Comparison

Bulb vs Bookva

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

Head to head
About

Bulb

Read full description

Learn languages by reading real books and browsing websites. Tap any word for instant translation, build vocabulary from what you read, and improve your writing with AI feedback. Bulb is for people who want to learn through authentic content instead of gamified drills. Import EPUB books, browse foreign-language websites with built-in translation, and use AI feedback to improve your writing. === HOW IT WORKS === READ REAL BOOKS Import EPUB books in your target language. Tap any word for instant translation and pronunciation. Save words to your vocabulary as you read. Double-tap sentences for full context. Create bookmarks and highlights. BROWSE AND TRANSLATE WEBSITES Read news, articles, and blogs in your target language with built-in translation. Tap unfamiliar words for definitions. Save vocabulary while browsing. Practice with real-world content that interests you. BUILD VOCABULARY IN CONTEXT Every word you look up is saved with its original sentence. Review with spaced repetition flashcards generated from your reading. Practice translating sentences back and forth. Learn words as they are actually used. GET AI WRITING FEEDBACK Write essays, emails, or journal entries and receive detailed analysis of grammar, style, and vocabulary. See specific error patterns with visual charts. Get suggestions tailored to your level. Track your improvement over time. === WHO IT IS FOR === - Professionals improving business English or foreign-language writing for work - Students preparing for language exams with real reading and writing practice - Book lovers who want to read novels and nonfiction in other languages - Learners who prefer authentic content over artificial lessons and gamified drills === SUPPORTED LANGUAGES === English, Spanish, French, German, Chinese, Japanese, Italian, Portuguese, Russian, Korean, Arabic, Serbian === KEY FEATURES === - EPUB reader with tap-to-translate - Built-in web browser with instant translation - Automatic vocabulary capture with context - Spaced repetition flashcards - AI essay analysis with grammar, style, and vocabulary feedback - Writing progress tracking with visual charts - iCloud sync across all your iOS devices Built for focused reading, vocabulary, and writing practice without gamified drills. Requires internet connection for AI features and translation. Privacy Policy: https://thebulb.app/privacy Terms of Service: https://thebulb.app/terms

About

Bookva

Features
Read full description

Read. Tap. Learn. Repeat. Turn any text into a vocabulary lesson. Whether you're reading EPUB books or browsing the web, instantly look up words and remember them with a built-in spaced repetition system. Key Features - Read anywhere - Import EPUB files or read websites directly in the app. - One-tap word lookup - Tap any word to see translations, explanations, pronunciations, etc. Learn in context - Save words while reading so you remember how they’re actually used. - Spaced repetition system with flashcards and even writing. - Review words at the right time to move them into long-term memory. - Personal vocabulary list - Build your own word bank automatically as you read. - No switching apps, no interruptionsβ€”just seamless learning. Who it’s for - Language learners - Avid readers - Students and self-learners Stop memorizing random word lists. Start learning naturally while you read. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Bookva4 screens

Verdict

The call

The clearest difference is update cadence: Bulb at every 5 days against Bookva's monthly. Bookva'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. Bulb sells 3 in-app purchases, starting at $2.99 per 7 days and Bookva sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Bulb ships an update every 5 days, Bookva monthly. The most recent releases landed on September 10, 2026 and September 19, 2026 respectively.

Scorecard2 real differences Β· 4 level
Bulb versus Bookva: the parameters behind the verdict, then further details
ParameterBulbBookva
PriceFreeFree
Update frequencyEvery 5 days β€” betterMonthly
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS17.015.1 β€” better
Further details β€” not scored
Size40 MB49 MB
Age rating17+17+
DeveloperDanis GaiazovMatias Zapata

In-app purchases

3 purchases

Bulb

Subscriptions3
  • Premium Weekly$2.997 Days
  • Premium Monthly7 Days trial$6.991 Month
  • Premium Annual7 Days trial$49.991 Year
2 purchases

Bookva

Subscriptions2
  • Bookva Premium$2.991 Month
  • Bookva Premium Yearly$29.991 Year

Questions

Is Bulb free?
Bulb is free to download, with in-app purchases available.
Is Bookva free?
Bookva is free to download, with in-app purchases available.
Do Bulb or Bookva have ads?
Neither Bulb nor Bookva shows ads.
Which is updated more often, Bulb or Bookva?
Bulb ships an update every 5 days, and Bookva monthly. Most recently, Bulb was updated on September 10, 2026 and Bookva on September 19, 2026.

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