18.4
OpenSign runs on web, Windows, Mac and Linux, with self-hosting, reusable forms, batch sending and audit trails.
Free planOpen sourceWebAPILinux
Best E-Signature Software in 2026
OpenSign leads this chart of 68 (8.4/10, free plan). Zoho Sign is next (8.3/10, free plan), and Dropbox Sign is the next highest-placed with a free plan (8.2/10). Send documents for electronic signing with e-signature software. Compare Android availability and the signing and document controls each option offers. To sign on a phone, first check for Android support. Then weigh free-plan availability, pricing, audit trails, templates, bulk sending, API access, SMS authentication and signature order. Web and other platform support can matter if you work across devices.
28.3
Android e-signature app with web, Windows, Mac and iOS access, plus a free plan.
Free planAndroidiOSWeb
38.2
Dropbox Sign has Android, iOS and web apps, API access, a free plan and a 30-day trial.
Free planAndroidiOSWeb
- 4
Jotform
Jotform has Android, iOS and web apps; its free tier supports five forms, including quizzes.
Free planAndroidiOSWeb8.2From $39 a month - 5
Sertifi by Flywire
Free planAndroidiOSWebAPI8.1Free plan - 6
SigniFlow
SigniFlow offers e-signatures through Android, iOS and web apps, with API and self-hosted options.
Free planAndroidiOSWebAPI8.0From $15 a month - 7
BoldSign
BoldSign has an Android app and extension, plus API access and audit trails.
Free planAndroidiOSAPIExtension7.9From $5 a month - 8
7.9From $25 a month - 9
Sign.Plus
Sign.Plus has Android, iOS and web apps, plus an extension, API access and audit trails.
Free planAndroidiOSWebAPI7.8From $9.99 a month - 10
SigningHub
Android e-signature app with web, Windows and Linux options, plus templates and audit trails.
AndroidiOSWebAPI7.8 - 11
Skribble
Free planAndroidiOSWebAPI7.8From €23 a month - 12
eSignly
eSignly has an Android app, API access and audit trails, with a free plan available.
Free planAndroidiOSAPI7.7From $10 a month - 13
Xodo Sign
Xodo Sign is an electronic-signature service with Android and iOS apps, API access, templates, bulk sending, and audit trails.
Free planAndroidiOSAPI7.7Free plan - 14
Leegality
Leegality offers Android, iOS and web apps, API access and audit trails.
Free planAndroidiOSWebAPI7.6Free plan - 15
Signaturely
Signaturely offers Android, iOS and web apps, plus API access, audit trails and bulk sending.
Free planAndroidiOSWebAPI7.6From $240 a year - 16
SignRequest
SignRequest offers Android, iOS and web apps, with reusable documents, batch sending and audit records.
Free planAndroidiOSWebAPI7.6From €9 a month - 17
Signeasy
Signeasy is a document and contract service for signing, sending, tracking, and managing paperwork.
AndroidiOSWebAPI7.4From $10 a month - 18
Certinal
Certinal offers Android, iOS and web apps, with API access, templates and audit trails.
Free planAndroidiOSWebAPI7.2Free plan - 19
Signority API
Signority API offers web access, API and self-hosted options, plus bulk sending.
Free planWebAPISelf-hostedWindows7.2From $129 a year - 20
DigiSigner
DigiSigner is web-based with API access and audit trails, plus a free plan.
Free planWebAPI7.1From $15 a month - 21
Esup-Signature
Esup-Signature is a free web, desktop or self-hosted tool with document templates and audit trails.
Free planWebAPILinuxmacOS7.1Free plan - 22
sproof sign
sproof sign provides electronic signatures and approval workflows for contracts.
Free planWebAPI7.1Free plan - 23
Documenso
Documenso is web-based and can be self-hosted, with document templates, batch sending and signing records.
Free planWebAPISelf-hosted7.0From $25 a month - 247.0From $19 a month
- 257.0$0.03 one-time
Choosing well
Does it have an Android app?
Check whether the service has an Android app if you want to manage signing from a Xiaomi, Redmi or POCO phone or tablet. Android availability does not by itself establish Xiaomi- or HyperOS-specific support.
The listed platform mix also includes web, iOS, Windows, API and self-hosted options.
Can I use it for free?
Look for a free plan if you want to start without a paid subscription. OpenSign is listed with a free plan, and SignRequest has a free plan as well as a stated starting price and trial.
A free trial is different from an ongoing free plan. Check the pricing terms for the tool you are considering.
Which signing features should I compare?
Match the workflow to the controls you need. Compare document templates, bulk sending, signature order and SMS authentication.
For a record of signing activity, check whether the tool provides an audit trail and whether it meets your needs.
Do I need API access?
If your e-signature workflow needs to connect to other software, check the product's API access details before choosing. The listed tools vary in platform support.
If you need to run or manage the software yourself, check for self-hosted support rather than assuming it is available.
Questions people ask
Which e-signature software has an Android app?
Android is one of the platforms represented in this category. Check an individual tool's platform details to confirm Android app availability and what signing tasks it supports.
Can I get e-signature software for free?
A number of options have a free plan. OpenSign and SignRequest are listed with free plans; check current plan terms before relying on a particular feature.
What features should I look for in e-signature software?
Assess audit trails, document templates, bulk sending, API access, SMS authentication and signature order in light of your workflow.
Does e-signature software work in a web browser?
Web support is represented in this category. Confirm whether the specific service offers the browser access and features you need.
How does a free plan differ from a free trial for e-signature software?
A free plan is an ongoing plan with no subscription charge; a free trial gives temporary access to a paid offering. Check each service's terms.
Do e-signature tools support API access?
API access is a platform option in this category. Check the product details to confirm its API and whether it fits your integration needs.