# Rainbow High vs Challenge King

Rainbow High and Challenge King are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Rainbow High sells 17 in-app purchases, starting at $4.99 per 7 days and Challenge King sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Rainbow High ships an update every 2 weeks, Challenge King every 3 weeks. The most recent releases landed on October 31, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Rainbow High | Challenge King |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (682 ratings)](https://appshunter.io/ios/app/rainbow-high-coloring-games/id6740995343/reviews)** | — |
| Number of ratings | **682** | — |
| Positive reviews | 67.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 108 MB | 101 MB |
| Requires iOS | **13.0** | 14.0.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [TEACH & DRAW LTD](https://appshunter.io/developer/1453443198) | [Neil Collins](https://appshunter.io/developer/1794166665) |

## What reviewers say

### Rainbow High

[App page](https://appshunter.io/ios/app/rainbow-high-coloring-games/id6740995343)

Explore art and creativity with guided drawing and coloring activities featuring popular characters. Bring your imagination to life with step-by-step guides and magical animations. This app offers a relaxing and fun creative experience for users of all ages.

**Highlights:** Guided drawing and coloring pages, Character customization, Magical animations, Offline functionality, Creative expression, Art and fashion mix

**Features:** macOS Compatibility

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FREE TRIAL! | $4.99 | per 7 days |
| Weekly | $4.99 | per 7 days |
| Weekly | $9.99 | per 7 days |
| FREE TRIAL! | $9.99 | per 7 days |
| FREE TRIAL! | $9.99 | per 7 days |
| Monthly | $9.99 | per month |
| Annual | $29.99 | per year |
| FREE TRIAL! | $29.99 | per year |
| FREE TRIAL! | $29.99 | per year |
| Annual | $59.99 | per year |
| Fantastic Fashions Pack | $1.99 | one-time |
| Special Offer | $4.99 | one-time |
| softcoin.small.v0 | $4.99 | one-time |
| Rainbow High fashion pack | $4.99 | one-time |
| Winter pack | $4.99 | one-time |
| Extra Large Coin Pack | $14.99 | one-time |
| Buy all | $74.99 | one-time |


### Challenge King

[App page](https://appshunter.io/ios/app/challenge-king/id6741436094)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Challenge King All Challenges | $2.99 | one-time |


## Frequently asked questions

### Is Rainbow High free?

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

### Is Challenge King free?

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

### Do Rainbow High or Challenge King have ads?

Neither Rainbow High nor Challenge King shows ads.

### Which is updated more often, Rainbow High or Challenge King?

Rainbow High ships an update every 2 weeks, and Challenge King every 3 weeks. Most recently, Rainbow High was updated on October 31, 2026 and Challenge King on October 6, 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.*