tracing logic that ties bottlenecks directly to source code, Scout APM helps you spend less time debugging and more time building a great product. Quickly identify, prioritize, and resolve performance problems – memory bloat, N+1 queries, slow database queries, and more – with an agent that instruments the dependencies you need at a fraction of the overhead. Scout APM is built for developers, by developers, and monitors Ruby, PHP, Python, Node.js, and Elixir applications.

View Tool

Bugsnag

Bugsnag monitors application stability so you can make data-driven decisions on whether you should be building new features, or fixing bugs. ‍ We are a full stack stability monitoring solution with best-in-class functionality for mobile applications. Rich, end-to-end diagnostics to help you reproduce every error. A simple and thoughtful user experience for all your apps in one dashboard. The definitive metric for app health — the common language for product and engineering teams. Not all bugs are worth fixing. Focus on the ones that matter to your business. Extensible libraries with opinionated defaults and countless customization options. Subject matter experts who care deeply about error reduction and the health of your apps.

1 Rating

Starting Price: $59 per month

View Tool

Bugfender

Beenario

Remote logger, crash reporter and in-app user feedback Bugfender is a log storage service for application developers. Bugfender collects everything happening in the application, even if it doesn’t crash, in order to reproduce and resolve bugs more effectively and provide better customer support. Bugfender respects your user's privacy, is battery and network efficient and keeps logging even if the device is offline. Track and destroy bugs before users even notice. Bugfender logs all bugs on all devices and sends the results in seconds - enabling you to find and fix bugs before your users even get an error message. Achieve 5-Star Ratings. Bugfender doesn’t just log bugs and crashes. It logs all the information you’ll ever need so you can build a clear picture of your users and earn those crucial five-star ratings. Deliver world-class customer service. Our logging tool enables you to target individual users and provide personalized customer support.

1 Rating

Starting Price: €29 per month

View Tool

Fiddler

Progress Software

Capture all HTTP(S) traffic between your computer and the Internet with Telerik Fiddler HTTP(S) proxy. Inspect traffic, set breakpoints, and fiddle with requests & responses. Fiddler Everywhere is a web debugging proxy for macOS, Windows, and Linux. Capture, inspect, monitor all HTTP(S) traffic between your computer and the Internet, mock requests, and diagnose network issues. Fiddler Everywhere can be used for any browser, application, process. Debug traffic from macOS, Windows, or Linux systems and iOS or Android mobile devices. Ensure the proper cookies, headers, and cache directives are transferred between the client and server. Supports any framework, including .NET, Java, Ruby, etc. Mock or modify requests and responses on any website. It’s a quick and easy way to change the request and responses to test websites without changing code. Use Fiddler Everywhere to log all HTTP/S traffic between your computer and the Internet.

1 Rating

Starting Price: $12 per user per month

View Tool

HTTP Toolkit

Skim through traffic with highlighting by content type, status & source, or use powerful filtering tools to precisely match the messages that matter to you. Examine the URL, status, headers & body of each request or response, with inline explanations & docs from MDN. Dig into message bodies with highlighting & auto formatting for JSON, HTML, JS, hex and others, all using the power of Monaco, the editor from Visual Studio Code. Precisely match requests, jump to them when they appear, and edit anything: the target URL, method, headers or body. Manually respond directly to requests as they arrive, or pass them upstream, and pause & edit the real response on the way back. Step through HTTP traffic request by request, or manually mock endpoints and errors. Create rules to match requests and respond with your own content, to quickly prototype against new endpoints or services.

1 Rating

Starting Price: Free

View Tool

Sentry

From error tracking to performance monitoring, developers can see what actually matters, solve quicker, and learn continuously about their applications - from the frontend to the backend. With Sentry’s performance monitoring you can trace performance issues to poor-performing api calls and slow database queries. Source code, error filters, stack locals — Sentry enhances application performance monitoring with stack traces. Quickly identify performance issues before they become downtime. View the entire end-to-end distributed trace to see the exact, poor-performing API call and surface any related errors. Breadcrumbs make application development a little easier by showing you the trails of events that lead to the error(s).

