# FitnessLab vs Klar

The clearest difference is update cadence: FitnessLab at weekly against Klar's every 3 weeks. 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.

FitnessLab ships an update weekly, Klar every 3 weeks. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | FitnessLab | Klar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Size | 64 MB | 82 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Booking Board ApS](https://appshunter.io/developer/1698899191) | [Harjit Singh Sahota](https://appshunter.io/developer/1621690918) |

## What reviewers say

### FitnessLab

[App page](https://appshunter.io/ios/app/fitnesslab-bb/id6746951468)

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

**In-app purchases:** none


### Klar

[App page](https://appshunter.io/ios/app/klar/id6758777902)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FitnessLab free?

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

### Is Klar free?

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

### Do FitnessLab or Klar have ads?

Neither FitnessLab nor Klar shows ads.

### Which is updated more often, FitnessLab or Klar?

FitnessLab ships an update weekly, and Klar every 3 weeks. Most recently, FitnessLab was updated on October 30, 2026 and Klar on October 25, 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.*