# unTill Prime vs What'sRabbit

The clearest difference is update cadence: What'sRabbit at fortnightly against unTill Prime's every 4 months. What'sRabbit also leads on iOS requirement (13.0 vs 17.6). 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.

unTill Prime ships an update every 4 months, What'sRabbit fortnightly. The most recent releases landed on September 10, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | unTill Prime | What'sRabbit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Size | 90 MB | 46 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [unTill Software Development Group B.V.](https://appshunter.io/developer/1324938681) | [Rabbit BV](https://appshunter.io/developer/1626814456) |

## What reviewers say

### unTill Prime

[App page](https://appshunter.io/ios/app/untill-prime/id978346620)

**Features:** Vision Pro support

**In-app purchases:** none


### What'sRabbit

[App page](https://appshunter.io/ios/app/whatsrabbit/id1634214665)

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

**In-app purchases:** none


## Frequently asked questions

### Is unTill Prime free?

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

### Is What'sRabbit free?

What'sRabbit is free to download, with no in-app purchases.

### Do unTill Prime or What'sRabbit have ads?

Neither unTill Prime nor What'sRabbit shows ads.

### Which is updated more often, unTill Prime or What'sRabbit?

unTill Prime ships an update every 4 months, and What'sRabbit fortnightly. Most recently, unTill Prime was updated on September 10, 2026 and What'sRabbit on September 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*