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

ChatPDF AI

Summarize, quiz, translate

Employee Workforce Eco-System

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

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 9 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

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. Hessa AI asks for nothing beyond the download.

UpkeepUpdate frequency

ChatPDF AI ships an update every 9 days, Hessa AI every 3 weeks. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

Scorecard2 real differences · 4 level

ChatPDF AI versus Hessa AI: the parameters behind the verdict, then further details
Parameter	ChatPDF AI	Hessa AI
Price	Free	Free
Update frequency	Every 9 days — better	Every 3 weeks
Ads	No	No
In-app purchases	Yes	No — better
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.5	15.5
Further details — not scored
Size	100 MB	97 MB
Age rating	4+	4+
Developer	nimet oz	Muzamil 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 9 days, and Hessa AI every 3 weeks. Most recently, ChatPDF AI was updated on October 24, 2026 and Hessa AI on October 16, 2026.