# ChekMate vs PrismalOS

The clearest difference is update cadence: ChekMate at every 2 months against PrismalOS's every 22 months. PrismalOS's advantage is iOS requirement (14.0 vs 16.0). On price 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.

ChekMate ships an update every 2 months, PrismalOS every 22 months. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ChekMate | PrismalOS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | **Every 2 months** | Every 22 months |
| Size | 27 MB | 5 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | **iPhone** | — |
| Age rating | 4+ | 4+ |
| Developer | [Teknei](https://appshunter.io/developer/1483972444) | [Fermin Suarez](https://appshunter.io/developer/1714618222) |

## What reviewers say

### ChekMate

[App page](https://appshunter.io/ios/app/chekmate/id6464878305)

**Features:** macOS Compatibility

**In-app purchases:** none


### PrismalOS

[App page](https://appshunter.io/ios/app/prismalos/id6470997808)

**In-app purchases:** none


## Frequently asked questions

### Is ChekMate free?

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

### Is PrismalOS free?

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

### Which is updated more often, ChekMate or PrismalOS?

ChekMate ships an update every 2 months, and PrismalOS every 22 months. Most recently, ChekMate was updated on October 7, 2026 and PrismalOS on October 24, 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.*