Comparison

ReadAI Smart vs AI Book Reader

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

Head to head
About

ReadAI Smart

Features
Read full description

ReadAI is a smart book reader built for people who want more than just a reading app. Upload your own PDF, EPUB, and FB2 books, read in a clean and comfortable interface, and use AI tools right inside the book. Translate difficult passages, ask questions about what you are reading, listen to text and words, save useful quotes, and build your personal vocabulary as you go. ReadAI helps you stay inside the reading flow while understanding more, remembering more, and coming back to important parts later. Why readers choose ReadAI: β€’ Read your own books in PDF, EPUB, and FB2 β€’ Translate paragraphs and selected text instantly β€’ Ask AI questions about the book while you read β€’ Listen to text and vocabulary with audio support β€’ Save new words to your personal dictionary β€’ Review vocabulary with flashcards and associations β€’ Highlight quotes and keep notes in one place β€’ Search across your books and library β€’ Track reading progress and activity ReadAI is a great fit if you: β€’ Read in English or other languages β€’ Want to combine reading with vocabulary learning β€’ Need one app for reading, translation, and study β€’ Prefer listening to text when a passage feels difficult β€’ Want to save words, notes, and quotes without switching between apps Instead of jumping between an ebook reader, translator, dictionary, notes app, and AI assistant, you get everything in one focused reading experience. Use ReadAI to read with more confidence, understand more of every page, and turn everyday reading into steady learning. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

AI Book Reader

Features
Read full description

AI Book Reader is a full-featured EPUB reader with built-in AI. Open any EPUB book, highlight a word or passage, and a smart context menu appears β€” translate, explain, generate an illustration, or run any custom AI action you've created. Whether you're reading fiction, studying textbooks, learning a language, or exploring non-fiction β€” AI Book Reader gives you the tools to understand, visualize, and engage with every page like never before. HIGHLIGHT ANY TEXT β€” GET AI INSTANTLY Select any word, sentence, or paragraph and the AI context menu appears right away. No switching apps, no copy-pasting. The AI works directly inside your book. BUILT-IN AI ACTIONS β€’ Translate β€” instantly translate any passage to your language β€’ Explain β€” get a clear, simple explanation of complex text β€’ Illustrate β€” generate an image to bring a scene or character to life BUILD YOUR OWN AI ACTIONS This is where AI Book Reader goes beyond any other reader. Create completely custom AI actions tailored to your reading style β€” rewrite text in simpler language, identify all characters in a scene, generate study flashcards, write a critical analysis, or anything else you can think of. Your actions are saved and available in every book. Your first AI generation is free. Continued access to AI features requires a subscription. CLEAN READING EXPERIENCE β€’ Distraction-free interface designed for long reading sessions β€’ Adjustable font size, line spacing, and themes β€’ Full EPUB format support β€’ Reading progress saved automatically AI Book Reader is for curious readers, students, language learners, and anyone who wants more from the books they read. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

ReadAI Smart4 screens
AI Book Reader4 screens

Verdict

The call

The clearest difference is update cadence: ReadAI Smart at fortnightly against AI Book Reader's every 2 months. AI Book Reader's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement 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. ReadAI Smart sells 2 in-app purchases, starting at $6.99 per month and AI Book Reader sells 2 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

ReadAI Smart ships an update fortnightly, AI Book Reader every 2 months. Both last shipped on October 28, 2026.

Scorecard2 real differences Β· 4 level
ReadAI Smart versus AI Book Reader: the parameters behind the verdict, then further details
ParameterReadAI SmartAI Book Reader
PriceFreeFree
Update frequencyFortnightly β€” betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad, iPod β€” better
Requires iOS16.615.0 β€” better
Further details β€” not scored
Size55 MB40 MB
Age rating4+4+
DeveloperVladislav CondratievKanat Magdanov

In-app purchases

2 purchases

ReadAI Smart

Subscriptions2
  • Base Monthly$6.991 Month
  • Pro Yearly$49.991 Year
2 purchases

AI Book Reader

Subscriptions2
  • Weekly Premium$7.997 Days
  • Monthly Premium$29.991 Month

Questions

Is ReadAI Smart free?
ReadAI Smart is free to download, with in-app purchases available.
Is AI Book Reader free?
AI Book Reader is free to download, with in-app purchases available.
Do ReadAI Smart or AI Book Reader have ads?
Neither ReadAI Smart nor AI Book Reader shows ads.
Which is updated more often, ReadAI Smart or AI Book Reader?
ReadAI Smart ships an update fortnightly, and AI Book Reader every 2 months. Most recently, ReadAI Smart was updated on October 28, 2026 and AI Book Reader on October 28, 2026.

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