# RedbackINSTALL vs WatchAi

The clearest difference is update cadence: RedbackINSTALL at every 6 weeks against WatchAi's every 6 months. RedbackINSTALL also leads on iOS requirement (10.1 vs 12.0). 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.

RedbackINSTALL ships an update every 6 weeks, WatchAi every 6 months. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | RedbackINSTALL | WatchAi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 6 months |
| Size | 113 MB | 115 MB |
| Requires iOS | **10.1** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Redback Technologies](https://appshunter.io/developer/1070020850) | [POWERTEC TELECOMMUNICATIONS PTY LTD](https://appshunter.io/developer/1829422021) |

## What reviewers say

### RedbackINSTALL

[App page](https://appshunter.io/ios/app/redbackinstall/id1457916762)

**Features:** macOS Compatibility

**In-app purchases:** none


### WatchAi

[App page](https://appshunter.io/ios/app/watchai/id6749231518)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RedbackINSTALL free?

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

### Is WatchAi free?

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

### Do RedbackINSTALL or WatchAi have ads?

Neither RedbackINSTALL nor WatchAi shows ads.

### Which is updated more often, RedbackINSTALL or WatchAi?

RedbackINSTALL ships an update every 6 weeks, and WatchAi every 6 months. Most recently, RedbackINSTALL was updated on September 17, 2026 and WatchAi on September 9, 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.*