Best PDF Signature Editor Apps

246+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated October 2026

Every iPhone needs a few good pdf signature editor apps. We benchmark 246+ 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 (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Genius Sign: PDF doc signatureGenius Sign: PDF doc signatureFree4.9★ (12K)NoYesOct 2026
2Sign Documents - eSign PDFSign Documents - eSign PDFFree4.8★ (152)NoYesOct 2026
3PDF Reader: Edit & SignPDF Reader: Edit & SignFree5.0★ (1)YesYesOct 2026
4Sign Documents PDF SignatureSign Documents PDF SignatureFree—NoYesAug 2026
5PDF Editor - Read, Fill & EditPDF Editor - Read, Fill & EditFree—YesYesOct 2026
6PDF Editor : PDF Reader,SignerPDF Editor : PDF Reader,SignerFree4.3★ (57)NoYesSep 2026
7PDF Converter: Sign & EditPDF Converter: Sign & EditFree—NoYesAug 2026
8PDF Gear - PDF Editor & ReaderPDF Gear - PDF Editor & ReaderFree4.7★ (8.7K)NoNoOct 2026

Top Picks for PDF Signature Editor

Genius Sign: PDF doc signature#1

Genius Sign: PDF doc signature by The Grizzly Labs

Annotate, fill, send documents
Editor's Choice
💼 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
PDF Reader: Edit & Sign#3

PDF Reader: Edit & Sign by Quynh Trang Pham Doan

Read, convert, sign PDF files
Worth Considering
🔧 Utilities
5.0(1 ratings)
FreeAdsIn-App Purchases
PDF Reader: Edit & Sign screenshot 1
PDF Reader: Edit & Sign screenshot 2
PDF Reader: Edit & Sign screenshot 3
PDF Reader: Edit & Sign screenshot 4

Easily manage your PDF files on your phone with tools for reading, editing, signing, and converting documents. Import files, use the camera, and access recent documents quickly. Convert various file types to PDF and perform essential PDF management tasks like merging and splitting.

More PDF Signature Editor apps to explore

FAQ about PDF Signature Editor

What are the best pdf signature editor apps for iPhone?
Genius Sign: PDF doc signature tops our pdf signature editor apps ranking as of October 2026, with a 4.9-star average from 12K 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 Genius Sign: PDF doc signature and Sign Documents - eSign PDF.
Genius Sign: PDF doc signature has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 246+ pdf signature editor apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.