# RainbowStar vs CA eLearning

The clearest difference is in-app purchases: CA eLearning 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. CA eLearning asks for nothing beyond the download.

RainbowStar ships an update every 5 weeks, CA eLearning every 2 months. The most recent releases landed on September 8, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | RainbowStar | CA eLearning |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Size | 287 MB | 63 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) | [CA Network International Ltd](https://appshunter.io/developer/1554798591) |

## 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 |


### CA eLearning

[App page](https://appshunter.io/ios/app/ca-elearning/id1554798589)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RainbowStar free?

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

### Is CA eLearning free?

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

### Do RainbowStar or CA eLearning have ads?

Neither RainbowStar nor CA eLearning shows ads.

### Which is updated more often, RainbowStar or CA eLearning?

RainbowStar ships an update every 5 weeks, and CA eLearning every 2 months. Most recently, RainbowStar was updated on September 8, 2026 and CA eLearning on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*