# Rex Time Switch vs Simple GMAO

The clearest difference is update cadence: Simple GMAO at every 3 months against Rex Time Switch's every 18 months. Rex Time Switch's advantage is iOS requirement (10.0 vs 15.1). 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.

Rex Time Switch ships an update every 18 months, Simple GMAO every 3 months. Both last shipped on September 14, 2026.

## The numbers

| Metric | Rex Time Switch | Simple GMAO |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 3 months** |
| Size | 77 MB | 55 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Legrand](https://appshunter.io/developer/357003650) | [FLORIAN CHRISTIAN DUFDURG](https://appshunter.io/developer/1618607892) |

## What reviewers say

### Rex Time Switch

[App page](https://appshunter.io/ios/app/rex-time-switch/id1509933102)

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple GMAO

[App page](https://appshunter.io/ios/app/simple-gmao/id1618607890)

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

**In-app purchases:** none


## Frequently asked questions

### Is Rex Time Switch free?

Rex Time Switch is free to download, with no in-app purchases.

### Is Simple GMAO free?

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

### Do Rex Time Switch or Simple GMAO have ads?

Neither Rex Time Switch nor Simple GMAO shows ads.

### Which is updated more often, Rex Time Switch or Simple GMAO?

Rex Time Switch ships an update every 18 months, and Simple GMAO every 3 months. Most recently, Rex Time Switch was updated on September 14, 2026 and Simple GMAO on September 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.*