Onsei vs Twig
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Onsei
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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
Twig
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Twig 帮助你通过真实音频和视频进行精听训练与 Shadowing 跟读练习。 不再依赖枯燥教材，而是使用播客、访谈、课程、电影和视频等真实内容，在语境中提升听力、发音和表达能力。
Screenshots
Verdict
The clearest difference is iOS requirement: Onsei at 15.1 against Twig's 17.0. On price, update cadence, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Onsei ships an update every 10 days, Twig every 8 days. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.
| Parameter | Onsei | Twig |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 10 days | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 33 MB | 16 MB |
| Age rating | 12+ | 4+ |
| Developer | 鑫 陈 | 聪 陈 |
In-app purchases
Onsei
No in-app purchases
Twig
No in-app purchases
