# Gengou vs 和暦変換

The clearest difference is price: 和暦変換 at Free against Gengou's $0.99. 和暦変換 also leads on update cadence (every 9 days vs every 42 months). Gengou's advantage is ads (none vs shown) and iOS requirement (13.0 vs 17.6). On in-app purchases and device support there is nothing between them.

和暦変換 is free to download; Gengou costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Gengou ships an update every 42 months, 和暦変換 every 9 days. The most recent releases landed on October 20, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Gengou | 和暦変換 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/gengou/id288968943/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 66.1% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 42 months | **Every 9 days** |
| Monetization | Paid | — |
| Size | 3 MB | 114 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Masayuki Akamatsu](https://appshunter.io/developer/284722836) | [Hiroyuki Nishijima](https://appshunter.io/developer/1389796249) |

## What reviewers say

### Gengou

[App page](https://appshunter.io/ios/app/gengou/id288968943)

Quickly convert between Japanese era names and Christian era years. Features include era and year searches, period and era pickers, and the ability to display text in Japanese or English.

**Highlights:** Era and Year Search, Period Picker, Era Picker, Christian Era Year Picker, Japanese Era Year Picker, Show This Year Button, Dual Language Support (JP/EN)

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

**In-app purchases:** none


### 和暦変換

[App page](https://appshunter.io/ios/app/id1453666818)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gengou free?

Gengou costs $0.99, with no in-app purchases.

### Is 和暦変換 free?

和暦変換 is free to download, with no in-app purchases.

### Do Gengou or 和暦変換 have ads?

和暦変換 shows ads; Gengou does not.

### Which is updated more often, Gengou or 和暦変換?

Gengou ships an update every 42 months, and 和暦変換 every 9 days. Most recently, Gengou was updated on October 20, 2026 and 和暦変換 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.*