# Gengou Free vs 元号変換

The clearest difference is review sentiment: Gengou Free at 84% against 元号変換's 33%. 元号変換's advantage is ads (none vs shown) and update cadence (every 9 months vs every 44 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Gengou Free ships an update every 44 months, 元号変換 every 9 months. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Gengou Free | 元号変換 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/gengou-free/id284830543/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | **84.5% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 44 months | **Every 9 months** |
| Monetization | Free | — |
| Size | 6 MB | 8 MB |
| Requires iOS | 15.0 | **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 Free

[App page](https://appshunter.io/ios/app/gengou-free/id284830543)

Quickly convert between Japanese era names and Christian era years. Features include era and year searching, period and era pickers, and the ability to display the current year in either system. Texts can be shown 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, Multi-language text display

**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 free?

Gengou Free is free to download, 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 Free or 元号変換 have ads?

Gengou Free shows ads; 元号変換 does not.

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

Gengou Free ships an update every 44 months, and 元号変換 every 9 months. Most recently, Gengou Free was updated on October 31, 2026 and 元号変換 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.*