# Zero Below Zero vs Wool Hit

The clearest difference is in-app purchases: Wool Hit at none against Zero Below Zero's 1. Wool Hit also leads on update cadence (every 10 days vs every 6 months). Zero Below Zero's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Zero Below Zero sells 1 one-off in-app purchase. Wool Hit asks for nothing beyond the download.

Zero Below Zero ships an update every 6 months, Wool Hit every 10 days. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Zero Below Zero | Wool Hit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/zero-below-zero/id1512598160/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 342 MB |
| Requires iOS | 14.3 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Omar Fahmy](https://appshunter.io/developer/1512598159) | [LADANETA PTE. LTD.](https://appshunter.io/developer/1862026785) |

## What reviewers say

### Zero Below Zero

[App page](https://appshunter.io/ios/app/zero-below-zero/id1512598160)

A challenging puzzle game with simple mechanics but extreme difficulty. Achieve a perfect score on free levels to unlock the rest at no cost. No hints are provided, requiring strategic thinking to solve each unique circle-based puzzle.

**Highlights:** Extremely challenging gameplay, Unique circle-based puzzles, Free levels unlockable, No hints provided, Inspired by math puzzles

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all levels | $3.99 | one-time |


### Wool Hit

[App page](https://appshunter.io/ios/app/wool-hit-yarn-puzzle-game-3d/id6792654671)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zero Below Zero free?

Zero Below Zero is free to download, with in-app purchases available.

### Is Wool Hit free?

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

### Do Zero Below Zero or Wool Hit have ads?

Wool Hit shows ads; Zero Below Zero does not.

### Which is updated more often, Zero Below Zero or Wool Hit?

Zero Below Zero ships an update every 6 months, and Wool Hit every 10 days. Most recently, Zero Below Zero was updated on October 15, 2026 and Wool Hit on October 16, 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.*