# Referee Pro REF! vs Champp

The clearest difference is iOS requirement: Referee Pro REF! at 11.2 against Champp's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Referee Pro REF! ships an update every 6 weeks, Champp every 3 months. The most recent releases landed on September 30, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Referee Pro REF! | Champp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Size | 30 MB | 110 MB |
| Requires iOS | **11.2** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ignacio Gutierrez](https://appshunter.io/developer/1438556210) | [ADSERTI, SA de CV.](https://appshunter.io/developer/1300400457) |

## What reviewers say

### Referee Pro REF!

[App page](https://appshunter.io/ios/app/referee-pro-ref/id1438556211)

**Features:** macOS Compatibility

**In-app purchases:** none


### Champp

[App page](https://appshunter.io/ios/app/champp/id6744373949)

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

**In-app purchases:** none


## Frequently asked questions

### Is Referee Pro REF! free?

Referee Pro REF! is free to download, with no in-app purchases.

### Is Champp free?

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

### Do Referee Pro REF! or Champp have ads?

Neither Referee Pro REF! nor Champp shows ads.

### Which is updated more often, Referee Pro REF! or Champp?

Referee Pro REF! ships an update every 6 weeks, and Champp every 3 months. Most recently, Referee Pro REF! was updated on September 30, 2026 and Champp on September 27, 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.*