1 Rating

Starting Price: $26 per month

View Tool

PlatformIO

Professional collaborative platform for embedded development. PlatformIO is a next-generation, collaborative platform for embedded development that enables customers to save resources and time by vastly reducing the expenses and labor associated with creating and maintaining product software. We believe the embedded systems industry desperately needs reinvention. Not only are the IDEs and tools built with technology from the 1990s, but they involve many complex requirements and platform-dependent configurations that turn away talented developers from becoming embedded engineers. The most loved IDE solution for Microsoft Visual Studio Code. A user-friendly and extensible integrated development environment with a set of professional development instruments, providing modern and powerful features to speed up yet simplify the creation and delivery of embedded products. PlatformIO is written in pure Python and doesn't depend on any additional libraries/tools from an operation system.

1 Rating

View Tool

Rollbar

Discover, predict, and resolve errors in real-time. Go beyond crash reporting, error tracking, logging and error monitoring. Get instant and accurate alerts — plus a real-time feed — of all errors, including unhandled exceptions. Our automation-grade grouping uses machine learning to reduce noise and gives you error signals you can trust.

Starting Price: $19.00/month

View Tool

Airbrake

Capture and track application exceptions in minutes with Airbrake, an error monitoring and detection solution. Fast and effective, Airbrake enables users to quickly identify, asses and resolve errors such as parameters, stacktraces, affected users, and more. Airbrake features detailed dashboards that tracks and manages errors with ease. Airbrake is also accessible via mobile devices with its mobile optimized web application.

Starting Price: $49.00/month

View Tool

Solidity Debugger Pro

Free & Open source. Cross-platform. Supports all EVM blockchains. Solidity Debugger Pro (sdbg) is a VS Code extension that adds feature-rich debugging capabilities for Solidity projects. It supports all EVM-compatible blockchains, allowing developers to easily debug smart contracts locally or on a forked node. Sdbg brings native debugging support for the popular Hardhat framework.

Starting Price: Free

View Tool

Errsole

1) Minimal Setup: Just include the Errsole package in your code—no need for dedicated servers, software installations, or complicated configurations. 2) Logger++: Errsole automatically collects all logs from the Node.js console. Additionally, it provides advanced logging functions that support multiple log levels and the ability to attach metadata to logs. 3) Log Viewer: View, filter, and search through your logs using the built-in Web Dashboard. Secure authentication and team management features ensure that only you and your team can access the logs. 4) Critical Error Notifications: Get immediate notifications when your app crashes or encounters critical errors. The notification includes the error message, the app name, the environment, the server name, and a direct link to view the error in your logs.

Starting Price: 0

View Tool

Bugsee

See video, network and logs that led to bugs and crashes in live apps. No need to reproduce intermittent bugs. With Bugsee, all the crucial data is always there. All important traces from your app. Now you know what exactly led to unexpected behavior. See the video of all user actions, communication with the backend and system state that led to the problem. Get statistics on similar crashes. See trends broken down by device type, OS version and time. Get the exact filename, method and a line number of the crash. See states of all other threads running at the time of the crash. See all HTTP and HTTPS requests and responses – headers and body – from and to your app. Replay all app’s console logs synchronized to the video and network traffic.

Starting Price: $99 per month

View Tool

RubyMotion

Scratchwork Development LLC

RubyMotion lets you quickly develop cross-platform native apps for iOS, Android and OS X, all using your favorite editor and the awesome Ruby language you know and love. RubyMotion features a statically-compiled version of the Ruby language designed for native mobile platforms, as well as a command-line based extensible toolchain that will let you easily customize your development workflow just the way you like it. Thanks to RubyMotion, your Ruby developers can write iOS and Android apps, today. Ruby makes programmers happy and productive, and by sharing the same language across platforms you get to reuse code, save time, and ship faster.

Starting Price: Free

View Tool

Thundra

Thundra is a developer platform company that empowers application teams to develop, debug, test, and monitor modern microservices on the cloud. By offering everything from automated instrumentation to cloud debugging and test optimization in a single platform, Thundra eliminates the need for multiple tools for pre-production and production environments

Starting Price: $90 per month

View Tool

Honeycomb

Honeycomb.io

Log management. Upgraded. With Honeycomb. Honeycomb is built for modern dev teams to better understand application performance, debug & improve log management. With rapid query, find unknown unknowns across system logs, metrics & traces with interactive charts for the deepest view against raw, high cardinality data. Configure Service Level Objective (SLOs) on what users care about so you cut-down noisy alerts and prioritize the work. Reduce on-call toil, ship code faster and keep customers happy. Pinpoint the cause. Optimize your code. See your prod in hi-res. Our SLOs tell you when your customers are having a bad experience so that you can immediately debug why those issues are happening, all within the same interface. Use our Query Builder to easily slice and dice your data to visualize behavioral patterns for individual users and services (grouped by any dimensions).

