# RainbowStar vs TWGHs CDC App

The clearest difference is in-app purchases: TWGHs CDC App at none against RainbowStar's 6. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. RainbowStar sells 6 one-off in-app purchases. TWGHs CDC App asks for nothing beyond the download.

RainbowStar ships an update every 5 weeks, TWGHs CDC App every 3 weeks. The most recent releases landed on October 11, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | RainbowStar | TWGHs CDC App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 287 MB | 43 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Open Knowledge Association Ltd.](https://appshunter.io/developer/868011308) | [eFaith Company Limited](https://appshunter.io/developer/913163937) |

## What reviewers say

### RainbowStar

[App page](https://appshunter.io/ios/app/rainbowstar/id1251256553)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 8個金幣 | $0.99 | one-time |
| 48個金幣 | $5.99 | one-time |
| 98個金幣 | $12.99 | one-time |
| 218個金幣 | $27.99 | one-time |
| 368個金幣 | $46.99 | one-time |
| 688個金幣 | $89.99 | one-time |


### TWGHs CDC App

[App page](https://appshunter.io/ios/app/twghs-cdc-app/id1637500427)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RainbowStar free?

RainbowStar is free to download, with in-app purchases available.

### Is TWGHs CDC App free?

TWGHs CDC App is free to download, with no in-app purchases.

### Do RainbowStar or TWGHs CDC App have ads?

Neither RainbowStar nor TWGHs CDC App shows ads.

### Which is updated more often, RainbowStar or TWGHs CDC App?

RainbowStar ships an update every 5 weeks, and TWGHs CDC App every 3 weeks. Most recently, RainbowStar was updated on October 11, 2026 and TWGHs CDC App on October 4, 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.*