Comparison

TheChat vs PDF AI

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

Head to head
About

TheChat

Features
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Welcome to TheChat – The Ultimate AI Super-app! Access the power of the world’s best AIs in one easy-to-use app. With TheChat, you can chat with top AI models like ChatGPT, Gemini, Claude, Perplexity, and more – all in one seamless interface. All features are available in one place for easy access and productivity. Whether you're looking for smart answers, writing help, coding support, or creative inspiration – TheChat has everything you need. --- Key Features ---- - Multi-AI Access – All-in-One Switch easily between popular AI platforms like ChatGPT, Gemini, Claude, Perplexity, and others. No more downloading multiple apps! - Chat with AI Agents Choose from a variety of smart AI agents designed for different tasks – productivity, creative writing, idea generation, conversation, and more. - AI Image Generation Describe anything – and let AI turn your words into beautiful images! Great for content creation, design ideas, or just fun. - Smart & Fast AI Conversations Ask questions, get instant answers, generate ideas, solve problems, or just have fun chatting with intelligent AI. - Share Responses with One Tap Export and share your AI chats, images, and content across apps, social media, or messaging platforms. - Clean & Powerful UI Enjoy a smooth, responsive interface designed to give you fast access to multiple AIs – perfect for both beginners and power users. - Why Choose TheChat? Access top AIs in one place (ChatGPT, Gemini, Claude, Perplexity, etc.) Generate AI images instantly. Chat with task-focused AI agents. Save time and storage – no need for multiple apps. Simple, sleek, and optimized design.

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

Screenshots

TheChat4 screens
PDF AI4 screens

Verdict

The call

The clearest difference is update cadence: PDF AI at every 3 days against TheChat's every 4 weeks. TheChat's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

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

Both are free to download. TheChat sells 2 one-off in-app purchases and PDF AI sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

TheChat ships an update every 4 weeks, PDF AI every 3 days. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.

Scorecard2 real differences Β· 4 level
TheChat versus PDF AI: the parameters behind the verdict, then further details
ParameterTheChatPDF AI
PriceFreeFree
Update frequencyEvery 4 weeksEvery 3 days β€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS15.1 β€” better17.0
Further details β€” not scored
Size64 MB34 MB
Age rating12+4+
DeveloperPintube LtdYusuf Omer Erem

In-app purchases

2 purchases

TheChat

One-time2
  • TheChat Credits$4.99
  • TheChat Credit$9.99
2 purchases

PDF AI

Subscriptions2
  • Premium Monthly$4.991 Month
  • Premium Yearly$29.991 Year

Questions

Is TheChat free?
TheChat is free to download, with in-app purchases available.
Is PDF AI free?
PDF AI is free to download, with in-app purchases available.
Do TheChat or PDF AI have ads?
Neither TheChat nor PDF AI shows ads.
Which is updated more often, TheChat or PDF AI?
TheChat ships an update every 4 weeks, and PDF AI every 3 days. Most recently, TheChat was updated on October 25, 2026 and PDF AI on October 14, 2026.

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