Best PDF Signature Editor Apps

248+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated September 2026

Every iPhone needs a few good pdf signature editor apps. We benchmark 248+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top PDF Signature Editor Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Sign Documents - eSign PDFSign Documents - eSign PDFFree4.8★ (152)NoYesSep 2026
2Genius Sign: PDF doc signatureGenius Sign: PDF doc signatureFree4.9★ (12K)NoYesSep 2026
3NestDocs: PDF Editor&ConverterNestDocs: PDF Editor&ConverterFreeYesNoAug 2026
4PDF Editor - Read, Fill & EditPDF Editor - Read, Fill & EditFreeYesYesSep 2026
5PDF Reader: Edit & SignPDF Reader: Edit & SignFree5.0★ (1)YesYesSep 2026
6PDF Scanner Edit, Write & SignPDF Scanner Edit, Write & SignFree3.5★ (28)NoYesSep 2026
7PDF Viewer Pro: Scan & ConvertPDF Viewer Pro: Scan & ConvertFree4.2★ (9)YesYesSep 2026
8PDF Editor : PDF Reader,SignerPDF Editor : PDF Reader,SignerFree was $49.994.3★ (57)NoYesSep 2026

Top Picks for PDF Signature Editor

Sign Documents - eSign PDF#1

Sign Documents - eSign PDF by Julia Kucharska

Scan, Edit & Share! Scanner
Editor's Choice
📊 Productivity
4.8(152 ratings)
FreeIn-App Purchases
Sign Documents - eSign PDF screenshot 1
Sign Documents - eSign PDF screenshot 2
Sign Documents - eSign PDF screenshot 3
Sign Documents - eSign PDF screenshot 4

Easily sign and manage your documents with a built-in scanner. Digitize paper, add signatures and stamps, and share your finalized files. Supports various document types for a streamlined workflow.

Genius Sign: PDF doc signature#2

Genius Sign: PDF doc signature by The Grizzly Labs

Annotate, fill, send documents
Strong Contender
💼 Business
4.9😊(12K ratings)
FreeIn-App Purchases
Genius Sign: PDF doc signature screenshot 1
Genius Sign: PDF doc signature screenshot 2
Genius Sign: PDF doc signature screenshot 3
Genius Sign: PDF doc signature screenshot 4
Genius Sign: PDF doc signature screenshot 5
Genius Sign: PDF doc signature screenshot 6

Easily sign, date, and annotate documents directly on your device. Import files, add your signature by drawing or scanning, and insert text or dates. Save time with smart features that locate signature fields and repeat initials across pages.

What We Love

  • 🚀 Easy to use
  • 🚀 Convenient for signing documents on the go
  • 🚀 Integrates well with Genius Scan app
  • 👍 Clean and intuitive user interface
  • 🔒 Secure document handling
  • 💡 Useful feature to store multiple signatures

Room to Improve

  • 🐛 Occasional crashes or bugs after updates
  • 🐛 Issues with PDF document recognition and rendering
  • 💡 Needs more customization options for signatures (e.g., color, size)
  • 💡 Lack of ability to reorder or search through documents
  • 💡 Permanent placement of toolbar can obstruct content

More PDF Signature Editor apps to explore

FAQ about PDF Signature Editor

What are the best pdf signature editor apps for iPhone?
Sign Documents - eSign PDF tops our pdf signature editor 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 pdf signature editor apps we rank are free to download, including Sign Documents - eSign PDF and Genius Sign: PDF doc signature.
Sign Documents - eSign PDF has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 248+ pdf signature editor 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.