# まるけん vs CornerBell Timer

The clearest difference is in-app purchases: まるけん at none against CornerBell Timer's 1. まるけん also leads on iOS requirement (14.0 vs 17.0). CornerBell Timer's advantage is update cadence (every 6 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. CornerBell Timer sells 1 one-off in-app purchase. まるけん asks for nothing beyond the download.

まるけん ships an update every 3 months, CornerBell Timer every 6 days. The most recent releases landed on October 17, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | まるけん | CornerBell Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 days** |
| Size | 189 MB | 7 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HIDAKA VILLAGE](https://appshunter.io/developer/1661902825) | [Kojiro Fujisaka](https://appshunter.io/developer/6782241864) |

## What reviewers say

### まるけん

[App page](https://appshunter.io/ios/app/id1661902823)

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

**In-app purchases:** none


### CornerBell Timer

[App page](https://appshunter.io/ios/app/cornerbell-timer/id6785763230)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CornerBell Pro | $5.99 | one-time |


## Frequently asked questions

### Is まるけん free?

まるけん is free to download, with no in-app purchases.

### Is CornerBell Timer free?

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

### Do まるけん or CornerBell Timer have ads?

Neither まるけん nor CornerBell Timer shows ads.

### Which is updated more often, まるけん or CornerBell Timer?

まるけん ships an update every 3 months, and CornerBell Timer every 6 days. Most recently, まるけん was updated on October 17, 2026 and CornerBell Timer on October 2, 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.*