Comparison

Learn Sushi vs Onsei

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

Head to head
About

Learn Sushi

Features
Read full description

Learn how you call the sushi in both English and Japanese, using hiragana, katakana, romaji for Japanese ways of describing.The app looks like the touch panel at sushi restaurants. You can also learn how to pronounce the sushi in Japanese, just push each sushi, and you can hear how to pronounce it. Use this app to just simply enjoy sushi, or learn about sushi at sushi restaurants. There is also a mini game, Brain Train. Brain Train is an escape game. You can escape the room solving the puzzles.

About

Onsei

Features
Read full description

Onsei is a Japanese learning app designed for focused daily study. Build vocabulary and grammar with spaced repetition, clear review flows, native audio, and scenario-based practice that helps you turn study into real usage. Features: • Vocabulary and grammar review • Spaced repetition scheduling • Daily study sessions and progress tracking • Japanese audio playback • Optional account sync across devices • Scenario-based practice for everyday situations

Screenshots

Learn Sushi4 screens
Onsei3 screens

Verdict

The call

The clearest difference is in-app purchases: Onsei at none against Learn Sushi's 1. Learn Sushi's advantage is iOS requirement (6.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

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

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

Both are free to download. Learn Sushi sells 1 one-off in-app purchase. Onsei asks for nothing beyond the download.

UpkeepUpdate frequency

Learn Sushi ships an update fortnightly, Onsei every 10 days. The most recent releases landed on November 6, 2026 and November 9, 2026 respectively.

Scorecard2 real differences Ā· 4 level
Learn Sushi versus Onsei: the parameters behind the verdict, then further details
ParameterLearn SushiOnsei
PriceFreeFree
Update frequencyFortnightlyEvery 10 days — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPodiPhone, iPod
Requires iOS6.0 — better15.1
Further details — not scored
Size35 MB33 MB
Age rating4+12+
DeveloperKozo Terai鑫 陈

In-app purchases

1 purchases

Learn Sushi

One-time1
  • No Ads for Learn Sushi$0.99
None

Onsei

No in-app purchases

Questions

Is Learn Sushi free?
Learn Sushi is free to download, with in-app purchases available.
Is Onsei free?
Onsei is free to download, with no in-app purchases.
Do Learn Sushi or Onsei have ads?
Neither Learn Sushi nor Onsei shows ads.
Which is updated more often, Learn Sushi or Onsei?
Learn Sushi ships an update fortnightly, and Onsei every 10 days. Most recently, Learn Sushi was updated on November 6, 2026 and Onsei on November 9, 2026.

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