# Sleep Bug Kids vs Challenge Sort

The clearest difference is price: Challenge Sort at Free against Sleep Bug Kids's $0.99. Challenge Sort also leads on update cadence (fortnightly vs every 15 months) and ratings volume (9.7K vs 2). Sleep Bug Kids's advantage is ads (none vs shown) and rating (5.0 vs 4.5). On in-app purchases and device support there is nothing between them.

Challenge Sort is free to download; Sleep Bug Kids costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sleep Bug Kids holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Challenge Sort has 9.7K ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 50% of Sleep Bug Kids's written reviews are positive against 62% of Challenge Sort's, so the app with the better star average is not the one people write more warmly about.

Sleep Bug Kids ships an update every 15 months, Challenge Sort fortnightly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Sleep Bug Kids | Challenge Sort |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sleep-bug-kids/id776190893/reviews)** | [4.5 (9.7K ratings)](https://appshunter.io/ios/app/challenge-sort-mind-relax/id6781243727/reviews) |
| Number of ratings | 2 | **9.7K** |
| Positive reviews | 50.0% of reviews | **62.2% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 15 months | **Fortnightly** |
| Monetization | Paid | **Ad-supported** |
| Best chart rank | **#91** | — |
| Size | 99 MB | 151 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Arnt-Henning Moberg](https://appshunter.io/developer/467483179) | [Lutfi AlBragi](https://appshunter.io/developer/1691520787) |

## What reviewers say

### Sleep Bug Kids

[App page](https://appshunter.io/ios/app/sleep-bug-kids/id776190893)

**Currently charting:** #91 Top Paid · Music (US App Store)

This interactive playground offers nine vibrant worlds filled with characters and familiar themes that children love. It provides a safe, kid-friendly virtual environment with playful audio effects to keep little ones entertained on the go or during quiet time.

**Highlights:** 9 interactive worlds, Vibrant colors and characters, Playful audio effects, Kid-friendly virtual environment, Tap and swipe interactions, Themed scenes

**In-app purchases:** none


### Challenge Sort

[App page](https://appshunter.io/ios/app/challenge-sort-mind-relax/id6781243727)

Engage your mind with a relaxing puzzle game featuring two distinct modes: classic water sorting and creative color arrangement. Enjoy a pressure-free experience with satisfying visuals and unlock beautiful artwork as you progress.

**Highlights:** Classic water sorting puzzles, Color arrangement logic challenges, Unlockable artwork, No timers or pressure, Satisfying visual feedback, Switch between game modes

**In-app purchases:** none


## Frequently asked questions

### Is Sleep Bug Kids free?

Sleep Bug Kids costs $0.99, with no in-app purchases.

### Is Challenge Sort free?

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

### Which has better reviews, Sleep Bug Kids or Challenge Sort?

Sleep Bug Kids is rated higher. Sleep Bug Kids averages 5.0 out of 5 from 2 ratings, while Challenge Sort averages 4.5 from 9.7K ratings.

### Do Sleep Bug Kids or Challenge Sort have ads?

Challenge Sort shows ads; Sleep Bug Kids does not.

### Which is updated more often, Sleep Bug Kids or Challenge Sort?

Sleep Bug Kids ships an update every 15 months, and Challenge Sort fortnightly. Most recently, Sleep Bug Kids was updated on November 1, 2026 and Challenge Sort on November 3, 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.*