# Master Thai Numbers! vs NihongoShadow

The clearest difference is ads: NihongoShadow at none against Master Thai Numbers!'s shown. NihongoShadow also leads on update cadence (every 2 days vs every 11 months) and iOS requirement (15.1 vs 17.0). On price, in-app purchases and device support there is nothing between them.

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

Master Thai Numbers! ships an update every 11 months, NihongoShadow every 2 days. The most recent releases landed on June 23, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Master Thai Numbers! | NihongoShadow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 11 months | **Every 2 days** |
| Size | 9 MB | 37 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [hiromu izuwa](https://appshunter.io/developer/599721911) | [MIKIO MOCHIZUKI](https://appshunter.io/developer/6790101638) |

## What reviewers say

### Master Thai Numbers!

[App page](https://appshunter.io/ios/app/master-thai-numbers/id978218233)

**Features:** macOS Compatibility

**In-app purchases:** none


### NihongoShadow

[App page](https://appshunter.io/ios/app/nihongoshadow/id6790101636)

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

**In-app purchases:** none


## Frequently asked questions

### Is Master Thai Numbers! free?

Master Thai Numbers! is free to download, with no in-app purchases.

### Is NihongoShadow free?

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

### Do Master Thai Numbers! or NihongoShadow have ads?

Master Thai Numbers! shows ads; NihongoShadow does not.

### Which is updated more often, Master Thai Numbers! or NihongoShadow?

Master Thai Numbers! ships an update every 11 months, and NihongoShadow every 2 days. Most recently, Master Thai Numbers! was updated on June 23, 2026 and NihongoShadow on October 12, 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.*