# CHEMOU vs BUU APP

The clearest difference is update cadence: BUU APP at every 6 weeks against CHEMOU's every 3 months. CHEMOU's advantage is iOS requirement (13.0 vs 15.1). On price, ads, 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.

CHEMOU ships an update every 3 months, BUU APP every 6 weeks. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | CHEMOU | BUU APP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Size | 40 MB | 68 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chalit Chathirat](https://appshunter.io/developer/910858647) | [Krung Thai Bank](https://appshunter.io/developer/383583054) |

## What reviewers say

### CHEMOU

[App page](https://appshunter.io/ios/app/chemou/id1094568253)

**Features:** macOS Compatibility

**In-app purchases:** none


### BUU APP

[App page](https://appshunter.io/ios/app/buu-app/id1524607817)

**In-app purchases:** none


## Frequently asked questions

### Is CHEMOU free?

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

### Is BUU APP free?

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

### Do CHEMOU or BUU APP have ads?

Neither CHEMOU nor BUU APP shows ads.

### Which is updated more often, CHEMOU or BUU APP?

CHEMOU ships an update every 3 months, and BUU APP every 6 weeks. Most recently, CHEMOU was updated on October 26, 2026 and BUU APP on October 29, 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.*