Comparison

Chat PDF Summary vs PDFai

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

PDFai

Features
Read full description

PDFai turns any PDF into a conversation. Open a document, ask a question and get a clear answer or a bullet-point summary in seconds. Then convert it to Word, sign it, merge it or compress it, all in one app. CHAT WITH YOUR PDF โ€ข Ask questions about contracts, reports, lecture notes and research papers โ€ข Get short bullet-point summaries of long documents โ€ข Ask about a photo or screenshot, too โ€ข Answers come in the language you write in CONVERT โ€ข PDF to Word (.docx) and Excel (.xlsx), built from the document's text โ€ข PDF to images (PNG) and HTML โ€ข Photos and images to PDF, text or HTML to PDF ORGANIZE & PROTECT โ€ข Merge several PDFs into one, split out a page range, compress large files โ€ข Draw your signature and place it on any page โ€ข Add a password (AES-256) or remove one you know โ€ข OCR: pull the text out of scanned PDFs OPEN FROM ANYWHERE โ€ข Open PDFs from the Files app, iCloud Drive and Google Drive PDFai PRO AI chat and signing are part of PDFai Pro. Pro also unlocks unlimited merge, split, compress, OCR and password tools and removes ads. Converting PDFs and creating PDFs from photos is free. Subscriptions (weekly, monthly or yearly) are charged to your Apple ID and 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. Terms of Use (EULA): https://kolekciapps.com/pdfai-terms Privacy Policy: https://kolekciapps.com/pdfai-privacy โ€”โ€”โ€” Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://kolekciapps.com/privacy

Screenshots

Chat PDF Summary4 screens
PDFai4 screens

Verdict

The call

The clearest difference is ads: Chat PDF Summary at none against PDFai's shown. PDFai's advantage is update cadence (fortnightly vs every 8 months) and device support (3 vs 1). On price and in-app purchases 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 PDFai sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Chat PDF Summary ships an update every 8 months, PDFai fortnightly. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

Scorecard4 real differences ยท 2 level
Chat PDF Summary versus PDFai: the parameters behind the verdict, then further details
ParameterChat PDF SummaryPDFai
PriceFreeFree
Update frequencyEvery 8 monthsFortnightly โ€” better
AdsNo โ€” betterYes
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad, iPod โ€” better
Requires iOS17.015.5 โ€” better
Further details โ€” not scored
Size9 MB96 MB
Age rating4+4+
DeveloperJose SaponKolekciApps LLC

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
3 purchases

PDFai

Subscriptions3
  • Weekly$4.997 Days
  • Monthly$12.991 Month
  • Yearly$99.991 Year

Questions

Is Chat PDF Summary free?
Chat PDF Summary is free to download, with in-app purchases available.
Is PDFai free?
PDFai is free to download, with in-app purchases available.
Do Chat PDF Summary or PDFai have ads?
PDFai shows ads; Chat PDF Summary does not.
Which is updated more often, Chat PDF Summary or PDFai?
Chat PDF Summary ships an update every 8 months, and PDFai fortnightly. Most recently, Chat PDF Summary was updated on November 5, 2026 and PDFai on November 10, 2026.

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