# Gengou Lib vs CoRichチケット！ 主催者向け入場管理アプリ

The clearest difference is ads: CoRichチケット！ 主催者向け入場管理アプリ at none against Gengou Lib's shown. CoRichチケット！ 主催者向け入場管理アプリ also leads on update cadence (every 4 days vs every 61 months). Gengou Lib's advantage is iOS requirement (13.0 vs 16.6). 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 Lib ships an update every 61 months, CoRichチケット！ 主催者向け入場管理アプリ every 4 days. The most recent releases landed on August 13, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Gengou Lib | CoRichチケット！ 主催者向け入場管理アプリ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/gengou-lib/id284830543/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 84.5% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 61 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 6 MB | 1 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Masayuki Akamatsu](https://appshunter.io/developer/284722836) | [CoRich,Inc](https://appshunter.io/developer/390631358) |

## What reviewers say

### Gengou Lib

[App page](https://appshunter.io/ios/app/gengou-lib/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


### CoRichチケット！ 主催者向け入場管理アプリ

[App page](https://appshunter.io/ios/app/corich/id6746754622)

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

**In-app purchases:** none


## Frequently asked questions

### Is Gengou Lib free?

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

### Is CoRichチケット！ 主催者向け入場管理アプリ free?

CoRichチケット！ 主催者向け入場管理アプリ is free to download, with no in-app purchases.

### Do Gengou Lib or CoRichチケット！ 主催者向け入場管理アプリ have ads?

Gengou Lib shows ads; CoRichチケット！ 主催者向け入場管理アプリ does not.

### Which is updated more often, Gengou Lib or CoRichチケット！ 主催者向け入場管理アプリ?

Gengou Lib ships an update every 61 months, and CoRichチケット！ 主催者向け入場管理アプリ every 4 days. Most recently, Gengou Lib was updated on August 13, 2026 and CoRichチケット！ 主催者向け入場管理アプリ on September 11, 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.*