# 中大痛症 vs Harmony Kit

The clearest difference is update cadence: 中大痛症 at every 2 weeks against Harmony Kit's every 2 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.

中大痛症 ships an update every 2 weeks, Harmony Kit every 2 months. The most recent releases landed on October 25, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 中大痛症 | Harmony Kit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Size | 264 MB | 55 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [The Chinese University of Hong Kong](https://appshunter.io/developer/369070876) | [Chi Group Holdings Limited](https://appshunter.io/developer/1078841529) |

## What reviewers say

### 中大痛症

[App page](https://appshunter.io/ios/app/id1642857581)

**Features:** macOS Compatibility

**In-app purchases:** none


### Harmony Kit

[App page](https://appshunter.io/ios/app/harmony-kit/id6446106180)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 中大痛症 free?

中大痛症 is free to download, with no in-app purchases.

### Is Harmony Kit free?

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

### Do 中大痛症 or Harmony Kit have ads?

Neither 中大痛症 nor Harmony Kit shows ads.

### Which is updated more often, 中大痛症 or Harmony Kit?

中大痛症 ships an update every 2 weeks, and Harmony Kit every 2 months. Most recently, 中大痛症 was updated on October 25, 2026 and Harmony Kit on October 15, 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.*