# KRUSH 跨學舞蹈 vs 發球 Serve

The clearest difference is device support: KRUSH 跨學舞蹈 at 3 against 發球 Serve's 1. KRUSH 跨學舞蹈 also leads on iOS requirement (15.4 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KRUSH 跨學舞蹈 ships an update every 8 days, 發球 Serve every 9 days. The most recent releases landed on September 29, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | KRUSH 跨學舞蹈 | 發球 Serve |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 9 days |
| Size | 29 MB | 37 MB |
| Requires iOS | **15.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [YITING LIN](https://appshunter.io/developer/1802526229) | [發球股份有限公司](https://appshunter.io/developer/1873056869) |

## What reviewers say

### KRUSH 跨學舞蹈

[App page](https://appshunter.io/ios/app/krush/id6748054041)

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

**In-app purchases:** none


### 發球 Serve

[App page](https://appshunter.io/ios/app/serve/id6758462897)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KRUSH 跨學舞蹈 free?

KRUSH 跨學舞蹈 is free to download, with no in-app purchases.

### Is 發球 Serve free?

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

### Do KRUSH 跨學舞蹈 or 發球 Serve have ads?

Neither KRUSH 跨學舞蹈 nor 發球 Serve shows ads.

### Which is updated more often, KRUSH 跨學舞蹈 or 發球 Serve?

KRUSH 跨學舞蹈 ships an update every 8 days, and 發球 Serve every 9 days. Most recently, KRUSH 跨學舞蹈 was updated on September 29, 2026 and 發球 Serve on October 6, 2026.

---

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