# LearnSousyo byNSDev — Let's learn sousyo!

> Let's learn sousyo! (iPhone/iPad app by NIHON SYSTEM DEVELOPER CORPORATION.)

- Source: https://appshunter.io/ios/app/learnsousyo-bynsdev/id1255122571 (this page in markdown: same URL + `.md`)
- Developer: [NIHON SYSTEM DEVELOPER CORPORATION](https://appshunter.io/developer/1198103734)
- Category: Education, Reference
- Price: Free
- Age rating: 4+
- Requires: iOS 12.0 · 41 MB
- Languages: American English, Japanese
- Released: 2017-07-05
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/learnsousyo-bynsdev/id1255122571/reviews.md

## What is LearnSousyo byNSDev?

*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, ○ 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


## Version history (last 5 releases)

### 1.0.8 — 2021-12-03

Fixed a bug in the incorrect answer problem
iOS 15 compatible

### 1.0.7 — 2021-07-06

Rebuild for iOS14

### 1.0.6 — 2020-10-26

Adjusting the internal library

### 1.0.5 — 2018-04-24

Rebuild for iPhoneX

### 1.0.4 — 2018-04-04

It alleviates problems not activated depending on the model.
If you do not start up, please take a moment to report the model you are using.

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## More apps by NIHON SYSTEM DEVELOPER CORPORATION

- [SousyoConverter byNSDev](https://appshunter.io/ios/app/sousyoconverter-bynsdev/id1198103735)
- [GyousyoConverter byNSDev](https://appshunter.io/ios/app/gyousyoconverter-bynsdev/id1203329285)
- [ReisyoConverter byNSDev](https://appshunter.io/ios/app/reisyoconverter-bynsdev/id1204297496)
- [MouhitsuConverter byNSDev](https://appshunter.io/ios/app/mouhitsuconverter-bynsdev/id1204694373)
- [AreaCalculator byNSDev](https://appshunter.io/ios/app/areacalculator-bynsdev/id1214895582)
- [KanjiSousyoQuiz byNSDev](https://appshunter.io/ios/app/kanjisousyoquiz-bynsdev/id1224634517)

All apps by NIHON SYSTEM DEVELOPER CORPORATION: https://appshunter.io/developer/1198103734

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-05-17.*