# Randomiser vs Prof Pref

The clearest difference is update cadence: Randomiser at every 6 weeks against Prof Pref's every 6 months. Randomiser also leads on iOS requirement (13.0 vs 15.0). 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.

Randomiser ships an update every 6 weeks, Prof Pref every 6 months. Both last shipped on October 9, 2026.

## The numbers

| Metric | Randomiser | Prof Pref |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 6 months |
| Size | 23 MB | 1 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Appier Inc](https://appshunter.io/developer/528203670) | [Vitaly Kulagin](https://appshunter.io/developer/1524623012) |

## What reviewers say

### Randomiser

[App page](https://appshunter.io/ios/app/randomiser/id1524501166)

**Features:** macOS Compatibility

**In-app purchases:** none


### Prof Pref

[App page](https://appshunter.io/ios/app/prof-pref/id1662598113)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Randomiser free?

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

### Is Prof Pref free?

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

### Do Randomiser or Prof Pref have ads?

Neither Randomiser nor Prof Pref shows ads.

### Which is updated more often, Randomiser or Prof Pref?

Randomiser ships an update every 6 weeks, and Prof Pref every 6 months. Most recently, Randomiser was updated on October 9, 2026 and Prof Pref on October 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.*