# Gengou vs 元号変換

The clearest difference is price: 元号変換 at Free against Gengou's $0.99. 元号変換 also leads on update cadence (every 9 months vs every 42 months). Gengou's advantage is review sentiment (66% vs 33%). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

元号変換 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, 元号変換 every 9 months. The most recent releases landed on October 20, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Gengou | 元号変換 |
| --- | --- | --- |
| 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** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 42 months | **Every 9 months** |
| Monetization | Paid | — |
| Size | 3 MB | 8 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Masayuki Akamatsu](https://appshunter.io/developer/284722836) | [Seiji Nagano](https://appshunter.io/developer/689628441) |

## 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


### 元号変換

[App page](https://appshunter.io/ios/app/id736769268)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gengou free?

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

### Is 元号変換 free?

元号変換 is free to download, with no in-app purchases.

### Do Gengou or 元号変換 have ads?

Neither Gengou nor 元号変換 shows ads.

### Which is updated more often, Gengou or 元号変換?

Gengou ships an update every 42 months, and 元号変換 every 9 months. Most recently, Gengou was updated on October 20, 2026 and 元号変換 on October 13, 2026.

---

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