# MERS Fun Reading vs RainbowStar

The clearest difference is in-app purchases: MERS Fun Reading at none against RainbowStar's 6. MERS Fun Reading also leads on iOS requirement (10.0 vs 12.0). RainbowStar's advantage is update cadence (every 5 weeks vs every 5 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. MERS Fun Reading asks for nothing beyond the download.

MERS Fun Reading ships an update every 5 months, RainbowStar every 5 weeks. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | MERS Fun Reading | RainbowStar |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 48 MB | 287 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Modern Educational Research Society, LTD](https://appshunter.io/developer/432268704) | [Open Knowledge Association Ltd.](https://appshunter.io/developer/868011308) |

## What reviewers say

### MERS Fun Reading

[App page](https://appshunter.io/ios/app/mers-fun-reading/id779392847)

This app offers a collection of downloadable electronic storybooks for offline reading. It features narration in Cantonese, Putonghua, and English, with interactive drawing tools and word highlighting to enhance learning and creativity for young readers.

**Highlights:** Offline electronic storybooks, Cantonese, Putonghua, and English narration, Interactive drawing tools, Word highlighting during narration, Extensive story variety

**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 MERS Fun Reading free?

MERS Fun Reading is free to download, with no in-app purchases.

### Is RainbowStar free?

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

### Do MERS Fun Reading or RainbowStar have ads?

Neither MERS Fun Reading nor RainbowStar shows ads.

### Which is updated more often, MERS Fun Reading or RainbowStar?

MERS Fun Reading ships an update every 5 months, and RainbowStar every 5 weeks. Most recently, MERS Fun Reading was updated on October 14, 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.*