# 教聯國際 ICEC vs RainbowSky

The clearest difference is ads: RainbowSky at none against 教聯國際 ICEC's shown. 教聯國際 ICEC's advantage is update cadence (daily vs every 2 weeks) and iOS requirement (9.0 vs 12.0). On price, 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.

教聯國際 ICEC ships an update daily, RainbowSky every 2 weeks. The most recent releases landed on September 10, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | 教聯國際 ICEC | RainbowSky |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 2 weeks |
| Size | 37 MB | 292 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Four Directions](https://appshunter.io/developer/387680923) | [Open Knowledge Association Ltd.](https://appshunter.io/developer/868011308) |

## What reviewers say

### 教聯國際 ICEC

[App page](https://appshunter.io/ios/app/icec/id1565106640)

**Features:** macOS Compatibility

**In-app purchases:** none


### RainbowSky

[App page](https://appshunter.io/ios/app/rainbowsky/id6771268020)

**In-app purchases:** none


## Frequently asked questions

### Is 教聯國際 ICEC free?

教聯國際 ICEC is free to download, with no in-app purchases.

### Is RainbowSky free?

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

### Do 教聯國際 ICEC or RainbowSky have ads?

教聯國際 ICEC shows ads; RainbowSky does not.

### Which is updated more often, 教聯國際 ICEC or RainbowSky?

教聯國際 ICEC ships an update daily, and RainbowSky every 2 weeks. Most recently, 教聯國際 ICEC was updated on September 10, 2026 and RainbowSky on September 19, 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.*