# Byens Luft vs Unity Gym

The clearest difference is update cadence: Unity Gym at weekly against Byens Luft's fortnightly. 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.

Byens Luft ships an update fortnightly, Unity Gym weekly. Both last shipped on October 30, 2026.

## The numbers

| Metric | Byens Luft | Unity Gym |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Size | 39 MB | 64 MB |
| Requires iOS | 16.1 | **15.5** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Københavns Kommune](https://appshunter.io/developer/499251237) | [Booking Board](https://appshunter.io/developer/1698899191) |

## What reviewers say

### Byens Luft

[App page](https://appshunter.io/ios/app/byens-luft/id6740532502)

**Features:** macOS Compatibility

**In-app purchases:** none


### Unity Gym

[App page](https://appshunter.io/ios/app/unity-gym-amager/id6741327920)

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

**In-app purchases:** none


## Frequently asked questions

### Is Byens Luft free?

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

### Is Unity Gym free?

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

### Do Byens Luft or Unity Gym have ads?

Neither Byens Luft nor Unity Gym shows ads.

### Which is updated more often, Byens Luft or Unity Gym?

Byens Luft ships an update fortnightly, and Unity Gym weekly. Most recently, Byens Luft was updated on October 30, 2026 and Unity Gym on October 30, 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.*