Comparison

ChatPDF AI vs Hessa AI

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

Head to head
About

ChatPDF AI

Features
Read full description

Turn PDFs and documents into clear answers, summaries, and study materials. Upload a PDF, DOCX, PPTX, or photo and ask questions in natural language. ChatPDF helps you understand long documents without reading every page. KEY FEATURES • Ask questions about any document • Get concise summaries and key points • Create quizzes and flashcards • Translate full documents • Scan paper pages with OCR • Understand text, charts, tables, and images • Compare multiple documents • Export notes, summaries, and highlights • Use voice input for hands-free questions Built for students, researchers, professionals, and anyone who works with long files. Turn lecture notes into a quiz, review a research paper, understand a report, or find an answer inside a document in seconds. Privacy Policy: https://sauceai.vercel.app/privacy Terms of Service: https://sauceai.vercel.app/tos

About

Hessa AI

Features
Read full description

Hessa AI is a next-generation, AI-powered Human Resource Management System (HRMS) designed to transform how organisations manage their most valuable asset which is, their people. Built with cutting-edge technology and a deep understanding of modern workplace challenges, Hessa AI delivers a comprehensive, secure, and intelligent platform that streamlines HR operations, enhances employee engagement, and provides actionable insights for strategic decision-making.

Screenshots

ChatPDF AI4 screens
Hessa AI4 screens

Verdict

The call

The clearest difference is in-app purchases: Hessa AI at none against ChatPDF AI's 5. ChatPDF AI's advantage is update cadence (every 8 days vs every 3 weeks) and iOS requirement (12.0 vs 15.5). On price, ads and device support there is nothing between them.

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

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

Both are free to download. ChatPDF AI sells 5 in-app purchases, starting at $4.99 per 7 days. Hessa AI asks for nothing beyond the download.

UpkeepUpdate frequency

ChatPDF AI ships an update every 8 days, Hessa AI every 3 weeks. The most recent releases landed on September 10, 2026 and June 3, 2026 respectively.

Scorecard3 real differences Ā· 3 level
ChatPDF AI versus Hessa AI: the parameters behind the verdict, then further details
ParameterChatPDF AIHessa AI
PriceFreeFree
Update frequencyEvery 8 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.5
Further details — not scored
Size134 MB83 MB
Age rating4+4+
Developernimet ozMuzamil Ahmed

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
None

Hessa AI

No in-app purchases

Questions

Is ChatPDF AI free?
ChatPDF AI is free to download, with in-app purchases available.
Is Hessa AI free?
Hessa AI is free to download, with no in-app purchases.
Do ChatPDF AI or Hessa AI have ads?
Neither ChatPDF AI nor Hessa AI shows ads.
Which is updated more often, ChatPDF AI or Hessa AI?
ChatPDF AI ships an update every 8 days, and Hessa AI every 3 weeks. Most recently, ChatPDF AI was updated on September 10, 2026 and Hessa AI on June 3, 2026.

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