Starting Price: $70 per month

View Tool

Disbug

Dev teams use Disbug chrome extension to capture bugs with screen recording, screenshots, console logs, network logs, user events and upload them to the project management tool, with a single click! Explain and narrate the problem visually. Let developers see exactly what happened when it went wrong. One-click capture of the entire context for bug reports. Instantly know what went wrong from every angle by capturing the complete session. Get consolidated technical logs directly in your favorite tools and with a link to see the detailed logs. Centralize everything in your issue trackers. Seamless integration with the tools of your choice. Automatically create tickets in the pre-configured issue tracker when you report the bug. Expedites the debugging process. Gives you more clarity and makes development easy. Cut down your bug reporting time by 60%. Streamline the work of QA testers, developers & project managers at costs less than a cup of coffee!

Starting Price: $33 per month

View Tool

Kaption

Kaption.co

Kaption is the leading AI-first analytics and feedback tool for digital marketers. Get the insights you need to optimize your digital experience and move business forward. Eliminate guess work, know why it happens, and iterate a lot faster. Often the best way to persuade is to first see things through your customers eyes. Do you know how they are using your website? With Kaption you can visualize your user's journey and any bumps along the way. Excellence comes from good information. Without data you are either lucky, or wrong. Focus your efforts with conversion and monitoring tools. Free heatmap analytics to view your user engagement with each element on your site and how it affects their behavior. See where users get stuck, increase conversion rates, and debug your product faster with smart metadata.

Starting Price: $25 per month

View Tool

Shake

Reports arrive to you instantly, automatically supplemented with a ton of useful data so you can fix them 50X faster. Whenever users notice a bug, they just shake their phone to report it, without ever leaving your app. When they shake their device, Shake opens up and allows them to send you feedback without ever leaving your app. Report yourself any info from the user’s device you want. Use .setMetadata() to easily adjust the data to your debugging requirements. See the user’s taps around your app, .log() custom events and see all their network traffic prior to reporting the bug to you. On the web Dashboard you can, for example, effortlessly find only bugs reported from iPad Airs that were in landscape mode and offline. Get bug notifications immediately in your team chat. Or, have tasks created directly in your issue tracker of choice. Shake was built to play nicely with the tools your team already uses.

Starting Price: $50 per month

View Tool

Xdebug

Xdebug is an extension for PHP, and provides a range of features to improve the PHP development experience. A way to step through your code in your IDE or editor while the script is executing. An improved var_dump() function, stack traces for notices, warnings, errors, and exceptions to highlight the code path to the error. Writes every function call, with arguments and invocation location to disk. Optionally also includes every variable assignment and return value for each function. Allows you, with the help of visualization tools, to analyze the performance of your PHP application and find bottlenecks. Shows which parts of your code base are executed when running unit tests with PHPUnit. Installing Xdebug with a package manager is often the fastest way. You can substitute the PHP version with the one that matches the PHP version that you are running. You can install Xdebug through PECL on Linux & macOS with Homebrew.

Starting Price: Free

View Tool

Jam

If you’ve taken a screenshot or screen recording, you already know how to Jam. Jam auto-magically creates bug reports with all the info engineers need. Jam creates better bug reports in whatever tool you use. Share links to your bug reports or send them directly to your favorite issue tracker. Your teammates benefit whether they’ve signed up or not. Jam captures everything an engineer needs to debug. We've cut out the need for all those follow-up calls to share more context. Everything they need is right there. Perfect bug reports, every time. No more back and forth. Integrates tightly with your favorite issue trackers & tools. As easy as taking a screenshot. Trusted by thousands of teams at companies. Report bugs in seconds, without disrupting your workflow. Jam currently supports developers during the code review and testing cycles by capturing bug diagnostic data and instantly replaying the bug to seamlessly identify what needs to be fixed.

