Best Firma Digital Gratis Apps

249+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated September 2026

Sign Documents is the household name in firma digital gratis, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Firma Digital Gratis Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Sign Documents - eSign PDFSign Documents - eSign PDFFree4.8★ (152)NoYesSep 2026
2Acrobat Reader: PDF EditorAcrobat Reader: PDF EditorFree4.6★ (651K)NoYesSep 2026
3e Signature Scanner, Sign PDFe Signature Scanner, Sign PDFFree4.6★ (2K)NoYesSep 2026
4SignNow: e-Signature appSignNow: e-Signature appFree4.5★ (18K)NoYesSep 2026
5Docusign - Upload & Sign DocsDocusign - Upload & Sign DocsFree4.9★ (827K)NoYesSep 2026
6Form Filler: fill & sign formsForm Filler: fill & sign formsFree4.6★ (32K)NoNoSep 2026
7Sign Documents - AutoSignSign Documents - AutoSignFreeNoYesMay 2026
8Signeasy: Sign PDF DocumentsSigneasy: Sign PDF DocumentsFree4.9★ (34K)NoYesSep 2026

Top Picks for Firma Digital Gratis

Acrobat Reader: PDF Editor#2

Acrobat Reader: PDF Editor by Adobe Inc.

Documents Converter & Signer
Strong Contender
💼 Business
4.6😞(651K ratings)
FreeIn-App Purchases
#2in Business
Acrobat Reader: PDF Editor screenshot 1
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Acrobat Reader: PDF Editor screenshot 3
Acrobat Reader: PDF Editor screenshot 4
Acrobat Reader: PDF Editor screenshot 5
Acrobat Reader: PDF Editor screenshot 6

This app is a powerful PDF tool for viewing, editing, annotating, and signing documents. It offers AI-powered features for summarizing and interacting with PDFs, along with robust conversion and security options. Collaborate on files and access your documents from anywhere.

What We Love

  • 🚀 Fast and efficient
  • 🔒 Secure document storage
  • 👍 Convenient for reading and annotating PDFs
  • 👍 Useful for students and professionals

Room to Improve

  • 🐛 Buggy and unreliable
  • 🔒 Overly intrusive login requirements
  • 💰 Expensive subscription model
  • 👎 Counterintuitive user interface changes
  • 🔍 Poor search and organization features
e Signature Scanner, Sign PDF#3

e Signature Scanner, Sign PDF by Profuse

Electronic Document Signer App
Worth Considering
💼 Business
4.6😐(2K ratings)
FreeIn-App Purchases
e Signature Scanner, Sign PDF screenshot 1
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e Signature Scanner, Sign PDF screenshot 6

Capture your handwritten signature from paper using your phone's camera. The app automatically cleans and refines it for a professional, transparent digital signature to use on PDFs and other documents. Sign contracts, invoices, and agreements quickly and securely.

What We Love

  • 👍 Easy to use
  • 🚀 Efficient signature creation
  • 💡 Convenient for on-the-go signing
  • 🔒 Secure signature storage
  • 👍 User-friendly interface

Room to Improve

  • 🐛 Signature not appearing in documents
  • 🐛 Signature quality issues (faint, thin)
  • 💰 Expensive subscription
  • 🔒 Concerns about unauthorized charges

More Firma Digital Gratis apps to explore

FAQ about Firma Digital Gratis

What are the best firma digital gratis apps for iPhone?
Sign Documents - eSign PDF tops our firma digital gratis apps ranking as of September 2026, with a 4.8-star average from 152 App Store ratings, and it's free to download.
Yes — 20 of the top firma digital gratis apps we rank are free to download, including Sign Documents - eSign PDF and Acrobat Reader: PDF Editor.
Sign Documents - eSign PDF has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 249+ firma digital gratis apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
Sign Documents supports a wide range of formats, including PDF, DOC, and XLS, allowing you to sign virtually any document you receive.
The app includes a built-in scanner that digitizes paper documents, turning them into editable files that you can then sign and share.