# Mun Mieli vs KooTreeni

The clearest difference is update cadence: KooTreeni at every 2 months against Mun Mieli's every 20 months. 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.

Mun Mieli ships an update every 20 months, KooTreeni every 2 months. Both last shipped on October 29, 2026.

## The numbers

| Metric | Mun Mieli | KooTreeni |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 2 months** |
| Size | 72 MB | 176 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Suomen Mielenterveysseura ry](https://appshunter.io/developer/1177411995) | [ArraTreeni Oy](https://appshunter.io/developer/1345435068) |

## What reviewers say

### Mun Mieli

[App page](https://appshunter.io/ios/app/mun-mieli/id1177411996)

**Features:** macOS Compatibility

**In-app purchases:** none


### KooTreeni

[App page](https://appshunter.io/ios/app/kootreeni/id1541385532)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mun Mieli free?

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

### Is KooTreeni free?

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

### Do Mun Mieli or KooTreeni have ads?

Neither Mun Mieli nor KooTreeni shows ads.

### Which is updated more often, Mun Mieli or KooTreeni?

Mun Mieli ships an update every 20 months, and KooTreeni every 2 months. Most recently, Mun Mieli was updated on October 29, 2026 and KooTreeni on October 29, 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.*