# Digital Japanese Clock vs Gen

The clearest difference is iOS requirement: Gen at 12.0 against Digital Japanese Clock's 14.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Digital Japanese Clock sells 1 one-off in-app purchase and Gen sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Digital Japanese Clock ships an update every 6 weeks, Gen every 2 months. The most recent releases landed on July 29, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Digital Japanese Clock | Gen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/digital-japanese-clock/id1665402709/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 15 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mihoko Araki](https://appshunter.io/developer/1476136915) | [Kei Suefuji](https://appshunter.io/developer/1388335881) |

## What reviewers say

### Digital Japanese Clock

[App page](https://appshunter.io/ios/app/digital-japanese-clock/id1665402709)

Experience the Edo period's unique timekeeping with this digital clock. It simulates the indefinite time method, dividing days and nights into variable lengths. Customize sounds, displays, and backgrounds for an immersive historical experience.

**Highlights:** Indefinite time method simulation, Customizable bell sounds (drums, cannons, cuckoo), Multiple display options (zodiac, numerals, emojis), Adjustable background color and font, Optional modern sub-clock display, Settings for time methods and display elements

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $1.99 | one-time |


### Gen

[App page](https://appshunter.io/ios/app/gen-go/id6445837465)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PREMIUM | $3.99 | one-time |


## Frequently asked questions

### Is Digital Japanese Clock free?

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

### Is Gen free?

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

### Do Digital Japanese Clock or Gen have ads?

Both Digital Japanese Clock and Gen show ads.

### Which is updated more often, Digital Japanese Clock or Gen?

Digital Japanese Clock ships an update every 6 weeks, and Gen every 2 months. Most recently, Digital Japanese Clock was updated on July 29, 2026 and Gen on September 10, 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.*