# Digital Japanese Clock vs 台形の完全計算アプリ

The clearest difference is price: Digital Japanese Clock at Free against 台形の完全計算アプリ's $2.99. 台形の完全計算アプリ's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Digital Japanese Clock is free to download; 台形の完全計算アプリ costs $2.99 up front. Digital Japanese Clock sells 1 one-off in-app purchase. 台形の完全計算アプリ asks for nothing beyond the download.

Digital Japanese Clock ships an update every 6 weeks, 台形の完全計算アプリ daily. The most recent releases landed on October 17, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Digital Japanese Clock | 台形の完全計算アプリ |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| 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 | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 19 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mihoko Araki](https://appshunter.io/developer/1476136915) | [kotobaz](https://appshunter.io/developer/1634727152) |

## 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, Vision Pro support

**In-app purchases (1)**

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


### 台形の完全計算アプリ

[App page](https://appshunter.io/ios/app/trapezoider/id6767874919)

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

**In-app purchases:** none


## Frequently asked questions

### Is Digital Japanese Clock free?

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

### Is 台形の完全計算アプリ free?

台形の完全計算アプリ costs $2.99, with no in-app purchases.

### Do Digital Japanese Clock or 台形の完全計算アプリ have ads?

Digital Japanese Clock shows ads; 台形の完全計算アプリ does not.

### Which is updated more often, Digital Japanese Clock or 台形の完全計算アプリ?

Digital Japanese Clock ships an update every 6 weeks, and 台形の完全計算アプリ daily. Most recently, Digital Japanese Clock was updated on October 17, 2026 and 台形の完全計算アプリ on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*