# RCETs vs HR Duo Dock

The clearest difference is iOS requirement: RCETs at 12.0 against HR Duo Dock's 15.6. 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.

Both ship on a similar rhythm, roughly monthly. Both last shipped on October 27, 2026.

## The numbers

| Metric | RCETs | HR Duo Dock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 16 MB | 67 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Irish Greyhound Board](https://appshunter.io/developer/664659977) | [HRDuo](https://appshunter.io/developer/1459226150) |

## What reviewers say

### RCETs

[App page](https://appshunter.io/ios/app/rcets/id1545899379)

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

**In-app purchases:** none


### HR Duo Dock

[App page](https://appshunter.io/ios/app/hr-duo-dock/id1620534568)

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

**In-app purchases:** none


## Frequently asked questions

### Is RCETs free?

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

### Is HR Duo Dock free?

HR Duo Dock is free to download, with no in-app purchases.

### Do RCETs or HR Duo Dock have ads?

Neither RCETs nor HR Duo Dock shows ads.

### Which is updated more often, RCETs or HR Duo Dock?

RCETs ships an update monthly, and HR Duo Dock monthly. Most recently, RCETs was updated on October 27, 2026 and HR Duo Dock on October 27, 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.*