# Microscopic Puzzle vs Wool Roll

The clearest difference is ads: Microscopic Puzzle at none against Wool Roll's shown. Wool Roll's advantage is update cadence (every 2 days vs every 2 weeks) and iOS requirement (13.0 vs 16.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Microscopic Puzzle ships an update every 2 weeks, Wool Roll every 2 days. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Microscopic Puzzle | Wool Roll |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 4 MB | 150 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Daniel Albu](https://appshunter.io/developer/1797350328) | [Pham Vu Hoang](https://appshunter.io/developer/1592935559) |

## What reviewers say

### Microscopic Puzzle

[App page](https://appshunter.io/ios/app/microscopic-puzzle/id6742197605)

**Features:** macOS Compatibility

**In-app purchases:** none


### Wool Roll

[App page](https://appshunter.io/ios/app/wool-roll-thread-puzzle/id6780773610)

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

**In-app purchases:** none


## Frequently asked questions

### Is Microscopic Puzzle free?

Microscopic Puzzle is free to download, with no in-app purchases.

### Is Wool Roll free?

Wool Roll is free to download, with no in-app purchases.

### Do Microscopic Puzzle or Wool Roll have ads?

Wool Roll shows ads; Microscopic Puzzle does not.

### Which is updated more often, Microscopic Puzzle or Wool Roll?

Microscopic Puzzle ships an update every 2 weeks, and Wool Roll every 2 days. Most recently, Microscopic Puzzle was updated on November 8, 2026 and Wool Roll on November 5, 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.*