# KAS Portal vs Chakra STEM

The clearest difference is iOS requirement: Chakra STEM at 13.0 against KAS Portal's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KAS Portal ships an update every 2 months, Chakra STEM monthly. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | KAS Portal | Chakra STEM |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 77 MB | 57 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [MINISTRY OF ECONOMY AND FINANCE](https://appshunter.io/developer/1507079609) | [Ministry of Environment Cambodia](https://appshunter.io/developer/1727580743) |

## What reviewers say

### KAS Portal

[App page](https://appshunter.io/ios/app/kas-portal/id1662421665)

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

**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 KAS Portal free?

KAS Portal 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 KAS Portal or Chakra STEM have ads?

Neither KAS Portal nor Chakra STEM shows ads.

### Which is updated more often, KAS Portal or Chakra STEM?

KAS Portal ships an update every 2 months, and Chakra STEM monthly. Most recently, KAS Portal was updated on October 8, 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.*