# HUE² vs Knotwork Puzzle

The clearest difference is price: Knotwork Puzzle at Free against HUE²'s $0.99. Knotwork Puzzle also leads on update cadence (daily vs weekly). HUE²'s advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

Knotwork Puzzle is free to download; HUE² costs $0.99 up front. Knotwork Puzzle sells 1 one-off in-app purchase. HUE² asks for nothing beyond the download.

HUE² ships an update weekly, Knotwork Puzzle daily. The most recent releases landed on November 11, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | HUE² | Knotwork Puzzle |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.0 (6 ratings)](https://appshunter.io/ios/app/hue/id1567355347/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Daily** |
| Monetization | Paid | — |
| Size | 3 MB | 26 MB |
| Requires iOS | **14.5** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Artem Trembach](https://appshunter.io/developer/1390519413) | [Emre Buyukegribey](https://appshunter.io/developer/1545814018) |

## What reviewers say

### HUE²

[App page](https://appshunter.io/ios/app/hue/id1567355347)

A calming puzzle game where players arrange colored cubes on a gradient. It offers 377 levels that start easy and become increasingly challenging, testing logic and color sense.

**Highlights:** Harmonious cube placement, Gradient-based puzzles, Locked cube guides, 377 challenging levels, Logic and color testing

**Features:** macOS Compatibility

**In-app purchases:** none


### Knotwork Puzzle

[App page](https://appshunter.io/ios/app/knotwork-puzzle-loop-lines/id6789190248)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is HUE² free?

HUE² costs $0.99, with no in-app purchases.

### Is Knotwork Puzzle free?

Knotwork Puzzle is free to download, with in-app purchases available.

### Do HUE² or Knotwork Puzzle have ads?

Knotwork Puzzle shows ads; HUE² does not.

### Which is updated more often, HUE² or Knotwork Puzzle?

HUE² ships an update weekly, and Knotwork Puzzle daily. Most recently, HUE² was updated on November 11, 2026 and Knotwork Puzzle on November 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.*