Starting Price: $10 per month

View Tool

Polar Signals

Polar Signals cloud is an always-on, zero-instrumentation continuous profiling product that helps improve performance, understand incidents, and lower infrastructure costs. With just one command and the easiest onboarding guide you’ll ever see, you can start saving costs and optimizing performance in your infrastructure. Travel back in time to pinpoint incidents and issues. Profiling data provides unique insight and depth into what a process executed over time. Utilize profiling data collected over time to confidently and statistically identify hot paths for optimization. Many organizations have 20-30% of resources wasted with code paths that could be easily optimized. Polar Signals Cloud employs an exceptional blend of technologies, purpose-built to deliver the profiling toolset essential for today's evolving infrastructure and applications. With a zero instrumentation setup, deploy immediately and reap the benefits of actionable observability data.

Starting Price: $50 per month

View Tool

Buglab

Automatically detect bugs and UI/UX discrepancies. Finding bugs is not only difficult but repetitive and boring too. With Buglab, you can easily detect UI/UX issues in websites, platforms, and web apps by automating the testing process. Accelerate development, and ensure client-facing software quality effortlessly while focusing on the important aspects of your business. Find UI bugs before they cost you. Buglab automates website testing by allowing you to simulate any kind of user action with just a few clicks, and without writing a single line of code. You can create any suitable sequence, to ensure your website changes are not causing any bugs or functionality changes. Once a test has been set, the system will display the results and highlight the differences between your base, and the new version of your website. Group your tests in logical suites and projects, and schedule them with different schedules.

Starting Price: $39 per month

View Tool

Defang

Defang is a developer-centric platform that simplifies the process of developing, deploying, and debugging cloud applications. By leveraging AI-assisted tooling, Defang enables developers to swiftly transition from an idea to a deployed application on their preferred cloud provider. The platform supports multiple programming languages, including Go, JavaScript, and Python, allowing developers to start with sample projects or generate project outlines using natural language prompts. With a single command, Defang builds and deploys applications, handling configurations for computing, storage, load balancing, networking, logging, and security. The Defang Command Line Interface (CLI) facilitates interactions with the platform, offering installation options via shell scripts, Homebrew, Winget, Nix, or direct download. Developers can define services using compose.yaml files, which Defang utilizes to deploy applications to the cloud.

Starting Price: $10 per month

View Tool

Latta

Latta AI is an innovative platform designed to streamline the software development process by automating the detection and resolution of bugs. By recording user sessions and applying AI-driven fixes, Latta AI enables developers, project managers, and testers to focus more on feature development, thereby boosting productivity and accelerating release cycles. The platform integrates seamlessly with popular version control systems like GitHub and GitLab and maintains strict security protocols to ensure code privacy and protection. Additionally, Latta AI offers a plugin for JetBrains IDEs, allowing developers to access its bug-fixing tools directly within their development environment. This integration facilitates quick identification and resolution of issues without the need to leave the IDE. Overall, Latta AI aims to reduce the time developers spend on debugging by up to 40%, enhancing efficiency and allowing teams to focus on innovation.

Starting Price: $0.05 per fix

View Tool

DebuggAI

DebuggAI is an AI-powered debugging platform designed to streamline the process of identifying and resolving code issues through intelligent automation. It offers features such as text-based test requests, secure local tunneling for testing on localhost servers, and visual test reports with GIF recordings to enhance the debugging experience. The platform supports various technologies, including Node.js, Next.js, React, TypeScript, JavaScript, Python, Django, and Vite, making it versatile for different development environments. DebuggAI aims to reduce the complexity of end-to-end testing by allowing developers to generate and run tests using simple English commands, thereby improving efficiency and confidence in the development workflow.

Starting Price: $20 per month

View Tool

LogDog

Built from the ground up for mobile developers. Monitor network requests, logs, and events in real-time. Debug faster, ship with confidence. FEATURES: - RealTime Logs: Capture every log from your application and see them appear in instantly in the dashboard - Network Monitoring: See how LogDog captures and analyses HTTP requests and responses - Event Tracking: Watch real-time event logging and analytics collection - Performance Metrics: Monitor app performance in real-time - Request Mocking: One Click to enable request mocking - throw in your own body, headers or statusCode - Any build type: Check logs from your Store builds, TestFlight and of course Xcode builds - Seamless experience: Test events across different session without annoying reattachment - Shake to Debug: Shake your device to toggle various debug features from LogDog

