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Best Autofill PDF Apps

249+ iOS apps curated and reviewed

4.8 avg rating
20 free apps
Updated October 2026

Looking for free autofill pdf apps? 20 of our 249+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Autofill PDF Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1pdfFiller: edit PDF documentspdfFiller: edit PDF documentsFree4.5★ (9.1K)NoYesOct 2026
2Fill and Sign: PDF form fillerFill and Sign: PDF form fillerFree4.8★ (170)YesYesOct 2026
3AutoFill PDF & eSignAutoFill PDF & eSignFree—NoYesAug 2026
4Acrobat Reader: PDF EditorAcrobat Reader: PDF EditorFree4.6★ (662K)NoYesOct 2026
5PDF Converter - Convert PhotoPDF Converter - Convert PhotoFree—YesYesMay 2026
6PDF Converter & PDF ScannerPDF Converter & PDF ScannerFree—YesYesAug 2026
7Atom PDF - OCR & Edit DocumentAtom PDF - OCR & Edit DocumentFree5.0★ (1)NoNoSep 2026
8PDFPress: Scanner & PDF EditorPDFPress: Scanner & PDF EditorFree—NoYesJun 2026

Top Picks for Autofill PDF

pdfFiller: edit PDF documents#1

pdfFiller: edit PDF documents by airSlate, Inc.

Scan, fill, sign,make pdf docs
Editor's Choice
💼 Business
4.5😞(9.1K ratings)
FreeIn-App Purchases
#48in Business
pdfFiller: edit PDF documents screenshot 1
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pdfFiller: edit PDF documents screenshot 6

This app transforms your device into a mobile office for managing PDF documents. Edit, eSign, and fill out forms, then share or export them. It offers secure storage and access to millions of templates, with offline capabilities.

What We Love

  • 👍 Easy to use
  • 🚀 Makes virtual work easy
  • 💡 Great customer service/support
  • 👍 Simple and organized
  • 👍 Helpful for PDF management

Room to Improve

  • 🐛 Buggy and glitchy
  • 💰 Expensive subscription
  • 🔒 Concerns about privacy and security
  • 🤥 Misleading/deceptive advertising
  • 🔒 Difficult to cancel subscription
  • 🐛 Issues with saving/exporting documents
Fill and Sign: PDF form filler#2

Fill and Sign: PDF form filler by Fillrr LLC

Edit documents, signature scan
Strong Contender
🔧 Utilities
4.8(170 ratings)
FreeAdsIn-App Purchases
Fill and Sign: PDF form filler screenshot 1
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Fill and Sign: PDF form filler screenshot 5
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Easily fill out and digitally sign any PDF document on your mobile device. Scan or import documents, use smart autofill for quick data entry, and add your signature to complete forms in seconds. Share finished files securely.

More Autofill PDF apps to explore

FAQ about Autofill PDF

What are the best autofill pdf apps for iPhone?
pdfFiller: edit PDF documents tops our autofill pdf apps ranking as of October 2026, with a 4.5-star average from 9.1K App Store ratings, and it's free to download.
Yes — 20 of the top autofill pdf apps we rank are free to download, including pdfFiller: edit PDF documents and Fill and Sign: PDF form filler.
pdfFiller: edit PDF documents has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 249+ autofill pdf apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.