# Old Japanese Clock Lite vs CalendarPlus

The clearest difference is iOS requirement: CalendarPlus at 12.0 against Old Japanese Clock Lite's 15.0. 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.

Old Japanese Clock Lite ships an update every 5 months, CalendarPlus every 3 months. Both last shipped on November 6, 2026.

## The numbers

| Metric | Old Japanese Clock Lite | CalendarPlus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/old-japanese-clock-lite/id867913934/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 5 months | **Every 3 months** |
| Monetization | Ad-supported | — |
| Size | 10 MB | 8 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Takafumi AMANO](https://appshunter.io/developer/581065340) | [HISANORI KAMEYAMA](https://appshunter.io/developer/683895276) |

## What reviewers say

### Old Japanese Clock Lite

[App page](https://appshunter.io/ios/app/old-japanese-clock-lite/id867913934)

Explore a historical Japanese timekeeping system, the Temporeki, used in the late Edo era. This app is useful for understanding historical documents, adjusting traditional Japanese clocks, and immersing yourself in the lifestyle of ninjas and samurais.

**Highlights:** Temporeki clock system, Historical Japanese timekeeping, Edo era lifestyle recreation, Wadokei clock adjustment aid, Educational historical tool

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

**In-app purchases:** none


### CalendarPlus

[App page](https://appshunter.io/ios/app/calendarplus/id1190800880)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Old Japanese Clock Lite free?

Old Japanese Clock Lite is free to download, with no in-app purchases.

### Is CalendarPlus free?

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

### Do Old Japanese Clock Lite or CalendarPlus have ads?

Both Old Japanese Clock Lite and CalendarPlus show ads.

### Which is updated more often, Old Japanese Clock Lite or CalendarPlus?

Old Japanese Clock Lite ships an update every 5 months, and CalendarPlus every 3 months. Most recently, Old Japanese Clock Lite was updated on November 6, 2026 and CalendarPlus on November 6, 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.*