# MORPHINE公式アプリ vs KUROFUNЕ Work

The clearest difference is update cadence: KUROFUNЕ Work at every 2 weeks against MORPHINE公式アプリ's every 41 months. MORPHINE公式アプリ's advantage is iOS requirement (12.0 vs 17.0). 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.

MORPHINE公式アプリ ships an update every 41 months, KUROFUNЕ Work every 2 weeks. The most recent releases landed on September 17, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | MORPHINE公式アプリ | KUROFUNЕ Work |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 2 weeks** |
| Size | 13 MB | 36 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [TOSHIYUKI IWASE](https://appshunter.io/developer/1433578463) | [KUROFUNE Inc.](https://appshunter.io/developer/1637786694) |

## What reviewers say

### MORPHINE公式アプリ

[App page](https://appshunter.io/ios/app/morphine/id1433578464)

**In-app purchases:** none


### KUROFUNЕ Work

[App page](https://appshunter.io/ios/app/kurofun-work/id1637786692)

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

**In-app purchases:** none


## Frequently asked questions

### Is MORPHINE公式アプリ free?

MORPHINE公式アプリ is free to download, with no in-app purchases.

### Is KUROFUNЕ Work free?

KUROFUNЕ Work is free to download, with no in-app purchases.

### Do MORPHINE公式アプリ or KUROFUNЕ Work have ads?

Neither MORPHINE公式アプリ nor KUROFUNЕ Work shows ads.

### Which is updated more often, MORPHINE公式アプリ or KUROFUNЕ Work?

MORPHINE公式アプリ ships an update every 41 months, and KUROFUNЕ Work every 2 weeks. Most recently, MORPHINE公式アプリ was updated on September 17, 2026 and KUROFUNЕ Work on October 13, 2026.

---

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