# Mugen Clock vs Sleep Bonsai

The clearest difference is update cadence: Mugen Clock at every 9 days against Sleep Bonsai's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Mugen Clock sells 1 one-off in-app purchase and Sleep Bonsai sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Mugen Clock ships an update every 9 days, Sleep Bonsai every 3 weeks. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Mugen Clock | Sleep Bonsai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (65 ratings)](https://appshunter.io/ios/app/mugen-clock/id1064833509/reviews)** | — |
| Number of ratings | **65** | — |
| Positive reviews | 95.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 116 MB | 6 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Koichiro Kamada](https://appshunter.io/developer/476534292) | [Ryo Matsumoto](https://appshunter.io/developer/6779092972) |

## What reviewers say

### Mugen Clock

[App page](https://appshunter.io/ios/app/mugen-clock/id1064833509)

This app displays the time in large, easy-to-read numbers with customizable themes and colors. It includes a kitchen timer and stopwatch, with options to show weather, date, and seconds, or use a personal photo as the background.

**Highlights:** Large, easy-to-read time display, Customizable themes and colors, Kitchen timer and stopwatch, Optional weather, date, and seconds, Photo or camera background, Save and switch between custom clocks

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $5.99 | one-time |


### Sleep Bonsai

[App page](https://appshunter.io/ios/app/sleep-bonsai/id6781958291)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| たんぽぽ | $1.99 | one-time |
| ガジュマル | $1.99 | one-time |
| チューリップ | $1.99 | one-time |
| アサガオ | $1.99 | one-time |
| バラ | $1.99 | one-time |


## Frequently asked questions

### Is Mugen Clock free?

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

### Is Sleep Bonsai free?

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

### Do Mugen Clock or Sleep Bonsai have ads?

Both Mugen Clock and Sleep Bonsai show ads.

### Which is updated more often, Mugen Clock or Sleep Bonsai?

Mugen Clock ships an update every 9 days, and Sleep Bonsai every 3 weeks. Most recently, Mugen Clock was updated on November 6, 2026 and Sleep Bonsai on October 31, 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.*