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)NoYesAug 2026
2Acrobat Reader: PDF EditorAcrobat Reader: PDF EditorFree4.7★ (641K)NoYesAug 2026
3Fill and Sign: PDF form fillerFill and Sign: PDF form fillerFree4.7★ (97)YesYesJul 2026
4AutoFill PDF & eSignAutoFill PDF & eSignFreeNoYesAug 2026
5PDF Converter - Convert PhotoPDF Converter - Convert PhotoFreeYesYesMay 2026
6PDF Fill & Sign. Editor FillerPDF Fill & Sign. Editor FillerFree4.6★ (6.5K)NoYesAug 2026
7PDF Reader: Edit & SignPDF Reader: Edit & SignFree5.0★ (1)YesNoAug 2026
8PDF Reader: Edit & OCR ScanPDF Reader: Edit & OCR ScanFree3.0★ (3)YesYesAug 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
#59in Business
pdfFiller: edit PDF documents screenshot 1
pdfFiller: edit PDF documents screenshot 2
pdfFiller: edit PDF documents screenshot 3
pdfFiller: edit PDF documents screenshot 4
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 SYSTEMS SOFTWARE IRELAND LIMITED

Documents Editor & Converter
Strong Contender
💼 Business
4.7😞(641K ratings)
FreeIn-App Purchases
#2in Business
Acrobat Reader: PDF Editor screenshot 1
Acrobat Reader: PDF Editor screenshot 2
Acrobat Reader: PDF Editor screenshot 3
Acrobat Reader: PDF Editor screenshot 4
Acrobat Reader: PDF Editor screenshot 5
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
Fill and Sign: PDF form filler screenshot 2
Fill and Sign: PDF form filler screenshot 3
Fill and Sign: PDF form filler screenshot 4
Fill and Sign: PDF form filler screenshot 5
Fill and Sign: PDF form filler screenshot 6

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

4
AutoFill PDF & eSign
AutoFill PDF & eSign
AutoFill PDF & eSign
Fill Forms & Remote eSign
Free
💼 Business
(0)
5
PDF Converter - Convert Photo
PDF Converter - Convert Photo
PDF Converter - Convert Photo
Document Maker from Image
Free
🔧 Utilities
(0)
6
PDF Fill & Sign. Editor Filler
PDF Fill & Sign. Editor Filler
PDF Fill & Sign. Editor Filler
Document Reader and Signer
Free

Streamline document management with this app. Easily sign, fill, edit, and share PDFs on the go. Say goodbye to printers and scanners and embrace digital productivity.

Scan documentsE-sign documentsFill out forms
💼 Business
(6.5K)
subscription
7
PDF Reader: Edit & Sign
PDF Reader: Edit & Sign
PDF Reader: Edit & Sign
Read, convert, sign PDF files
Free

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.

Sign documentsAdd text to PDFsHighlight and underline content
🔧 Utilities
(1)
ad-supported
8
PDF Reader: Edit & OCR Scan
PDF Reader: Edit & OCR Scan
PDF Reader: Edit & OCR Scan
Sign, annotate & convert files
Free

Easily scan, read, edit, and manage PDF documents on your iPhone and iPad. Convert images to PDF, extract text with OCR, and sign your documents. Organize files with merging, splitting, and password protection.

Scan documents with cameraConvert photos to PDFExtract text with OCR
📊 Productivity
(3)
free with in-app purchases
9
PDF Pro - Reader Editor Forms
PDF Pro - Reader Editor Forms
PDF Pro - Reader Editor Forms
Edit, annotate, view documents
Free

Edit, annotate, and read PDF documents on your iPhone and iPad. Highlight text, add notes, shapes, voice recordings, and photos. Search your entire PDF library, fill out forms, and sign documents.

Edit and annotate PDFsHighlight text and add notesEmbed audio and photo annotations
📊 Productivity
(6.9K)
subscription
10
PDF Reader, Editor & Scanner
PDF Reader, Editor & Scanner
PDF Reader, Editor & Scanner
Read,Edit PDF,Word,Excel,PPT
Free
💼 Business
(0)
11
Scanner PDF: Scan & Edit
Scanner PDF: Scan & Edit
Scanner PDF: Scan & Edit
Scan, Edit & Sign PDFs
Free
📊 Productivity
(0)
12
DocuDone: PDF Editor & Sign
DocuDone: PDF Editor & Sign
DocuDone: PDF Editor & Sign
ID Scanner & Photo Converter
Free
🔧 Utilities
(0)
13
FileForge: PDF Toolkit
FileForge: PDF Toolkit
FileForge: PDF Toolkit
Toolkit for PDF & photos
Free
📊 Productivity
(0)
14
PDF Converter:Scanner & Reader
PDF Converter:Scanner & Reader
PDF Converter:Scanner & Reader
Photos to PDF maker & Scan doc
Free
💼 Business
(0)
15
PDF Tools Merge & Compress
PDF Tools Merge & Compress
PDF Tools Merge & Compress
Split, Extract, Edit Offline
Free
📊 Productivity
(0)
16
PDF Converter & PDF Scanner
PDF Converter & PDF Scanner
PDF Converter & PDF Scanner
Convert image to PDF, Scan doc
Free

Easily convert images and scanned documents into high-quality PDFs. This app offers a powerful toolkit to merge, split, and compress PDFs, with smart scanning and secure file handling.

Fast image to PDF conversionPowerful PDF toolkit (merge, split, compress)Smart scanner with auto edge detection
💼 Business
(0)
free with in-app purchases
17
PDF Gear - PDF Editor & Reader
PDF Gear - PDF Editor & Reader
PDF Gear - PDF Editor & Reader
PDF Converter, Sign Documents
Free

This app offers a comprehensive suite of tools for managing PDF documents on mobile devices. Users can easily view, annotate, edit pages, fill out forms, and digitally sign documents. It provides a free and unlimited experience for all its powerful PDF manipulation features.

View and print PDFsAnnotate with highlights, text, and drawingsOrganize pages (add, delete, rotate, extract)
💼 Business
(8.3K)
free
18
evPDF: 16-in-1 PDF Tools
evPDF: 16-in-1 PDF Tools
evPDF: 16-in-1 PDF Tools
Reader, Scanner, OCR & Sign
Free
🔧 Utilities
(0)
19
PDF Viewer by Nutrient
PDF Viewer by Nutrient
PDF Viewer by Nutrient
Fill Forms, Sign, Edit, Redact
Free

Easily view, search, and annotate PDF documents on your iPhone and iPad. Import files from cloud services, fill out forms, add signatures, and organize your documents. Advanced features like redaction and combining documents are available with a Pro subscription.

View and search PDFsAnnotate with highlights and notesSign documents digitally
📊 Productivity
(9.1K)
freemium
20
Auto PDF: AI OCR Scan Edit
Auto PDF: AI OCR Scan Edit
Auto PDF: AI OCR Scan Edit
Light & simple PDF maker
Free

Transform your phone into a portable scanner and editor. Quickly convert images to PDFs, merge or split documents, and extract text from photos using advanced OCR. Share your files instantly via email or social media.

Intelligent Scan and ConvertImage to PDF creationMerge and split PDFs
🔧 Utilities
(293)
ad-supported

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.