# Wool Loop vs Circuit Challenge

The clearest difference is update cadence: Circuit Challenge at monthly against Wool Loop's every 2 months. Wool Loop's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Wool Loop sells 10 one-off in-app purchases and Circuit Challenge sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Wool Loop ships an update every 2 months, Circuit Challenge monthly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Wool Loop | Circuit Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/wool-loop-yarn-jam-shooter/id6759028270/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 228 MB | 38 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Quinsor](https://appshunter.io/developer/6790716614) | [Karl Hadman](https://appshunter.io/developer/1895869536) |

## What reviewers say

### Wool Loop

[App page](https://appshunter.io/ios/app/wool-loop-yarn-jam-shooter/id6759028270)

Engage in a calming puzzle game featuring charming pixel art. Tap spools to clear knitted parts of the same color, watching the picture disappear piece by piece. Enjoy simple controls for a relaxing escape anytime, anywhere.

**Highlights:** Satisfying color-sorting gameplay, Charming knitted pixel art, Intuitive tap controls, Calming and relaxing experience, Piece-by-piece picture clearing, Spool usage tracking

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Bundle | $1.99 | one-time |
| Coin Pack 1 | $1.99 | one-time |
| Revive Bundle | $2.99 | one-time |
| Coin Pack 2 | $7.99 | one-time |
| Superior Bundle | $9.99 | one-time |
| Large Bundle | $19.99 | one-time |
| Coin Pack 4 | $29.99 | one-time |
| Cat Bundle | $35.99 | one-time |
| Advanced Bundle | $49.99 | one-time |
| Coin Pack 5 | $99.99 | one-time |


### Circuit Challenge

[App page](https://appshunter.io/ios/app/circuit-challenge/id6775152743)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $5.99 | one-time |


## Frequently asked questions

### Is Wool Loop free?

Wool Loop is free to download, with in-app purchases available.

### Is Circuit Challenge free?

Circuit Challenge is free to download, with in-app purchases available.

### Do Wool Loop or Circuit Challenge have ads?

Both Wool Loop and Circuit Challenge show ads.

### Which is updated more often, Wool Loop or Circuit Challenge?

Wool Loop ships an update every 2 months, and Circuit Challenge monthly. Most recently, Wool Loop was updated on October 24, 2026 and Circuit Challenge 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.*