Best AI PDF Form Filler Apps

248+ iOS apps curated and reviewed

4.5 avg rating
19 free apps
Updated August 2026

Whether you're new to ai pdf form filler or looking for an upgrade, our curated collection of 248+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top AI PDF Form Filler Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1AI PDF Form FillerAI PDF Form FillerFree3.7★ (3)NoYesJul 2026
2Form Filler: fill & sign formsForm Filler: fill & sign formsFree4.6★ (32K)NoNoAug 2026
3Filler AI: Scan PDF, Fill FormFiller AI: Scan PDF, Fill Form$9.99NoJul 2026
4FormBuddy: AI Form FillerFormBuddy: AI Form FillerFree5.0★ (1)NoYesJul 2026
5Text to PDF: AI PDF CreatorText to PDF: AI PDF CreatorFreeNoYesMay 2026
6PDFelement: PDF Editor, ViewerPDFelement: PDF Editor, ViewerFree4.6★ (7.5K)YesYesAug 2026
7PDF Filler: Edit & SignPDF Filler: Edit & SignFree4.6★ (45)YesYesJul 2026
8PDF AI: Editor, Scanner, ChatPDF AI: Editor, Scanner, ChatFree was $14.994.8★ (128)YesYesAug 2026

Top Picks for AI PDF Form Filler

AI PDF Form Filler#1

AI PDF Form Filler by Blocktechnology OU

Editor's Choice
📊 Productivity
3.7(3 ratings)
FreeIn-App Purchases
AI PDF Form Filler screenshot 1
AI PDF Form Filler screenshot 2
AI PDF Form Filler screenshot 3
AI PDF Form Filler screenshot 4
AI PDF Form Filler screenshot 5
AI PDF Form Filler screenshot 6

This app uses AI to transform PDF forms into interactive question-and-answer interfaces or autofills them for you. It streamlines the process of filling out forms, contracts, and applications, allowing for easy signing and secure export of completed documents.

Form Filler: fill & sign forms#2

Form Filler: fill & sign forms by airSlate, Inc.

Create and Edit pdf documents
Strong Contender
📊 Productivity
4.6😐(32K ratings)
Free
Form Filler: fill & sign forms screenshot 1
Form Filler: fill & sign forms screenshot 2
Form Filler: fill & sign forms screenshot 3
Form Filler: fill & sign forms screenshot 4
Form Filler: fill & sign forms screenshot 5

Easily fill and sign PDF documents using a provided link or QR code. This advanced application streamlines the online form-filling process, saving you time and helping you go paperless.

What We Love

  • 👍 User-friendly and easy to use
  • 🚀 Convenient and time-saving
  • 💡 Helpful for managing documents
  • 🚀 Simplifies form filling process

Room to Improve

  • 🐛 Glitchy and buggy performance
  • 👎 Poor navigation and UI design
  • 🔍 Difficulty entering information accurately

More AI PDF Form Filler apps to explore

4
FormBuddy: AI Form Filler
FormBuddy: AI Form Filler
FormBuddy: AI Form Filler
Scan, Auto-Fill & E-sign Forms
Free

Streamline paperwork by scanning, uploading, or selecting forms from a vast library. Utilize AI to automatically detect document structure and intelligently fill fields via typing, voice, or an AI agent. Organize and securely store completed documents for easy retrieval and sharing.

Scan, upload, or select formsAI document structure detectionSmart fill with AI, keyboard, or voice
🔧 Utilities
(1)
freemium
5
Text to PDF: AI PDF Creator
Text to PDF: AI PDF Creator
Text to PDF: AI PDF Creator
Create and generate PDF files
Free
🔧 Utilities
(0)
6
PDFelement: PDF Editor, Viewer
PDFelement: PDF Editor, Viewer
PDFelement: PDF Editor, Viewer
Convert & Sign PDF, AI-powered
Free

This application offers comprehensive PDF management, including advanced editing, AI-powered summarization and translation, and efficient scanning with OCR. It helps organize, convert, and secure documents for work, study, and personal use.

AI Chat with PDFScan and OCRPDF to Office Conversion
📊 Productivity
(7.5K)
free with in-app purchases
7
PDF Filler: Edit & Sign
PDF Filler: Edit & Sign
PDF Filler: Edit & Sign
Write on PDF Form Filler
Free

Easily edit, fill, and sign PDF documents directly on your device. This all-in-one solution allows you to write on PDFs, add annotations, and secure your electronic signatures. Streamline your workflow for business, school, or personal projects.

Fill any PDF form quicklyWrite on PDF instantlySign PDF documents securely
📊 Productivity
(45)
free with in-app purchases
8
PDF AI: Editor, Scanner, Chat
PDF AI: Editor, Scanner, Chat
PDF AI: Editor, Scanner, Chat
Summarize, Translate & Sign
Free
$14.99 | 100% OFF

This application offers a comprehensive suite of AI-powered tools for managing PDF documents. Users can edit text and images, generate AI summaries, convert files to various formats, and securely sign documents. It prioritizes speed and privacy with local processing and encryption.

