# Gen vs 西暦和暦変換器

The clearest difference is in-app purchases: 西暦和暦変換器 at none against Gen's 1. 西暦和暦変換器 also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). Gen's advantage is iOS requirement (12.0 vs 26.0). On price and device support there is nothing between them.

Both are free to download. Gen sells 1 one-off in-app purchase. 西暦和暦変換器 asks for nothing beyond the download.

Gen ships an update every 2 months, 西暦和暦変換器 every 3 weeks. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Gen | 西暦和暦変換器 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 15 MB | 3 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kei Suefuji](https://appshunter.io/developer/1388335881) | [Daisuke Minami](https://appshunter.io/developer/1762826742) |

## What reviewers say

### Gen

[App page](https://appshunter.io/ios/app/gen-go/id6445837465)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PREMIUM | $3.99 | one-time |


### 西暦和暦変換器

[App page](https://appshunter.io/ios/app/id6711329947)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Gen free?

Gen is free to download, with in-app purchases available.

### Is 西暦和暦変換器 free?

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

### Do Gen or 西暦和暦変換器 have ads?

Gen shows ads; 西暦和暦変換器 does not.

### Which is updated more often, Gen or 西暦和暦変換器?

Gen ships an update every 2 months, and 西暦和暦変換器 every 3 weeks. Most recently, Gen was updated on September 10, 2026 and 西暦和暦変換器 on September 18, 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.*