# RFME CET vs WhipUnity

The clearest difference is update cadence: WhipUnity at weekly against RFME CET's every 3 weeks. RFME CET's advantage is iOS requirement (13.0 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.

RFME CET ships an update every 3 weeks, WhipUnity weekly. The most recent releases landed on October 14, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | RFME CET | WhipUnity |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Size | 7 MB | 49 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bocadil Infinite, S.L.](https://appshunter.io/developer/1255556638) | [WhipUnity SL](https://appshunter.io/developer/6801583285) |

## What reviewers say

### RFME CET

[App page](https://appshunter.io/ios/app/rfme-cet/id1557218964)

**Features:** macOS Compatibility

**In-app purchases:** none


### WhipUnity

[App page](https://appshunter.io/ios/app/whipunity/id6801583283)

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

**In-app purchases:** none


## Frequently asked questions

### Is RFME CET free?

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

### Is WhipUnity free?

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

### Do RFME CET or WhipUnity have ads?

Neither RFME CET nor WhipUnity shows ads.

### Which is updated more often, RFME CET or WhipUnity?

RFME CET ships an update every 3 weeks, and WhipUnity weekly. Most recently, RFME CET was updated on October 14, 2026 and WhipUnity on September 30, 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.*