Best Digital Signature Apps for Android of 2025

Compare the Top Digital Signature Apps for Android as of November 2025

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What are Digital Signature Apps for Android?

Digital signature software, also known as electronic signature or e-signature software. enables individuals and organizations to securely sign electronic documents using cryptographic technology that verifies authenticity, integrity, and signer identity. It replaces traditional handwritten signatures with legally recognized digital equivalents that comply with standards such as eIDAS, ESIGN, and UETA. These platforms use public key infrastructure (PKI) to encrypt and validate signatures, ensuring that documents cannot be altered after signing. Many solutions integrate with workflows, email, and document management systems to streamline contract approvals and reduce paperwork. By providing security, efficiency, and legal compliance, digital signature software has become essential for modern business transactions across industries. Compare and read user reviews of the best Digital Signature apps for Android currently available using the table below. This list is updated regularly.

1

Odoo

Odoo

Odoo is a fully integrated, customizable, open-source software packed with hundreds of expertly designed business applications. Odoo’s intuitive database is able to meet a majority of business needs, such as: CRM, Sales, Project, Manufacturing, Inventory, and Accounting, just to name a few. Odoo is an all-in-one software solution designed to meet the needs of companies, regardless of their size (or budget). The unbeatable, seamless nature of Odoo helps businesses become more efficient by reducing redundant manual processes, which helps companies save countless hours of labor. Every module is interconnected to provide a fully-integrated experience from app to app, and users can automate many processes that would’ve otherwise required manual inputs into multiple applications. Odoo keeps all business functions in one place, allowing teams to collaborate with other departments from one unified platform in the most efficient way possible.

1,614 Ratings

Starting Price: $25.00/month/user

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2

Ondato

Ondato

Ondato is a tech company that streamlines KYC and AML-related processes. We're providing advanced technological solutions for digital identity verification, business customer onboarding, data validation, fraud detection, and more. All of them meet the highest quality standards available for KYC online or offline onboarding for all business and customer types orchestrated from a single interface. We're turning compliance into a business benefit by creating a safer environment for organizations and individuals alike.

1 Rating

Starting Price: €149.00/month

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3

Apptivo

Apptivo

Discover how Apptivo CRM Software can help attract, engage, retain and delight more customers. No more juggling between various apps. Increase your productivity and boost your client relationship by managing your Customers, Finances, and Support right from your pocket. Get all the following apps in one CRM, Invoices, Projects, Work Orders, Timesheets, Orders, Estimates, Help Desk, Expenses Reports. A simple online CRM system to store contacts, reminders, files, and communication history. If your business grows and you need more apps, feel free to add them from the App Store at anytime. Manage your sales pipeline, stay on top of employee activities, and close more deals. Track your sales and easily convert them into invoices to get paid quickly! Our mission is to reserve no effort to help our clients and their businesses to thrive and be successful. Everything you need in one cloud solution: CRM, Project Management, Invoicing & more.

Starting Price: $10.00 per user per month

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4

Moxo

Moxo

Moxo’s service orchestration platform transforms complex B2B relationships into seamless experiences. Business processes often fragment across departments, clients, vendors, and partners, creating inefficiency and risks. Our platform streamlines these workflows—turning disjointed experiences into smooth, efficient operations that reduce costs and enhance client satisfaction. Moxo accelerates critical processes including client onboarding, document collection, and exception handling. The results: faster completion times, reduced compliance risks, and superior client experiences. Leading institutions across financial services, consulting, legal, healthcare, and real estate—including Citibank and BNP Paribas —trust Moxo to orchestrate their mission-critical business relationships.

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5

WikiPro

WikiPro

Easily collect reviews, convert leads, set up appointments, get paid faster, run surveys, and more. WikiPro makes it easy for businesses to request reviews. Customers can complete reviews within seconds by texting. Texting is the most effective and immediate way to collect customer reviews. Send invoices and get paid instantly with WikiPro! Send invoice to customers via a simple text message. Customers provide their payment method through text messaging and WikiPro will process your payment instantly and free of charge. Fully configurable reminder text will keep your appointments on time! WikiPro's appointment reminder tool helps to eliminate no-shows and late arrivals by 90%. WikiPro automatically sends reminders by text, email or phone call. Customers can sign any document right on their phone! Contracts and agreements signed at your clients finger tip. WikiPro provides secure and easy-to-use digital signature allowing you and your team to get important documents signed anywhere.

Starting Price: $50 per month

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6

FastDox

FastDox

Receive crucial documentation from customers in minutes. They simply upload or take a photo of their sensitive information and send it across securely instantly. Unlimited amount of document uploads of any size. Upload and send documents from anywhere zero hassle. Auto-edge cropping and dynamic document alignment. Stand out from the competition and offer your customers a seamless onboarding experience. With the platform doing the hard work for you, you can focus on delivering outstanding service. Unchain your staff from the shackles of admin and allow them to spend time building up your customer base. Our clients have seen an increase in sales of up to 35%. Work smarter not harder - dramatically reduce labour and keep business costs down. FastDox cuts postage costs by 95% and helps to ensure repeat business.

Starting Price: £40 per user

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