# Kaysone Self vs Fast

The clearest difference is in-app purchases: Kaysone Self at none against Fast's 3. Kaysone Self also leads on iOS requirement (11.0 vs 15.0). Fast's advantage is device support. On price there is nothing between them.

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

## The numbers

| Metric | Kaysone Self | Fast |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | Yes |
| Update frequency | — | Every 5 months |
| Size | 41 MB | 24 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sengxay XAYACHACK](https://appshunter.io/developer/1687522186) | [Atech Consultancy Ltd](https://appshunter.io/developer/1818884485) |

## What reviewers say

### Kaysone Self

[App page](https://appshunter.io/ios/app/kaysone-self-learning/id6449041005)

**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 Kaysone Self free?

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

### Is Fast free?

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

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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.*