# Japanese vs Fast

The clearest difference is in-app purchases: Japanese at none against Fast's 3. Japanese also leads on iOS requirement (12.1 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Fast sells 3 in-app purchases, starting at $4.99 per 7 days. Japanese asks for nothing beyond the download.

Japanese ships an update every 3 months, Fast every 5 months. Both last shipped on October 7, 2026.

## The numbers

| Metric | Japanese | Fast |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 months** | Every 5 months |
| Size | 37 MB | 24 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SHINGO MATSUO](https://appshunter.io/developer/1493414113) | [Atech Consultancy Ltd](https://appshunter.io/developer/1818884485) |

## What reviewers say

### Japanese

[App page](https://appshunter.io/ios/app/japanese-lao-languagebasic/id1554807410)

**Features:** macOS Compatibility

**In-app purchases:** none


### Fast

[App page](https://appshunter.io/ios/app/fast-speak-lao-language/id6737822232)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Access | $4.99 | per 7 days |
| Yearly Access | $29.99 | per year |
| Lifetime Access | $39.99 | one-time |


## Frequently asked questions

### Is Japanese free?

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

### Is Fast free?

Fast is free to download, with in-app purchases available.

### Do Japanese or Fast have ads?

Both Japanese and Fast show ads.

### Which is updated more often, Japanese or Fast?

Japanese ships an update every 3 months, and Fast every 5 months. Most recently, Japanese was updated on October 7, 2026 and Fast 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.*