Comparison

Chat PDF Summary vs PDF AI

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Chat PDF Summary

Features
Read full description

PDF Summary AI: Chat PDF turns any document into answers, summaries, flashcards and quizzes โ€” with sources. Stop scrolling through long documents. Add a PDF, a Word file, a web link or a scan from your camera, and ask anything. Every answer cites the page it came from, so you can trust it. Get an instant TL;DR summary, study with flashcards and test yourself with a quiz. Built for students, researchers and busy professionals. CHAT WITH ANY DOCUMENT Ask questions in plain language and get precise answers with the exact page and passage. Chat with one file or with a whole folder at once. INSTANT SUMMARIES One tap gives you a title, a TL;DR, the key points and the takeaways of the entire document. FLASHCARDS AND QUIZZES 12 question-and-answer cards and an 8-question quiz with explanations, generated from your file. SMART TOOLS Highlights, insights, timeline, glossary, questions, outline and facts โ€” each in one tap. WORKS WITH EVERYTHING PDF, Word (.docx), text, Markdown and RTF files, web articles, and scanned or photographed pages (text is recognized on your device). FAST OR QUALITY Choose Fast for quick answers or Quality for our most capable AI on hard questions. PRIVATE BY DESIGN Your documents stay on your device. Only the text needed to answer your question is sent, encrypted, and never stored. CHAT PDF PLUS Chat PDF Plus is available as a weekly subscription with a 3-day free trial or as a yearly subscription. It unlocks unlimited documents, chats, summaries, flashcards, quizzes and Quality mode, subject to our fair use policy. Payment is charged to your Apple ID account at confirmation of purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. If you are looking for a pdf summary app, a chat pdf assistant, an AI summarizer or a TLDR tool for documents, this is the app for you. Privacy Policy: https://privacy.owltaps.com Terms of service: https://privacy.owltaps.com/terms

About

PDF AI

Features
Read full description

PDF AI transforms any PDF into powerful study materials using advanced AI. Whether you're a student, researcher, or professional, PDF AI helps you understand documents faster and study smarter. CHAT WITH YOUR PDFs Ask any question about your PDF and get instant, accurate answers with page references. The AI understands context across your entire document, so you can have natural conversations about complex topics. AI STUDY TOOLS Generate comprehensive study materials from any PDF with a single tap: - Summary: Concise overview with key points and page citations - Detailed Summary: In-depth analysis with headings, data, and conclusions - Study Notes: Organized bullet-point notes with key concepts - Flashcards: Interactive Q&A cards for active recall practice - Quiz: Multiple-choice questions with explanations to test your knowledge - Glossary: Key terms and definitions extracted from the document - Key Insights: The most important findings and takeaways MULTI-LANGUAGE SUPPORT Generate all AI content in 10 languages: English, Turkish, Spanish, French, German, Arabic, Chinese, Japanese, Korean, and Portuguese. OCR TEXT EXTRACTION Extract text from scanned PDFs and image-based documents using Apple Vision framework. Works offline with high accuracy. MULTI-DOCUMENT WORKSPACE Create workspaces to chat across multiple PDFs simultaneously. Perfect for research projects, exam prep, or comparing documents. PDF & IMAGE TOOLS A complete toolkit for document management: - PDF to JPG, Merge PDFs, Split PDF, Compress PDF, Rotate PDF - Image conversion: HEIC, PNG, JPG, WebP - Image resize, Images to PDF, TXT to PDF PRIVACY FIRST Your PDF files stay on your device. When you use AI features, only the text needed for your request is sent securely for processing, and we don't store your documents. SUBSCRIPTION INFORMATION PDF AI Premium unlocks AI chat with your PDFs, all AI study tools, PDF editing and signing. Subscription auto-renews unless cancelled at least 24 hours before the end of the current period. Payment will be charged to your iTunes Account at confirmation of purchase. Privacy Policy: https://pdfaiapp.github.io/privacy Terms of Use: https://pdfaiapp.github.io/terms

Screenshots

Chat PDF Summary4 screens
PDF AI4 screens

Verdict

The call

The clearest difference is update cadence: PDF AI at every 3 days against Chat PDF Summary's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Chat PDF Summary sells 6 in-app purchases, starting at $5.99 per 7 days and PDF AI sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Chat PDF Summary ships an update every 8 months, PDF AI every 3 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

Scorecard1 real difference ยท 5 level
Chat PDF Summary versus PDF AI: the parameters behind the verdict, then further details
ParameterChat PDF SummaryPDF AI
PriceFreeFree
Update frequencyEvery 8 monthsEvery 3 days โ€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad โ€” better
Requires iOS17.017.0
Further details โ€” not scored
Size9 MB34 MB
Age rating4+4+
DeveloperJose SaponYusuf Omer Erem

In-app purchases

6 purchases

Chat PDF Summary

Subscriptions2
  • Plus Weekly3 Days trial$5.997 Days
  • Plus Yearly$49.991 Year
One-time4
  • Premium Version$2.99
  • Small Credits Pack$4.99
  • Medium Credits Pack$6.99
Show 1 more
  • Large Credits Pack$8.99
2 purchases

PDF AI

Subscriptions2
  • Premium Monthly$4.991 Month
  • Premium Yearly$29.991 Year

Questions

Is Chat PDF Summary free?
Chat PDF Summary is free to download, with in-app purchases available.
Is PDF AI free?
PDF AI is free to download, with in-app purchases available.
Do Chat PDF Summary or PDF AI have ads?
Neither Chat PDF Summary nor PDF AI shows ads.
Which is updated more often, Chat PDF Summary or PDF AI?
Chat PDF Summary ships an update every 8 months, and PDF AI every 3 days. Most recently, Chat PDF Summary was updated on November 5, 2026 and PDF AI on October 31, 2026.

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