# Daimyo Clock vs koopl

The clearest difference is iOS requirement: koopl at 13.0 against Daimyo Clock's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Daimyo Clock ships an update every 37 months, koopl every 19 months. The most recent releases landed on October 4, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Daimyo Clock | koopl |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/daimyo-clock/id1268135788/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 19 months** |
| Monetization | Free | — |
| Size | 1 MB | 26 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Douglas Hildum](https://appshunter.io/developer/1268135787) | [BonoLingo Group AS](https://appshunter.io/developer/1366849574) |

## What reviewers say

### Daimyo Clock

[App page](https://appshunter.io/ios/app/daimyo-clock/id1268135788)

Experience traditional Japanese timekeeping with this app, which recreates a 17th-century mechanical clock. It accurately displays time divided into six equal periods for day and night, adjusting for seasonal changes in daylight.

**Highlights:** Traditional Japanese timekeeping, Day/night divided into six equal periods, Seasonal daylight adjustments, Accurate solar noon calculation, Location-based time display, Twilight start/end calculation

**In-app purchases:** none


### koopl

[App page](https://appshunter.io/ios/app/koopl/id1445354538)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Daimyo Clock free?

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

### Is koopl free?

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

### Do Daimyo Clock or koopl have ads?

Neither Daimyo Clock nor koopl shows ads.

### Which is updated more often, Daimyo Clock or koopl?

Daimyo Clock ships an update every 37 months, and koopl every 19 months. Most recently, Daimyo Clock was updated on October 4, 2026 and koopl on October 1, 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.*