# Mouka CEMS vs Nitty Gritty 4rex

The clearest difference is update cadence: Mouka CEMS at every 5 months against Nitty Gritty 4rex's every 36 months. Mouka CEMS also leads on iOS requirement (9.0 vs 11.0). 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.

Mouka CEMS ships an update every 5 months, Nitty Gritty 4rex every 36 months. The most recent releases landed on September 17, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | Mouka CEMS | Nitty Gritty 4rex |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 36 months |
| Size | 17 MB | 7 MB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Flutterwave Inc.](https://appshunter.io/developer/1192995167) | [Nittygritty Solutions Ltd](https://appshunter.io/developer/1569060896) |

## What reviewers say

### Mouka CEMS

[App page](https://appshunter.io/ios/app/mouka-cems/id1518236532)

**In-app purchases:** none


### Nitty Gritty 4rex

[App page](https://appshunter.io/ios/app/nitty-gritty-4rex/id1569060894)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mouka CEMS free?

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

### Is Nitty Gritty 4rex free?

Nitty Gritty 4rex is free to download, with no in-app purchases.

### Do Mouka CEMS or Nitty Gritty 4rex have ads?

Neither Mouka CEMS nor Nitty Gritty 4rex shows ads.

### Which is updated more often, Mouka CEMS or Nitty Gritty 4rex?

Mouka CEMS ships an update every 5 months, and Nitty Gritty 4rex every 36 months. Most recently, Mouka CEMS was updated on September 17, 2026 and Nitty Gritty 4rex on May 16, 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.*