Comparison

ChatPDF vs Chat PDF Summary

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

Head to head
About

ChatPDF

Features
Read full description

ChatPDF transforms your documents into intelligent conversations. Upload any PDF and instantly chat with your contentβ€”ask questions, get summaries, and extract key insights in seconds. Whether you're a student tackling research papers or a professional analyzing reports, ChatPDF makes complex documents simple. UNDERSTAND ANY DOCUMENT INSTANTLY β†’ Ask questions in natural language and receive accurate, contextual answers β†’ Generate comprehensive summaries of lengthy PDFs with one tap β†’ Extract key points, definitions, and insights automatically β†’ Works with textbooks, research papers, contracts, reports, and more YOUR AI-POWERED STUDY COMPANION Students love ChatPDF for exam preparation. Upload lecture notes, textbooks, or study guides and let AI explain difficult concepts, highlight important information, and quiz you on the material. Save hours of reading time and study smarter, not harder. PERFECT FOR β†’ Students: Understand research papers, summarize textbooks, prepare for exams β†’ Researchers: Speed up literature reviews, extract findings across papers β†’ Professionals: Analyze contracts, review reports, extract insights fast β†’ Anyone: Turn any PDF into clear, actionable knowledge WHY CHATPDF? Powered by advanced AI that truly understands your documents. Get accurate answers with context, not generic responses. Your documents stay private and secureβ€”we prioritize your data protection. FEATURES AT A GLANCE β†’ Instant PDF summaries β†’ Natural language Q&A β†’ Multi-language support β†’ Lightning-fast responses β†’ Clean, intuitive interface β†’ Up to 500 pages per PDF on the Yearly plan (200 on Weekly) β†’ Quizzes and flashcards from your PDFs β†’ Works with PDFs that have selectable text (scans and photos aren't supported) SUBSCRIPTION OPTIONS ChatPDF Pro unlocks all features: β€’ Weekly or Yearly, each with a 3-day free trial for eligible new subscribers β€’ Prices in your currency are shown in the app before you buy Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. Manage subscriptions in Settings > Apple ID > Subscriptions. Download ChatPDF today and revolutionize how you work with documents. Privacy: https://chatpdf.berkcan.dev/privacy Terms: https://chatpdf.berkcan.dev/terms

About

Chat PDF Summary

Features
Read full description

PDF Summary AI: Chat PDF turns any document into answers, summaries, flashcards and quizzes β€” 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 β€” 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

Screenshots

ChatPDF3 screens
Chat PDF Summary4 screens

Verdict

The call

The clearest difference is update cadence: ChatPDF at daily 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 Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. ChatPDF sells 3 in-app purchases, starting at $4.99 per 7 days and Chat PDF Summary sells 6 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

ChatPDF ships an update daily, Chat PDF Summary every 8 months. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

Scorecard1 real difference Β· 5 level
ChatPDF versus Chat PDF Summary: the parameters behind the verdict, then further details
ParameterChatPDFChat PDF Summary
PriceFreeFree
Update frequencyDaily β€” betterEvery 8 months
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone
Requires iOS16.0 β€” better17.0
Further details β€” not scored
Size15 MB9 MB
Age rating4+4+
DeveloperBERKCAN ARSLANJose Sapon

In-app purchases

3 purchases

ChatPDF

Subscriptions3
  • ChatPDF Weekly Subscription3 Days trial$4.997 Days
  • ChatPDF Monthly Subscription$9.991 Month
  • ChatPDF Yearly Subscription3 Days trial$59.991 Year
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

Questions

Is ChatPDF free?
ChatPDF is free to download, with in-app purchases available.
Is Chat PDF Summary free?
Chat PDF Summary is free to download, with in-app purchases available.
Do ChatPDF or Chat PDF Summary have ads?
Neither ChatPDF nor Chat PDF Summary shows ads.
Which is updated more often, ChatPDF or Chat PDF Summary?
ChatPDF ships an update daily, and Chat PDF Summary every 8 months. Most recently, ChatPDF was updated on October 30, 2026 and Chat PDF Summary on November 5, 2026.

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