# Muuntaa vs Coaching By Kaarin

The clearest difference is in-app purchases: Coaching By Kaarin at none against Muuntaa's 3. Muuntaa's advantage is update cadence (fortnightly vs monthly) and iOS requirement (13.0 vs 15.4). On price, ads and device support there is nothing between them.

Both are free to download. Muuntaa sells 3 in-app purchases, starting at $5.49 per month. Coaching By Kaarin asks for nothing beyond the download.

Muuntaa ships an update fortnightly, Coaching By Kaarin monthly. The most recent releases landed on October 2, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Muuntaa | Coaching By Kaarin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Size | 10 MB | 17 MB |
| Requires iOS | **13.0** | 15.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hammer Invest Oy](https://appshunter.io/developer/1624849175) | [Trainda Oy](https://appshunter.io/developer/1642308722) |

## What reviewers say

### Muuntaa

[App page](https://appshunter.io/ios/app/muuntaa/id1624849173)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1kk | $5.49 | per month |
| Premium 3kk | $13.99 | per 3 months |
| Premium 12kk | $32.99 | per year |


### Coaching By Kaarin

[App page](https://appshunter.io/ios/app/coaching-by-kaarin/id6743223440)

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

**In-app purchases:** none


## Frequently asked questions

### Is Muuntaa free?

Muuntaa is free to download, with in-app purchases available.

### Is Coaching By Kaarin free?

Coaching By Kaarin is free to download, with no in-app purchases.

### Do Muuntaa or Coaching By Kaarin have ads?

Neither Muuntaa nor Coaching By Kaarin shows ads.

### Which is updated more often, Muuntaa or Coaching By Kaarin?

Muuntaa ships an update fortnightly, and Coaching By Kaarin monthly. Most recently, Muuntaa was updated on October 2, 2026 and Coaching By Kaarin on October 18, 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.*