SIGN.PLUS - eSign & Fill Docs

In-app purchases
36 reviews
Content rating
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image

About this app

SIGN.PLUS is a legally-binding electronic signature solution to sign documents on Android devices and send documents for signature. It’s secure, reliable, cross-platform, and super easy to use.
Using this free eSignature app, you can fill and sign PDF documents, Word documents, and other types of supported documents. You can also utilize the paper scanning feature to convert your paper documents to digital documents and sign them electronically.

★ SIGN.PLUS recognized as the best e-Signature solution to fill and sign documents! ★

Fill and sign documents: This free document signing app allows you to create an electronic signature that can be used to e-sign documents wherever you are and whenever you want. You can draw a signature, type your signature or use your initials.

Send documents for signature: Other than the option to fill and sign documents yourself, you can also send documents for signature. You can send a request for signature even if the signees do not have a SIGN.PLUS account. With this eSignature and form filling app, you can add various fields to the documents, including signature, initials, date, text, and checkbox.

Tamper-proof audit trails: For every document that goes into the process of signing electronically, there are real-time logs to keep track of any activity that has occurred with information such as name, IP address, email address, device. The audit trails available in this free document signing app are non-editable and each document action is thoroughly tracked and time-stamped, serving as legal proof of receipt, review, and signature.

Legally-binding electronic signature: SIGN.PLUS complies with electronic signature regulations such as ESIGN, eIDAS, and ZertES to ensure it delivers the same legal standing as pen-and-paper signatures.

► Extensive security measurements and compliance offerings

Data encryption: We encrypt all documents at rest using 256-bit Advanced Encryption Standard (AES), with each user’s unique encryption key., To protect data in transit between our apps (currently mobile, API, web) and our servers, we use TLS 1.2+ encryption.

Various compliance offerings: We are committed to certifying ourselves and our e-signing platform for all relevant certifications and compliances, including SOC 2, HIPAA, ISO 27001, GDPR, CCPA, and more.

► Looking for an easy way to e-sign PDF documents? We’ve got you covered
If you are looking for a secure document signing app to fill and sign PDF documents, we are here to help. This free eSignature app offers the easiest online signature experience, unlike other form filling and e-sign applications.
You can sign PDF docs, contracts, leases, NDAs, agreements, and pretty much every type of legal document without going through a complicated process. Download SIGN.PLUS for free on your Android device, scan/import the document you wish to sign/be signed electronically and esign it yourself or send it for signature.

SIGN.PLUS features and advantages:

• Legally-binding electronic signature solution
• Fill and sign PDF documents
• Send documents for signature
• Create an electronic signature (Type, draw, initials)
• Extensive regulatory compliance offerings, including SOC 2, HIPAA*, ISO 27001, GDPR, CCPA, and more
• Scan documents with your mobile camera (automatic document detection, magnifier, border cropping, perspective correctness)
• Data encryption
• Tamper-proof audit trails
• Save documents as draft
• Get real-time notifications
• Multiple date formats
• Free e signature app to sign documents on Android

* SIGN.PLUS is HIPAA compliant, provided the user has advanced security controls activated and enters into a business associate agreement (BAA) with SIGN.PLUS. Advanced security controls are available on the Enterprise plan tier.

Any further questions or requests? Do not hesitate to reach us on our website, app, or by email at
Updated on
Mar 14, 2023

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Personal info and App info and performance
Data is encrypted in transit
You can request that data be deleted
36 reviews
Robby Jesse
May 6, 2022
SIGN.PLUS is the best free signature app to sign documents electronically. I have been looking for a signature app for my business for a while now and this one took me by surprise. It has an intuitive UI, the ability to edit signatures and generate a PDF, great customer service and support.
2 people found this review helpful
Did you find this helpful?
May 6, 2022
Hi Robby! We are happy to hear that you enjoyed SIGN.PLUS. Thank you for taking the time to leave a review.
Ashly Jewell
May 8, 2022
I am now able to sign contracts from anywhere, my home office, the airport or even my hotel room on the road with just my phone and a secure internet connection. It's so easy to use, even without having any prior experience of signing documents before.
3 people found this review helpful
Did you find this helpful?
May 9, 2022
Hi Ashly! We are happy to hear that you enjoyed SIGN.PLUS. Thank you for taking the time to leave a review.
Vaping Amy
December 1, 2022
You can't even access your folders to sign a document without purchasing a plan? How am I supposed to get to the document? Stupid. What a waste of a download. Byeee!
Did you find this helpful?
December 2, 2022
Hi Amy‍, While you can review and sign documents with any of our available plans (including Free), the folders feature allows you to better organize your documents and is offered on Professional or higher plans. Can you please send us an email to so we can assist you further?

What's new

• This update has specifically tailored the app to enhance user experience on tablet devices.
• Templates flow revamping: Preview templates before sending them, ensuring that everything looks perfect.
• Optional fields: You can now make some fields optional for your recipients
• Increased the file size limit to 30mb
• A lot of under the hood improvements for performance and reliability