# CHEMOU vs AR สสวท. คณิต มัธยม

The clearest difference is update cadence: AR สสวท. คณิต มัธยม at every 6 weeks against CHEMOU's every 3 months. AR สสวท. คณิต มัธยม also leads on iOS requirement (11.0 vs 13.0). 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, AR สสวท. คณิต มัธยม every 6 weeks. The most recent releases landed on October 11, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | CHEMOU | AR สสวท. คณิต มัธยม |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Size | 40 MB | 379 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chalit Chathirat](https://appshunter.io/developer/910858647) | [The Institute for the Promotion of Teaching Science and Technology (IPST)](https://appshunter.io/developer/643591471) |

## What reviewers say

### CHEMOU

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

**Features:** macOS Compatibility

**In-app purchases:** none


### AR สสวท. คณิต มัธยม

[App page](https://appshunter.io/ios/app/ar/id1451078089)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CHEMOU free?

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

### Is AR สสวท. คณิต มัธยม free?

AR สสวท. คณิต มัธยม is free to download, with no in-app purchases.

### Do CHEMOU or AR สสวท. คณิต มัธยม have ads?

Neither CHEMOU nor AR สสวท. คณิต มัธยม shows ads.

### Which is updated more often, CHEMOU or AR สสวท. คณิต มัธยม?

CHEMOU ships an update every 3 months, and AR สสวท. คณิต มัธยม every 6 weeks. Most recently, CHEMOU was updated on October 11, 2026 and AR สสวท. คณิต มัธยม on October 2, 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.*