# Crassus vs UWS WaterBoy

The clearest difference is update cadence: UWS WaterBoy at every 3 weeks against Crassus's every 15 months. 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.

Crassus ships an update every 15 months, UWS WaterBoy every 3 weeks. The most recent releases landed on October 26, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Crassus | UWS WaterBoy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 weeks** |
| Size | 76 MB | 31 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Crassus GmbH & Co. KG](https://appshunter.io/developer/1475104093) | [UWS Technologie GmbH](https://appshunter.io/developer/1796564865) |

## What reviewers say

### Crassus

[App page](https://appshunter.io/ios/app/crassus/id538410244)

**Features:** macOS Compatibility

**In-app purchases:** none


### UWS WaterBoy

[App page](https://appshunter.io/ios/app/uws-waterboy/id6742050402)

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

**In-app purchases:** none


## Frequently asked questions

### Is Crassus free?

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

### Is UWS WaterBoy free?

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

### Do Crassus or UWS WaterBoy have ads?

Neither Crassus nor UWS WaterBoy shows ads.

### Which is updated more often, Crassus or UWS WaterBoy?

Crassus ships an update every 15 months, and UWS WaterBoy every 3 weeks. Most recently, Crassus was updated on October 26, 2026 and UWS WaterBoy on October 5, 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.*