# Comparison vs RainbowStar

The clearest difference is in-app purchases: Comparison at none against RainbowStar's 6. Comparison also leads on iOS requirement (8.0 vs 12.0). RainbowStar's advantage is update cadence (every 5 weeks vs every 61 months) and device support (3 vs 1). On price and ads there is nothing between them.

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

Comparison ships an update every 61 months, RainbowStar every 5 weeks. The most recent releases landed on September 30, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Comparison | RainbowStar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 61 months | **Every 5 weeks** |
| Size | 23 MB | 287 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ebenezer school](https://appshunter.io/developer/512093968) | [Open Knowledge Association Ltd.](https://appshunter.io/developer/868011308) |

## What reviewers say

### Comparison

[App page](https://appshunter.io/ios/app/comparison/id655484038)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Comparison free?

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

### Is RainbowStar free?

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

### Do Comparison or RainbowStar have ads?

Neither Comparison nor RainbowStar shows ads.

### Which is updated more often, Comparison or RainbowStar?

Comparison ships an update every 61 months, and RainbowStar every 5 weeks. Most recently, Comparison was updated on September 30, 2026 and RainbowStar on October 11, 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.*