# CoolApp Cambodia vs Chakra STEM

The clearest difference is update cadence: CoolApp Cambodia at every 6 days against Chakra STEM's monthly. Chakra STEM's advantage is iOS requirement (13.0 vs 15.6). 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.

CoolApp Cambodia ships an update every 6 days, Chakra STEM monthly. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | CoolApp Cambodia | Chakra STEM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (387 ratings)](https://appshunter.io/ios/app/coolapp-cambodia/id1617434516/reviews)** | — |
| Number of ratings | **387** | — |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 days** | Monthly |
| Monetization | Free | — |
| Size | 239 MB | 57 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [COOLAPP CO.,LTD.](https://appshunter.io/developer/1471079098) | [Ministry of Environment Cambodia](https://appshunter.io/developer/1727580743) |

## What reviewers say

### CoolApp Cambodia

[App page](https://appshunter.io/ios/app/coolapp-cambodia/id1617434516)

Communicate securely with end-to-end encrypted messaging and calls. This app ensures your conversations are private, accessible only to you and your intended recipient. It offers a robust and private communication experience.

**Highlights:** End-to-end encryption, Secure messaging, Private calls, No data collection, Independent Signal fork

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Chakra STEM

[App page](https://appshunter.io/ios/app/chakra-stem/id6504170842)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CoolApp Cambodia free?

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

### Is Chakra STEM free?

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

### Do CoolApp Cambodia or Chakra STEM have ads?

Neither CoolApp Cambodia nor Chakra STEM shows ads.

### Which is updated more often, CoolApp Cambodia or Chakra STEM?

CoolApp Cambodia ships an update every 6 days, and Chakra STEM monthly. Most recently, CoolApp Cambodia was updated on October 16, 2026 and Chakra STEM on October 14, 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.*