# Treer vs MicroCalm

The clearest difference is in-app purchases: MicroCalm at none against Treer's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Treer sells 3 in-app purchases, starting at $0.99 per month. MicroCalm asks for nothing beyond the download.

## The numbers

| Metric | Treer | MicroCalm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Size | 16 MB | 28 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [子捷 陈](https://appshunter.io/developer/1770204435) | [Giulio Soro](https://appshunter.io/developer/1801168260) |

## What reviewers say

### Treer

[App page](https://appshunter.io/ios/app/treer/id6714452618)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Annual Subscription | $7.99 | per year |
| Lifetime | $14.99 | one-time |


### MicroCalm

[App page](https://appshunter.io/ios/app/microcalm/id6744527896)

**In-app purchases:** none


## Frequently asked questions

### Is Treer free?

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

### Is MicroCalm free?

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

### Do Treer or MicroCalm have ads?

Neither Treer nor MicroCalm shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*