# Hammer Worker vs Number Jump King

The clearest difference is in-app purchases: Hammer Worker at none against Number Jump King's 1. Number Jump King's advantage is ads (none vs shown) and update cadence (every 3 days vs every 21 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Number Jump King sells 1 one-off in-app purchase. Hammer Worker asks for nothing beyond the download.

Hammer Worker ships an update every 21 months, Number Jump King every 3 days. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Hammer Worker | Number Jump King |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 21 months | **Every 3 days** |
| Size | 81 MB | 42 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [omer cetin](https://appshunter.io/developer/1584332419) | [IK SEONG PARK](https://appshunter.io/developer/488068869) |

## What reviewers say

### Hammer Worker

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Number Jump King

[App page](https://appshunter.io/ios/app/number-jump-king/id6461308405)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No ads | $2.99 | one-time |


## Frequently asked questions

### Is Hammer Worker free?

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

### Is Number Jump King free?

Number Jump King is free to download, with in-app purchases available.

### Do Hammer Worker or Number Jump King have ads?

Hammer Worker shows ads; Number Jump King does not.

### Which is updated more often, Hammer Worker or Number Jump King?

Hammer Worker ships an update every 21 months, and Number Jump King every 3 days. Most recently, Hammer Worker was updated on October 27, 2026 and Number Jump King 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.*