# Clean Sport vs CSX

The clearest difference is update cadence: CSX at every 2 months against Clean Sport's every 13 months. CSX also leads on iOS requirement (16.6 vs 18.0). 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.

Clean Sport ships an update every 13 months, CSX every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Clean Sport | CSX |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 42 MB | 34 MB |
| Requires iOS | 18.0 | **16.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 12+ |
| Developer | [UK Anti-Doping](https://appshunter.io/developer/842611829) | [HITIQ LIMITED](https://appshunter.io/developer/1436244946) |

## What reviewers say

### Clean Sport

[App page](https://appshunter.io/ios/app/clean-sport/id842611826)

This app offers UK athletes up-to-date anti-doping information and advice tailored to their National Governing Body. It provides urgent alerts, allows medication logging for doping control, and keeps users informed with the latest anti-doping news.

**Highlights:** Anti-doping information and advice, Urgent alerts via notifications, Medication logging for doping control, UKAD Twitter feed integration, NGB-specific information

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

**In-app purchases:** none


### CSX

[App page](https://appshunter.io/ios/app/csx/id1460484546)

**In-app purchases:** none


## Frequently asked questions

### Is Clean Sport free?

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

### Is CSX free?

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

### Do Clean Sport or CSX have ads?

Neither Clean Sport nor CSX shows ads.

### Which is updated more often, Clean Sport or CSX?

Clean Sport ships an update every 13 months, and CSX every 2 months. Most recently, Clean Sport was updated on November 1, 2026 and CSX on November 3, 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.*