# RainbowStar vs 解難智趣囊2

The clearest difference is in-app purchases: 解難智趣囊2 at none against RainbowStar's 6. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. RainbowStar sells 6 one-off in-app purchases. 解難智趣囊2 asks for nothing beyond the download.

## The numbers

| Metric | RainbowStar | 解難智趣囊2 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | — |
| Size | 287 MB | 449 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Open Knowledge Association Ltd.](https://appshunter.io/developer/868011308) | [協康會](https://appshunter.io/developer/580776082) |

## 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 |


### 解難智趣囊2

[App page](https://appshunter.io/ios/app/2/id6448838215)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RainbowStar free?

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

### Is 解難智趣囊2 free?

解難智趣囊2 is free to download, with no in-app purchases.

### Do RainbowStar or 解難智趣囊2 have ads?

Neither RainbowStar nor 解難智趣囊2 shows ads.

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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.*