Starting Price: $19/month

View Tool

FlowLens

Magentic AI

FlowLens is an AI-native debugging and session-recording tool that captures everything needed for correct, context-aware bug diagnosis and lets AI coding agents fix bugs autonomously. With a simple browser extension and optional MCP server, FlowLens records full user sessions, including video of the UI, network-request data, console logs, user interactions (clicks, inputs, navigation), storage state (cookies, local/session storage), system info, and more, all synchronized on a unified timeline. Once a bug is reproduced, FlowLens bundles that complete context into a single “flow” that can be shared via link. AI coding agents compatible with MCP (such as those from major providers) can then load the flow, inspect network activity, error logs, UI state, and user inputs, and automatically analyze root causes and suggest or even generate code fixes. This removes the need for manual replays, copying and pasting logs, or writing verbose bug descriptions.

Starting Price: $11 per month

View Tool

Instabug

Instabug provides in-app feedback and bug reporting to mobile apps. After integrating the SDK, it allows you to have seamless two-way communication with users or testers while providing detailed environment report for developers. The integration process takes less than a minute and the results are outstanding! The top apps in the world rely on Instabug. We provide exceptional support 24/7 and is constantly rated highly as a bug reporting & tracking tool. Expand your mobile team's understanding of performance and user experience to enable faster fix times, precise performance metrics and error prioritization. With visibility into 100% of user sessions, quickly prioritize to focus on the issues that matter most to you and your user’s experience. Quickly integrate instabug to your apps with a single line of code. Instabug enables your team to find the balance between new feature development and stability.

Starting Price: $83.00/month

View Tool

HttpWatch

Neumetrix

Become a debugging and web performance guru with the ultimate in-browser HTTP sniffer. Debug the network traffic generated by a web page directly in the browser without having to switch to a separate tool. Accurately measure the network performance of a web page and view opportunities for boosting its speed. No extra configuration or proxies are required - even with encrypted HTTPS traffic! Quickly find weak SSL configurations and other security-related issues on your web server. Anyone can use the free Basic Edition to send you full log files to help you remotely diagnose errors or performance issues. Use the HttpWatch API to collect performance data from your automated website tests. HttpWatch integrates with Chrome, Edge and Internet Explorer browsers to show you the HTTP and HTTPS traffic that is generated when you access a web page. Select a request in HttpWatch and everything you need to know is display in a tabbed window.

Starting Price: $395 one-time payment

View Tool

Backtrace

Don’t let app, device, or game crashes get in the way of a great experience. Backtrace takes all the manual labor out of cross-platform crash and exception management so you can focus on shipping. Cross-platform callstack and event aggregation and monitoring. Process errors from panics, core dumps, minidumps, and during runtime across your stack with a single system. Backtrace generates structured, searchable error reports from your data. Automated analysis cuts down on time to resolution by surfacing important signals that lead engineers to crash root cause. Never worry about missing a clue with rich integrations into dashboards, notification, and workflow systems. Answer the questions that matter to you with Backtrace’s rich query engine. View a high-level overview of error frequency, prioritization, and trends across all your projects. Search through key data points and your own custom data across all your errors.

View Tool

Best Debugging Tools in China

Compare the Top Debugging Tools in China as of December 2025

What are Debugging Tools in China?

Scout Monitoring

Bugsnag

Bugfender

Fiddler

HTTP Toolkit

Sentry

PlatformIO

Rollbar

Airbrake

Solidity Debugger Pro

Errsole

Bugsee

RubyMotion

Thundra

Honeycomb

Disbug

Kaption

Shake

Xdebug

Jam

Polar Signals

Buglab

Defang

Latta

DebuggAI

LogDog

FlowLens

Instabug

HttpWatch

Backtrace

Best Debugging Tools in China

Compare the Top Debugging Tools in China as of December 2025

What are Debugging Tools in China?

Scout Monitoring

Bugsnag

Bugfender

Fiddler

HTTP Toolkit

Sentry

PlatformIO

Rollbar

Airbrake

Solidity Debugger Pro

Errsole

Bugsee

RubyMotion

Thundra

Honeycomb

Disbug

Kaption

Shake

Xdebug

Jam

Polar Signals

Buglab

Defang

Latta

DebuggAI

LogDog

FlowLens

Instabug

HttpWatch

Backtrace

Related Categories