Comparison

PDF AI vs Satr PDF

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

Head to head
About

PDF AI

Features
Read full description

PDF AI transforms any PDF into powerful study materials using advanced AI. Whether you're a student, researcher, or professional, PDF AI helps you understand documents faster and study smarter. CHAT WITH YOUR PDFs Ask any question about your PDF and get instant, accurate answers with page references. The AI understands context across your entire document, so you can have natural conversations about complex topics. AI STUDY TOOLS Generate comprehensive study materials from any PDF with a single tap: - Summary: Concise overview with key points and page citations - Detailed Summary: In-depth analysis with headings, data, and conclusions - Study Notes: Organized bullet-point notes with key concepts - Flashcards: Interactive Q&A cards for active recall practice - Quiz: Multiple-choice questions with explanations to test your knowledge - Glossary: Key terms and definitions extracted from the document - Key Insights: The most important findings and takeaways MULTI-LANGUAGE SUPPORT Generate all AI content in 10 languages: English, Turkish, Spanish, French, German, Arabic, Chinese, Japanese, Korean, and Portuguese. OCR TEXT EXTRACTION Extract text from scanned PDFs and image-based documents using Apple Vision framework. Works offline with high accuracy. MULTI-DOCUMENT WORKSPACE Create workspaces to chat across multiple PDFs simultaneously. Perfect for research projects, exam prep, or comparing documents. PDF & IMAGE TOOLS A complete toolkit for document management: - PDF to JPG, Merge PDFs, Split PDF, Compress PDF, Rotate PDF - Image conversion: HEIC, PNG, JPG, WebP - Image resize, Images to PDF, TXT to PDF PRIVACY FIRST Your PDF files stay on your device. When you use AI features, only the text needed for your request is sent securely for processing, and we don't store your documents. SUBSCRIPTION INFORMATION PDF AI Premium unlocks AI chat with your PDFs, all AI study tools, PDF editing and signing. Subscription auto-renews unless cancelled at least 24 hours before the end of the current period. Payment will be charged to your iTunes Account at confirmation of purchase. Privacy Policy: https://pdfaiapp.github.io/privacy Terms of Use: https://pdfaiapp.github.io/terms

About

Satr PDF

Features
Read full description

Satr PDF is a practical PDF editor designed for Arabic and English documents. Add text, images, signatures and drawings, then save or share a polished PDF copy directly from your iPhone or iPad. KEY FEATURES • Open PDF documents from the Files app • Add Arabic and English text • Choose text size, color, bold style and alignment • Edit, move or delete content you have added • Insert photos and scanned images • Add signatures and freehand drawings • Create new PDF documents • Undo and redo your changes • Save a PDF copy or share it with other apps • Simple interface designed for everyday document editing Satr PDF makes it easy to complete forms, add Arabic notes, sign documents, insert pictures and prepare PDFs without complicated desktop software. Download Satr PDF and handle your documents wherever you are.

Screenshots

PDF AI4 screens
Satr PDF4 screens

Verdict

The call

The clearest difference is in-app purchases: Satr PDF at none against PDF AI's 2. PDF AI's advantage is update cadence (every 3 days vs fortnightly). On price, ads, device support and iOS requirement 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. PDF AI sells 2 in-app purchases, starting at $4.99 per month. Satr PDF asks for nothing beyond the download.

UpkeepUpdate frequency

PDF AI ships an update every 3 days, Satr PDF fortnightly. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

Scorecard2 real differences Ā· 4 level
PDF AI versus Satr PDF: the parameters behind the verdict, then further details
ParameterPDF AISatr PDF
PriceFreeFree
Update frequencyEvery 3 days — betterFortnightly
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.0 — better17.6
Further details — not scored
Size34 MB15 MB
Age rating4+4+
DeveloperYusuf Omer EremWael Inaim

In-app purchases

2 purchases

PDF AI

Subscriptions2
  • Premium Monthly$4.991 Month
  • Premium Yearly$29.991 Year
None

Satr PDF

No in-app purchases

Questions

Is PDF AI free?
PDF AI is free to download, with in-app purchases available.
Is Satr PDF free?
Satr PDF is free to download, with no in-app purchases.
Do PDF AI or Satr PDF have ads?
Neither PDF AI nor Satr PDF shows ads.
Which is updated more often, PDF AI or Satr PDF?
PDF AI ships an update every 3 days, and Satr PDF fortnightly. Most recently, PDF AI was updated on October 31, 2026 and Satr PDF on October 25, 2026.

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