# Fysisk Form vs Byens Luft

The clearest difference is device support: Fysisk Form at 3 against Byens Luft's 1. Fysisk Form also leads on iOS requirement (14.2 vs 16.1). 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.

Fysisk Form ships an update every 3 weeks, Byens Luft fortnightly. The most recent releases landed on September 14, 2026 and June 24, 2026 respectively.

## The numbers

| Metric | Fysisk Form | Byens Luft |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 157 MB | 39 MB |
| Requires iOS | **14.2** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Fysisk Form](https://appshunter.io/developer/1751283618) | [Copenhagen Municipality, Koncernservice](https://appshunter.io/developer/499251237) |

## What reviewers say

### Fysisk Form

[App page](https://appshunter.io/ios/app/fysisk-form/id6504189575)

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

**In-app purchases:** none


### Byens Luft

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fysisk Form free?

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

### Is Byens Luft free?

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

### Do Fysisk Form or Byens Luft have ads?

Neither Fysisk Form nor Byens Luft shows ads.

### Which is updated more often, Fysisk Form or Byens Luft?

Fysisk Form ships an update every 3 weeks, and Byens Luft fortnightly. Most recently, Fysisk Form was updated on September 14, 2026 and Byens Luft on June 24, 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.*