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Head-to-head · E-Signature Software

Zoho Sign vs OpenSign

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Zoho Sign #2 in E-Signature Software 9.2/10 Free plan · 14-day trial Free planFree trial✓ 5 of 5 features Visit Zoho Sign
OpenSign #45 in E-Signature Software 5.0/10 Free plan Free plan✓ 5 of 5 features Visit OpenSign

Zoho Sign leads on 0 checks, OpenSign on 0, and 6 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreZoho Sign · 9.2/10
  • Free planboth
  • Free trialonly Zoho Sign

Zoho Sign scores higher on our rubric for e-signature software: 9.2 against 5.0 out of 10; our editors rank them #2 and #45.

Zoho Sign is the better fit for zoho users wanting affordable full-featured signing. OpenSign is the better fit for self-hosters wanting a free open-source option.

  • Zoho Sign fits best

    Zoho users wanting affordable full-featured signing

  • OpenSign fits best

    Self-hosters wanting a free open-source option

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Zoho Sign 9.2/10 Visit ↗ OpenSign 5.0/10 Visit ↗
At a glance
Editor score 9.2 5.0
Ranking #2 in E-Signature Software #45 in E-Signature Software
Best for Zoho users wanting affordable full-featured signing Self-hosters wanting a free open-source option
Pricing model Free plan + paid Free plan + paid
Starting price — —
Free plan ✓ ✓
Free trial 14 days —
Deployment Cloud, Desktop, Mobile, Browser extension Cloud, Self-hosted, Browser extension
Platforms Web, Windows, macOS, iOS, Android, Chrome extension Web, Windows, macOS, Linux
Support Email, Phone, Community, Docs Email, Community, Docs
Compliance SOC 2, ISO 27001, GDPR, HIPAA, 2FA 2FA
Integrations 600+ integrations 4 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Zoho Sign 5/5 · OpenSign 5/5
Audit trail ✓ ✓
Document templates ✓ ✓
Bulk sending ✓ ✓
API access ✓ ✓
SMS authentication ✓ ✓
Specs
Signature order Both Both
Our review
Pros
  • Free plan includes audit trails and mobile and desktop apps
  • Supports sequential, parallel, bulk, and in-person signing workflows
  • REST APIs, webhooks, SDKs, and 10 listed integrations
  • Free plan includes unlimited e-signatures and completion certificates.
  • Supports templates, routing, bulk sending, embedded signing, and public links.
  • REST API and self-hosting support automation and deployment control.
Cons
  • Free plan is limited to one user and five envelopes monthly
  • Unlimited envelopes and templates start at the Professional plan
  • Advanced automation features require the Enterprise plan
  • Signer verification is email OTP rather than SMS authentication.
  • Listed integrations are limited to Dropbox and Zapier.
  • Professional includes 100 monthly credits for paid workflows.
Our verdict

Zoho Sign is an electronic and digital signature platform for creating, sending, signing, managing, and tracking business documents. It supports configurable sequential and parallel signing workflows, reusable templates, audit trails,…

Read the review →

OpenSign is an open-source electronic-signature platform for individuals, teams, developers, and organizations that need to send, sign, store, and manage PDF documents. It supports drawn, typed, uploaded, and saved signatures, reusable…

Read the review →
  1. Zoho SignE-Signature Software 9.2Free plan · 14-day trial
  2. OpenSignE-Signature Software 5.0Free plan

Strengths and trade-offs

  • Zoho Sign — where it wins

    • Free plan includes audit trails and mobile and desktop apps
    • Supports sequential, parallel, bulk, and in-person signing workflows
    • REST APIs, webhooks, SDKs, and 10 listed integrations

    Where it doesn't

    • Free plan is limited to one user and five envelopes monthly
    • Unlimited envelopes and templates start at the Professional plan
    • Advanced automation features require the Enterprise plan

  • OpenSign — where it wins

    • Free plan includes unlimited e-signatures and completion certificates.
    • Supports templates, routing, bulk sending, embedded signing, and public links.
    • REST API and self-hosting support automation and deployment control.

    Where it doesn't

    • Signer verification is email OTP rather than SMS authentication.
    • Listed integrations are limited to Dropbox and Zapier.
    • Professional includes 100 monthly credits for paid workflows.

More comparisons

All E-Signature software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update