# CGT COMPASS vs CGT UD 04

The clearest difference is ads: CGT COMPASS at none against CGT UD 04's shown. CGT UD 04's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, 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.

CGT COMPASS ships an update every 12 months, CGT UD 04 every 13 months. The most recent releases landed on October 30, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | CGT COMPASS | CGT UD 04 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 12 months** | Every 13 months |
| Size | 56 MB | 51 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [CGT COMPASS](https://appshunter.io/developer/1704342208) | [UNION CGT](https://appshunter.io/developer/1739808466) |

## What reviewers say

### CGT COMPASS

[App page](https://appshunter.io/ios/app/cgt-compass/id6463428848)

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

**In-app purchases:** none


### CGT UD 04

[App page](https://appshunter.io/ios/app/cgt-ud-04/id6482422818)

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

**In-app purchases:** none


## Frequently asked questions

### Is CGT COMPASS free?

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

### Is CGT UD 04 free?

CGT UD 04 is free to download, with no in-app purchases.

### Do CGT COMPASS or CGT UD 04 have ads?

CGT UD 04 shows ads; CGT COMPASS does not.

### Which is updated more often, CGT COMPASS or CGT UD 04?

CGT COMPASS ships an update every 12 months, and CGT UD 04 every 13 months. Most recently, CGT COMPASS was updated on October 30, 2026 and CGT UD 04 on November 8, 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.*