# Gengou Free vs シオリー

The clearest difference is ads: シオリー at none against Gengou Free's shown. シオリー also leads on update cadence (every 5 days vs every 44 months). Gengou Free's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 18.1). On price 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.

Gengou Free ships an update every 44 months, シオリー every 5 days. The most recent releases landed on October 29, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Gengou Free | シオリー |
| --- | --- | --- |
| 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 | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 44 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 6 MB | 19 MB |
| Requires iOS | **15.0** | 18.1 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Masayuki Akamatsu](https://appshunter.io/developer/284722836) | [Takuma Narita](https://appshunter.io/developer/1717604330) |

## 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


### シオリー

[App page](https://appshunter.io/ios/app/id6503470310)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gengou Free free?

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

### Is シオリー free?

シオリー is free to download, with no in-app purchases.

### Do Gengou Free or シオリー have ads?

Gengou Free shows ads; シオリー does not.

### Which is updated more often, Gengou Free or シオリー?

Gengou Free ships an update every 44 months, and シオリー every 5 days. Most recently, Gengou Free was updated on October 29, 2026 and シオリー on October 7, 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.*