Comparison

EhYo vs Sink In

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

Head to head
About

EhYo

Features
Read full description

EhYo:專屬你的語言大腦|每天 5 分鐘,流利很輕鬆 學了多年語言,卻怕久沒用就忘光? EhYo 專為忙碌的你設計,用大腦科學的方式,讓你輕鬆維持多國語言能力。 為你個人化打造的系統,讓你的語言能力不再只是「學過」,而是「會用」。 15+ 種語言支援! 每天五分鐘,流利很輕鬆~ 核心功能特色: 個人化資源:結合興趣,為你送上最適合的學習資源。 寫作教練:不止文法改錯,還會提供你更道地的表達方式。 智慧複習:除了單字、文法之外,整個系統基於遺忘曲線設計,目標就是幫你把所有看過的內容轉化為長期記憶。 大腦視覺化進度:直觀追蹤你的大腦成長,看見每一天的進步跡象。 適合對象: 忙碌的上班族、熱愛旅遊的玩家,或是任何想保持語言敏銳度、不想被厚重課本淹沒的學習者。 馬上下載,找回你的流利感! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Sink In

Learn languages by transforming any text into interactive lessons. Analyze vocabulary, grammar, tone, and sentence structure. Practice with spaced repetition, quizzes, and timed challenges.

Highlights
  • Screenshot and paste text for lessons
  • On-device text recognition
  • Vocabulary, grammar, tone analysis
  • Spaced repetition review
  • Quiz and timed challenge modes
  • Cross-device learning history sync
Features
Read full description

Sink In is a language-learning app that turns text you paste or screenshot into a lesson. INPUT Paste text directly, or screenshot it for automatic text recognition. Recognition happens on-device, and screenshots are never uploaded. LESSON BREAKDOWN Each passage is broken into four angles: vocabulary, grammar rules, tone and register, and full sentence structure. REVIEW & PRACTICE Built-in spaced repetition brings back what you saved on a schedule. Also includes quiz mode and a timed challenge. HEAR IT Every saved line can be played aloud in a native neural voice, in all 14 languages. Spanish and Portuguese offer regional accents. SUPPORTED LANGUAGES Learn any of 14: Traditional Mandarin, English, French, Japanese, Korean, German, Spanish, Portuguese, Russian, Dutch, Arabic, Vietnamese, Indonesian, Tagalog. Study up to two at a time. ACCOUNT Supports Sign in with Apple and Sign in with Google, with learning history synced across devices.

Screenshots

EhYo4 screens
Sink In4 screens

Verdict

The call

The clearest difference is in-app purchases: Sink In at none against EhYo's 3. EhYo's advantage is update cadence (weekly vs every 2 weeks) and iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. EhYo sells 3 in-app purchases, starting at $2.99 per 7 days. Sink In asks for nothing beyond the download.

UpkeepUpdate frequency

EhYo ships an update weekly, Sink In every 2 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
EhYo versus Sink In: the parameters behind the verdict, then further details
ParameterEhYoSink In
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyWeekly — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.1
Further details — not scored
Size74 MB39 MB
Age rating4+4+
DeveloperJO CHING CHANGSyuan Yu Siao

In-app purchases

3 purchases

EhYo

Subscriptions3
  • Weekly$2.997 Days
  • Monthly – Early Bird Plan$5.001 Month
  • Annual – Early Bird Plan$49.991 Year
None

Sink In

No in-app purchases

Questions

Is EhYo free?
EhYo is free to download, with in-app purchases available.
Is Sink In free?
Sink In is free to download, with no in-app purchases.
Do EhYo or Sink In have ads?
Neither EhYo nor Sink In shows ads.
Which is updated more often, EhYo or Sink In?
EhYo ships an update weekly, and Sink In every 2 weeks. Most recently, EhYo was updated on October 25, 2026 and Sink In on October 24, 2026.

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