# SousyoConverter byNSDev vs Kyujitai

The clearest difference is iOS requirement: SousyoConverter byNSDev at 12.0 against Kyujitai's 15.0. On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SousyoConverter byNSDev ships an update every 2 months, Kyujitai every 3 months. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | SousyoConverter byNSDev | Kyujitai |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 17 MB | 1 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NIHON SYSTEM DEVELOPER CORPORATION](https://appshunter.io/developer/1198103734) | [Emmanuel Ternon](https://appshunter.io/developer/1415038866) |

## What reviewers say

### SousyoConverter byNSDev

[App page](https://appshunter.io/ios/app/sousyoconverter-bynsdev/id1198103735)

Convert Kanji characters into cursive script using a brush font. Customize text size, placement, and ratios for unique calligraphy. Request features and provide feedback for future updates.

**Highlights:** Kanji to cursive script conversion, Brush font style, Adjustable text size, Customizable placement, Ratio adjustment

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Kyujitai

[App page](https://appshunter.io/ios/app/kyujitai/id1415038867)

Easily convert Japanese text between Shinjitai and Kyūjitai character sets. This utility leverages an open-source Python library for accurate conversions.

**Highlights:** Shinjitai to Kyūjitai conversion, Kyūjitai to Shinjitai conversion, Based on open-source library, Supports iPhone, iPad, iPod

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is SousyoConverter byNSDev free?

SousyoConverter byNSDev is free to download, with no in-app purchases.

### Is Kyujitai free?

Kyujitai is free to download, with no in-app purchases.

### Do SousyoConverter byNSDev or Kyujitai have ads?

Neither SousyoConverter byNSDev nor Kyujitai shows ads.

### Which is updated more often, SousyoConverter byNSDev or Kyujitai?

SousyoConverter byNSDev ships an update every 2 months, and Kyujitai every 3 months. Most recently, SousyoConverter byNSDev was updated on October 9, 2026 and Kyujitai on October 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*