# KUROFUNЕ Work vs JpanaSync

The clearest difference is update cadence: JpanaSync at every 2 days against KUROFUNЕ Work's every 2 weeks. JpanaSync also leads on iOS requirement (11.0 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.

KUROFUNЕ Work ships an update every 2 weeks, JpanaSync every 2 days. The most recent releases landed on October 13, 2026 and December 27, 2025 respectively.

## The numbers

| Metric | KUROFUNЕ Work | JpanaSync |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 36 MB | 75 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [KUROFUNE Inc.](https://appshunter.io/developer/1637786694) | [Riku Takama](https://appshunter.io/developer/1690920107) |

## What reviewers say

### KUROFUNЕ Work

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

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

**In-app purchases:** none


### JpanaSync

[App page](https://appshunter.io/ios/app/jpanasync/id6449866909)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KUROFUNЕ Work free?

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

### Is JpanaSync free?

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

### Do KUROFUNЕ Work or JpanaSync have ads?

Neither KUROFUNЕ Work nor JpanaSync shows ads.

### Which is updated more often, KUROFUNЕ Work or JpanaSync?

KUROFUNЕ Work ships an update every 2 weeks, and JpanaSync every 2 days. Most recently, KUROFUNЕ Work was updated on October 13, 2026 and JpanaSync on December 27, 2025.

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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.*