Comparison

ChatPDF AI vs AI PDF Translator

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

Head to head

ChatPDF AI

Summarize, quiz, translate

Translate PDFs in 12 languages

Free

📊 Productivity

No ratingsView app →

About

ChatPDF AI

Features

Read full description

Ask a question. Get answers from your document. Clear summaries for papers, reports and study notes. Upload a PDF, DOCX, PPTX or photo. Ask questions in your own words, get a summary, then turn what you read into study material. • Create quizzes and flashcards from your documents. • Ask AI to explain charts, tables and visuals. • Import PDFs, Word files, slides and photos. Some features and higher usage limits require a ChatPDF Pro subscription. Privacy Policy: https://sauceai.vercel.app/privacy Terms of Service: https://sauceai.vercel.app/tos

About

AI PDF Translator

Features

Read full description

AI PDF Translator helps you read PDFs, translate selected text, highlight important passages, and generate page Study Packs with summaries, review cards, mastery progress, and Anki/Quizlet-ready TSV export on iPad. Choose from 12 target languages including Spanish, Japanese, Arabic, Turkish, English, German, French, Italian, Portuguese, Russian, Chinese, and Korean. Import documents, study articles, run an in-app review drill, and keep your PDF reading workflow clear.

Screenshots

ChatPDF AI4 screens

AI PDF Translator4 screens

Verdict

The call

ChatPDF AI and AI PDF Translator are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ChatPDF AI sells 5 in-app purchases, starting at $4.99 per 7 days and AI PDF Translator sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 9 days. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

ScorecardNo meaningful differences

ChatPDF AI versus AI PDF Translator: the parameters behind the verdict, then further details
Parameter	ChatPDF AI	AI PDF Translator
Price	Free	Free
Update frequency	Every 9 days	Every 9 days
Ads	No	No
In-app purchases	Yes	Yes
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.5	15.0 — better
Further details — not scored
Size	100 MB	59 MB
Age rating	4+	4+
Developer	nimet oz	UENAL TUTAY

In-app purchases

5 purchases

ChatPDF AI

Subscriptions5

Weekly Pro$4.997 Days
Weekly Pro$6.997 Days
Monthly Pro$19.991 Month

Show 2 more

Yearly Pro$44.991 Year
Yearly Pro$89.991 Year

3 purchases

AI PDF Translator

One-time3

500 Translation Credits$1.99
2000 Translation Credits$5.99
7500 Translation Credits$14.99

Questions

Is ChatPDF AI free?

ChatPDF AI is free to download, with in-app purchases available.

Is AI PDF Translator free?

AI PDF Translator is free to download, with in-app purchases available.

Do ChatPDF AI or AI PDF Translator have ads?

Neither ChatPDF AI nor AI PDF Translator shows ads.

Which is updated more often, ChatPDF AI or AI PDF Translator?

ChatPDF AI ships an update every 9 days, and AI PDF Translator every 9 days. Most recently, ChatPDF AI was updated on October 28, 2026 and AI PDF Translator on October 24, 2026.