# Block Color Trap vs Knotwork Puzzle

The clearest difference is in-app purchases: Block Color Trap at none against Knotwork Puzzle's 1. Block Color Trap also leads on ads (none vs shown). Knotwork Puzzle's advantage is update cadence (daily vs every 40 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Knotwork Puzzle sells 1 one-off in-app purchase. Block Color Trap asks for nothing beyond the download.

Block Color Trap ships an update every 40 months, Knotwork Puzzle daily. The most recent releases landed on October 7, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Block Color Trap | Knotwork Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 40 months | **Daily** |
| Size | 74 MB | 26 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MERIEM BELGADAR](https://appshunter.io/developer/1694728795) | [Emre Buyukegribey](https://appshunter.io/developer/1545814018) |

## What reviewers say

### Block Color Trap

[App page](https://appshunter.io/ios/app/block-color-trap-puzzle/id6450749404)

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

**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 Block Color Trap free?

Block Color Trap is free to download, with no in-app purchases.

### Is Knotwork Puzzle free?

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

### Do Block Color Trap or Knotwork Puzzle have ads?

Knotwork Puzzle shows ads; Block Color Trap does not.

### Which is updated more often, Block Color Trap or Knotwork Puzzle?

Block Color Trap ships an update every 40 months, and Knotwork Puzzle daily. Most recently, Block Color Trap was updated on October 7, 2026 and Knotwork Puzzle on October 15, 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.*