LearnSousyo byNSDev vs Yoki
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
LearnSousyo byNSDev
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*Overview An application to remember sousyo. There are up to 16 levels. After testing in All mode, we will iterate learning repeatedly in incorrect answer mode. Finally you can check if you learned completely in challenge mode. Those which you could not memorize are remembered in incorrect problem mode. *How to use *All mode The questions are presented in the same order every time. Please tap the same kanji as above Sousyo. It is 4 choices. In case of correct answer, β is displayed. In case of incorrect answer, X is displayed. To move to the next problem please tap Next button. *Incorrect mode Questions that were incorrect and unanswered is displayed. When the problem which was incorrect at the end and the problem of unanswered are gone, the level of the menu becomes (Comp.) and the challenge mode becomes possible. *Challenge mode The questions are presented in order of random. You can learn with a challenge only at the completion level and the perfect level. If you answer all questions correctly, the level will be (Perfect) and learning will end. If you make a mistake in a single question, the level of the menu will be (R:x), and you must use the challenge mode unless you answer in incorrect mode. *About the menu Level 1 (R:100) It means that there are 100 questions remaining unresolved problems and unanswered questions. Level 1 (Comp.) It means that all correct answers were made in all or incorrect mode. Level 1 (Perfect) It means that everything was correct in challenge mode. If you want to learn again, you can learn by initializing the level from the [Change State] menu. Please post your request reviews. It corresponds as much as possible. Cursive letters are those that were created using the Kouzan brush sousyo font. http://opentype.jp/kouzansousho.htm
Yoki
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This app provides a careful introduction to variant kana, making it accessible even for beginners. Through game-like exercises based on classical waka poetry, you can learn both the form and pronunciation of historical kana naturally. - Dedicated font reduces variation and ensures consistent learning - Smooth and responsive interface for stress-free practice - Collect the kana you learn to track your progress - Accuracy indicators highlight challenging characters for targeted review - Includes approximately 300 variant kana Explore the beauty of classical Japanese writing while gradually deepening your knowledge of variant kana.
Screenshots
Verdict
The clearest difference is ads: LearnSousyo byNSDev at none against Yoki's shown. LearnSousyo byNSDev also leads on iOS requirement (12.0 vs 15.6). Yoki's advantage is update cadence (every 9 days vs every 7 months). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
LearnSousyo byNSDev ships an update every 7 months, Yoki every 9 days. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.
| Parameter | LearnSousyo byNSDev | Yoki |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 7 months | Every 9 days β better |
| Ads | No β better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod β better | iPhone, iPod |
| Requires iOS | 12.0 β better | 15.6 |
| Further details β not scored | ||
| Size | 41 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | NIHON SYSTEM DEVELOPER CORPORATION | Hidenori Ishiii |
In-app purchases
LearnSousyo byNSDev
No in-app purchases
Yoki
No in-app purchases
Questions
Is LearnSousyo byNSDev free?
Is Yoki free?
Do LearnSousyo byNSDev or Yoki have ads?
Which is updated more often, LearnSousyo byNSDev or Yoki?
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