Edit PDF text and imagesAI-powered summaries and highlightsAnnotate and collaborate on documents
📊 Productivity
(128)
free with in-app purchases
9
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
10
PDF Reader, Editor & Scanner
PDF Reader, Editor & Scanner
PDF Reader, Editor & Scanner
Read,Edit PDF,Word,Excel,PPT
Free
💼 Business
(0)
11
LightPDF: AI Chat PDF, Scanner
LightPDF: AI Chat PDF, Scanner
LightPDF: AI Chat PDF, Scanner
Convert, Chat, Scan, OCR, Edit
Free

This app offers a comprehensive suite of tools for managing PDF documents on your mobile device. It leverages AI to summarize, chat with, and convert PDFs, along with scanning capabilities, text extraction, and editing features. It also includes an ID photo maker and watermark removal.

AI Chat with PDFsPhone Scanner to PDFPDF to Word/JPG/Excel Converter
📊 Productivity
(53)
free with in-app purchases
12
PDF Genius: AI PDF Editor
PDF Genius: AI PDF Editor
PDF Genius: AI PDF Editor
Edit PDF text, chat & sign
Free
📊 Productivity
(0)
13
AskYourPDF: PDF AI Assistant
AskYourPDF: PDF AI Assistant
AskYourPDF: PDF AI Assistant
Chat, Summarize & Analyze Docs
Free

Engage in intelligent conversations with your documents. Upload PDFs and other file types to extract insights, get answers, and understand content through AI-powered chat. Transform how you interact with information.

AI chat with documentsSupports PDF and Word filesExtracts insights and answers
📊 Productivity
(20)
free with in-app purchases
14
PDF AI: Reader & Scanner
PDF AI: Reader & Scanner
PDF AI: Reader & Scanner
Smart PDF AI Tools
Free
💼 Business
(0)
15
Minine PDF: Scan, Edit & AI
Minine PDF: Scan, Edit & AI
Minine PDF: Scan, Edit & AI
Chat, Sign, Merge, Convert
Free

This app offers a comprehensive suite of tools for managing PDF documents, including scanning, editing, signing, and converting files. It integrates AI features to summarize, chat with, and translate documents, streamlining complex tasks.

Scan documents with auto edge detectionConvert between PDF and imagesMerge, split, extract, and compress files
💼 Business
(6)
free with in-app purchases
16
SmartPDF: AI Scanner & Editor
SmartPDF: AI Scanner & Editor
SmartPDF: AI Scanner & Editor
SmartPDF: AI Scanner & Editor
Free
🔧 Utilities
(0)
17
PDF AI - Edit, Scan & Sign
PDF AI - Edit, Scan & Sign
PDF AI - Edit, Scan & Sign
by Thao Dang
Free

Streamline your document management with AI-powered tools. Scan, translate, summarize, edit, and sign PDFs on your iPhone. Perfect for daily workflows, this app offers a comprehensive solution for handling all your document needs efficiently.

AI PDF AssistantDocument TranslationText Summarization
🔧 Utilities
(3)
freemium
18
PDFly: AI Convert
PDFly: AI Convert
PDFly: AI Convert
Redefine your PDF world
Free

Streamline document management with AI-powered features. Effortlessly convert, merge, split, and enhance PDFs with intelligent formatting and text recognition. Enjoy a secure and fun way to boost your daily productivity.

AI PDF enhancementIntelligent formattingText recognition
🌟 Lifestyle
(3)
free
19
PDF Reader: converter, signer
PDF Reader: converter, signer
PDF Reader: converter, signer
convert to pdf:Pdf editor,sign
Free
💼 Business
(0)
20
Afirstsoft PDF:AI Chat PDFs
Afirstsoft PDF:AI Chat PDFs
Afirstsoft PDF:AI Chat PDFs
Edit, Scan and Convert Docs
Free

This application allows you to create, edit, and read PDF documents with AI-powered features. It offers OCR, scanning, annotation, merging, splitting, and conversion to various formats, all without watermarks.

AI-powered PDF summarization and Q&AOCR for converting scanned documents to editable textScan and create high-quality PDFs
📊 Productivity
(5)
free with in-app purchases

FAQ about AI PDF Form Filler

What are the best ai pdf form filler apps for iPhone?
AI PDF Form Filler tops our ai pdf form filler apps ranking as of August 2026, with a 3.7-star average from 3 App Store ratings, and it's free to download.
Yes — 19 of the top ai pdf form filler apps we rank are free to download, including AI PDF Form Filler and Form Filler: fill & sign forms.
AI PDF Form Filler has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 248+ ai pdf form filler apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
SimplicityAI is a productivity tool designed to simplify the process of filling out PDF forms. It uses artificial intelligence to convert PDF forms into interactive question-and-answer interfaces or to autofill them for you.
You upload a PDF form, and SimplicityAI's AI identifies fields, converting them into simple questions. You can then answer these questions or enable auto-fill to complete the form, after which you can sign and export it.