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)
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.
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
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.
Are there free pdf signature editor apps for iPhone?
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.
Does Sign Documents - eSign PDF have ads or in-app purchases?
Sign Documents - eSign PDF has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
How many pdf signature editor apps are on the App Store?
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.
What document formats can I sign with Sign Documents?
Sign Documents supports a wide range of formats, including PDF, DOC, and XLS, allowing you to sign virtually any document you receive.
How does the scanning feature work in Sign Documents?
The app includes a built-in scanner that digitizes paper documents, turning them into editable files that you can then sign and share.