# IQdigit vs Rainbow World School

The clearest difference is update cadence: IQdigit at every 9 days against Rainbow World School's every 15 months. Rainbow World School's advantage is iOS requirement (12.0 vs 15.0). On price, ads, 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.

IQdigit ships an update every 9 days, Rainbow World School every 15 months. The most recent releases landed on October 27, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | IQdigit | Rainbow World School |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 15 months |
| Size | 85 MB | 66 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rajesh Pundeer](https://appshunter.io/developer/1479716242) | [Radical Point LLP](https://appshunter.io/developer/1256387743) |

## What reviewers say

### IQdigit

[App page](https://appshunter.io/ios/app/iqdigit/id1617528225)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rainbow World School

[App page](https://appshunter.io/ios/app/rainbow-world-school/id1618871963)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IQdigit free?

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

### Is Rainbow World School free?

Rainbow World School is free to download, with no in-app purchases.

### Do IQdigit or Rainbow World School have ads?

Neither IQdigit nor Rainbow World School shows ads.

### Which is updated more often, IQdigit or Rainbow World School?

IQdigit ships an update every 9 days, and Rainbow World School every 15 months. Most recently, IQdigit was updated on October 27, 2026 and Rainbow World School on October 5, 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.*