# Hammer Worker vs Sheep Wool

The clearest difference is update cadence: Sheep Wool at every 9 days against Hammer Worker's every 21 months. Hammer Worker's advantage is iOS requirement (11.0 vs 13.0). On price, ads, 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.

Hammer Worker ships an update every 21 months, Sheep Wool every 9 days. The most recent releases landed on September 26, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Hammer Worker | Sheep Wool |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 21 months | **Every 9 days** |
| Size | 81 MB | 107 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [omer cetin](https://appshunter.io/developer/1584332419) | [PERCAS VIET NAM JOINT STOCK COMPANY](https://appshunter.io/developer/1587673711) |

## What reviewers say

### Hammer Worker

[App page](https://appshunter.io/ios/app/hammer-worker/id1625503340)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sheep Wool

[App page](https://appshunter.io/ios/app/sheep-wool/id6778793030)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hammer Worker free?

Hammer Worker is free to download, with no in-app purchases.

### Is Sheep Wool free?

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

### Do Hammer Worker or Sheep Wool have ads?

Both Hammer Worker and Sheep Wool show ads.

### Which is updated more often, Hammer Worker or Sheep Wool?

Hammer Worker ships an update every 21 months, and Sheep Wool every 9 days. Most recently, Hammer Worker was updated on September 26, 2026 and Sheep Wool on September 29, 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.*