# copernicus1st（コペルニクス ファースト) vs 山紫水明の会

The clearest difference is update cadence: 山紫水明の会 at every 3 days against copernicus1st（コペルニクス ファースト)'s every 3 months. On price, ads, 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.

copernicus1st（コペルニクス ファースト) ships an update every 3 months, 山紫水明の会 every 3 days. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | copernicus1st（コペルニクス ファースト) | 山紫水明の会 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Size | 62 MB | 63 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [creafons.k.k](https://appshunter.io/developer/1548408510) | [グレイトティーチャー株式会社](https://appshunter.io/developer/1405262504) |

## What reviewers say

### copernicus1st（コペルニクス ファースト)

[App page](https://appshunter.io/ios/app/copernicus1st/id6752015152)

**Features:** macOS Compatibility

**In-app purchases:** none


### 山紫水明の会

[App page](https://appshunter.io/ios/app/id6758983283)

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

**In-app purchases:** none


## Frequently asked questions

### Is copernicus1st（コペルニクス ファースト) free?

copernicus1st（コペルニクス ファースト) is free to download, with no in-app purchases.

### Is 山紫水明の会 free?

山紫水明の会 is free to download, with no in-app purchases.

### Do copernicus1st（コペルニクス ファースト) or 山紫水明の会 have ads?

Neither copernicus1st（コペルニクス ファースト) nor 山紫水明の会 shows ads.

### Which is updated more often, copernicus1st（コペルニクス ファースト) or 山紫水明の会?

copernicus1st（コペルニクス ファースト) ships an update every 3 months, and 山紫水明の会 every 3 days. Most recently, copernicus1st（コペルニクス ファースト) was updated on October 13, 2026 and 山紫水明の会 on October 7, 2026.

---

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