Comparison

Lingua Sentence Builder vs Boki

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

Head to head
About

Lingua Sentence Builder

Features
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Experience a new way to learn languages with Lingua Sentence Builder! With intuitive puzzles where you complete sentences by tapping word tiles, you can naturally master grammar structures and improve your vocabulary. [Major Updates] - Expanded Language Support: Now supports 10 languages including English, Korean, Japanese, Vietnamese, Chinese, French, Spanish, German, Russian, and Italian! - Special Modes: Learn unique styles and dialects like 'Busan Dialect', 'Pangyo Dialect', and 'Urban Slang (English)' that you won't find in textbooks. - Mistake History: Automatically records your incorrect attempts by language, allowing you to review and master them anytime. - Detailed Explanations: Deepen your understanding with grammar and vocabulary explanations provided for sentences. [Core Features] - Interactive Puzzles: A gamified way to learn by arranging words in the correct order. - Native Audio TTS: Practice listening and pronunciation with high-quality audio for every sentence. - Smart Hints: Get intelligent suggestions when stuck to maintain your learning flow. - Instant Feedback: Visual effects celebrate your success and provide immediate correction. - Dark Mode: A comfortable UI designed for studying in any environment. - Global Interface: Fully localized for learners around the world. Download for free now and take your first step towards language mastery!

About

Boki

Features
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Boki๋Š” ๊ด€์‹ฌ ์žˆ๋Š” ์ฃผ์ œ๋กœ ์™ธ๊ตญ์–ด๋ฅผ ์Œ“๋Š” ํ•™์Šต ์•ฑ์ž…๋‹ˆ๋‹ค. ์Šคํฌ์ธ  ยท ์—ฌํ–‰ ยท ์ผ์ƒ์ฒ˜๋Ÿผ ์นดํ…Œ๊ณ ๋ฆฌ๋ฅผ ๊ณ ๋ฅด๋ฉด, ๊ทธ์— ๋งž์ถฐ ์˜ค๋Š˜์˜ ๋ฌธ์žฅ์ด ์—ด๋ ค์š”. ์ฃผ์ œ๋ฅผ ๋ฐ”๊พธ๋ฉด ์ƒˆ๋กœ์šด ๋ฌธ์žฅ์œผ๋กœ ์ด์–ด์„œ ๊ณต๋ถ€ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๋”ฐ๋ผ ์ฝ๊ณ  ์†Œ๋ฆฌ ๋‚ด์–ด ๋ณธ ๋’ค, ๊ฐ™์€ ๋ง๋กœ ๋ฌธ์žฅ์„ ์ง์ ‘ ๋งŒ๋“ค์–ด ๋ณด์„ธ์š”. ๋ชจ๋ฅด๋Š” ๋‹จ์–ด๋Š” ํ•™์Šต์ฑ…์— ๋ชจ์•„ ํ˜ผ์ž ๋ณต์Šตํ•˜๊ณ , ์•Œ๋ ค์ฃผ๊ธฐ์—์„œ๋Š” ๋‚ด ๋ง๋กœ ๋‹ค๋ฅธ ์‚ฌ๋žŒ์„ ๋„์šธ ์ˆ˜ ์žˆ์–ด์š”.

Screenshots

Lingua Sentence Builder4 screens
Boki4 screens

Verdict

The call

The clearest difference is iOS requirement: Lingua Sentence Builder at 13.0 against Boki's 15.5. On price, update cadence, ads and in-app purchases there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Lingua Sentence Builder ships an update every 2 days, Boki every 3 days. Both last shipped on September 10, 2026.

Scorecard1 real difference ยท 5 level
Lingua Sentence Builder versus Boki: the parameters behind the verdict, then further details
ParameterLingua Sentence BuilderBoki
PriceFreeFree
Update frequencyEvery 2 days โ€” betterEvery 3 days
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPod
Requires iOS13.0 โ€” better15.5
Further details โ€” not scored
Size25 MB108 MB
Age rating4+4+
DeveloperSeungtae KimSUYEOL KO

In-app purchases

None

Lingua Sentence Builder

No in-app purchases

None

Boki

No in-app purchases

Questions

Is Lingua Sentence Builder free?
Lingua Sentence Builder is free to download, with no in-app purchases.
Is Boki free?
Boki is free to download, with no in-app purchases.
Do Lingua Sentence Builder or Boki have ads?
Neither Lingua Sentence Builder nor Boki shows ads.
Which is updated more often, Lingua Sentence Builder or Boki?
Lingua Sentence Builder ships an update every 2 days, and Boki every 3 days. Most recently, Lingua Sentence Builder was updated on September 10, 2026 and Boki on September 10, 2026.

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