# Liquid Glow vs Challenge Sort

Liquid Glow and Challenge Sort 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. Neither carries in-app purchases, so what you see is what you pay.

Liquid Glow ships an update every 4 weeks, Challenge Sort fortnightly. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Liquid Glow | Challenge Sort |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 4 weeks | **Fortnightly** |
| Size | 121 MB | 151 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Kenji Kobayashi](https://appshunter.io/developer/535002271) | [Lutfi AlBragi](https://appshunter.io/developer/1691520787) |

## What reviewers say

### Liquid Glow

[App page](https://appshunter.io/ios/app/liquid-glow/id6770228059)

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

**In-app purchases:** none


### Challenge Sort

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

**In-app purchases:** none


## Frequently asked questions

### Is Liquid Glow free?

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

### Is Challenge Sort free?

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

### Do Liquid Glow or Challenge Sort have ads?

Both Liquid Glow and Challenge Sort show ads.

### Which is updated more often, Liquid Glow or Challenge Sort?

Liquid Glow ships an update every 4 weeks, and Challenge Sort fortnightly. Most recently, Liquid Glow was updated on October 15, 2026 and Challenge Sort on October 10, 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.*