# NumDrill vs Rainbow Unicorn Math

The clearest difference is ads: Rainbow Unicorn Math at none against NumDrill's shown. Rainbow Unicorn Math also leads on update cadence (every 3 days vs fortnightly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

NumDrill ships an update fortnightly, Rainbow Unicorn Math every 3 days. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | NumDrill | Rainbow Unicorn Math |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/rainbow-unicorn-math/id6756394112/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | — | Free |
| Size | 111 MB | 10 MB |
| Requires iOS | 18.2 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [KEN ITAKURA](https://appshunter.io/developer/1673182074) | [RONALD HAU-SYANG CHENG](https://appshunter.io/developer/1860443064) |

## What reviewers say

### NumDrill

[App page](https://appshunter.io/ios/app/numdrill-math-you-cant-stop/id6752035917)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Rainbow Unicorn Math

[App page](https://appshunter.io/ios/app/rainbow-unicorn-math/id6756394112)

Embark on a colorful math adventure with a friendly unicorn. This app offers six engaging levels covering addition, subtraction, multiplication, and division, with adjustable difficulty for a personalized learning experience.

**Highlights:** Six math levels: Addition, Subtraction, Multiplication, Division, 15 difficulty options, 15 questions per game, Star-based scoring system, Colorful rainbow themes, Friendly unicorn companion

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NumDrill free?

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

### Is Rainbow Unicorn Math free?

Rainbow Unicorn Math is free to download, with no in-app purchases.

### Do NumDrill or Rainbow Unicorn Math have ads?

NumDrill shows ads; Rainbow Unicorn Math does not.

### Which is updated more often, NumDrill or Rainbow Unicorn Math?

NumDrill ships an update fortnightly, and Rainbow Unicorn Math every 3 days. Most recently, NumDrill was updated on October 9, 2026 and Rainbow Unicorn Math on October 24, 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.*