# Sky Dot vs Challenge Sort

The clearest difference is in-app purchases: Challenge Sort at none against Sky Dot's 1. Sky Dot's advantage is update cadence (every 5 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sky Dot sells 1 one-off in-app purchase. Challenge Sort asks for nothing beyond the download.

Sky Dot ships an update every 5 days, Challenge Sort fortnightly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Sky Dot | Challenge Sort |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (9.2K ratings)](https://appshunter.io/ios/app/challenge-sort-mind-relax/id6781243727/reviews)** |
| Number of ratings | — | **9.2K** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | — | Ad-supported |
| Size | 58 MB | 151 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Lukas Chytilek](https://appshunter.io/developer/1801214659) | [Lutfi AlBragi](https://appshunter.io/developer/1691520787) |

## What reviewers say

### Sky Dot

[App page](https://appshunter.io/ios/app/sky-dot-just-jump/id6755654061)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### 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 Sky Dot free?

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

### Is Challenge Sort free?

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

### Do Sky Dot or Challenge Sort have ads?

Both Sky Dot and Challenge Sort show ads.

### Which is updated more often, Sky Dot or Challenge Sort?

Sky Dot ships an update every 5 days, and Challenge Sort fortnightly. Most recently, Sky Dot was updated on October 24, 2026 and Challenge Sort on October 28, 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.*