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Best Autofill PDF Apps

249+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated August 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 (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1pdfFiller: edit PDF documentspdfFiller: edit PDF documentsFree4.4★ (8.5K)NoYesSep 2026
2Acrobat Reader: PDF EditorAcrobat Reader: PDF EditorFree4.6★ (649K)NoYesSep 2026
3Fill and Sign: PDF form fillerFill and Sign: PDF form fillerFree4.7★ (97)YesYesSep 2026
4AutoFill PDF & eSignAutoFill PDF & eSignFree—NoYesAug 2026
5PDF Converter - Convert PhotoPDF Converter - Convert PhotoFree—YesYesMay 2026
6PDF Fill & Sign. Editor FillerPDF Fill & Sign. Editor FillerFree4.6★ (6.5K)NoYesSep 2026
7PDF Reader: Edit & SignPDF Reader: Edit & SignFree5.0★ (1)YesYesSep 2026
8PDF Reader: Edit & OCR ScanPDF Reader: Edit & OCR ScanFree3.0★ (5)YesYesSep 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
4.4😞(8.5K ratings)
FreeIn-App Purchases
#56in Business
pdfFiller: edit PDF documents screenshot 1
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pdfFiller: edit PDF documents screenshot 5
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

Room to Improve

  • 🐛 Buggy and glitchy
  • 💰 Expensive subscription
  • 🔒 Concerns about privacy and security
Acrobat Reader: PDF Editor#2

Acrobat Reader: PDF Editor by Adobe Inc.

Documents Converter & Signer
Strong Contender
💼 Business
4.6😞(649K ratings)
FreeIn-App Purchases
#2in Business
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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
Fill and Sign: PDF form filler#3

Fill and Sign: PDF form filler by Fillrr LLC

Edit documents, signature scan
Worth Considering
🔧 Utilities
4.7(97 ratings)
FreeAdsIn-App Purchases
Fill and Sign: PDF form filler screenshot 1
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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 August 2026, with a 4.4-star average from 8.5K 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 Acrobat Reader: PDF Editor.
pdfFiller: edit PDF documents has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 249+ autofill pdf apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app allows you to edit any PDF document, including contracts, invoices, and tax forms. You can also eSign documents, fill out fillable forms, highlight content, erase sensitive information, and add various annotations like text and images.
You can easily share documents with others via email, link, or text message, and set permissions for viewing, editing, or signing. The app also allows you to print, fax, and save documents in Word, Excel, and PowerPoint formats.