# Calm Express ASMR vs Circle Zen

The clearest difference is ads: Circle Zen at none against Calm Express ASMR's shown. Calm Express ASMR's advantage is update cadence (every 2 days vs every 2 months) and iOS requirement (12.0 vs 16.4). On price, 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.

Calm Express ASMR ships an update every 2 days, Circle Zen every 2 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | Calm Express ASMR | Circle Zen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 2 months |
| Size | 90 MB | 40 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [KometGames PTE.LTD.](https://appshunter.io/developer/1505582223) | [maoko](https://appshunter.io/developer/495151243) |

## What reviewers say

### Calm Express ASMR

[App page](https://appshunter.io/ios/app/calm-express-asmr/id6701995846)

**Features:** macOS Compatibility

**In-app purchases:** none


### Circle Zen

[App page](https://appshunter.io/ios/app/circle-zen/id6760607038)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calm Express ASMR free?

Calm Express ASMR is free to download, with no in-app purchases.

### Is Circle Zen free?

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

### Do Calm Express ASMR or Circle Zen have ads?

Calm Express ASMR shows ads; Circle Zen does not.

### Which is updated more often, Calm Express ASMR or Circle Zen?

Calm Express ASMR ships an update every 2 days, and Circle Zen every 2 months. Most recently, Calm Express ASMR was updated on October 25, 2026 and Circle Zen 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.*