# Hammer Worker vs One Is Odd

The clearest difference is in-app purchases: Hammer Worker at none against One Is Odd's 1. Hammer Worker also leads on iOS requirement (11.0 vs 13.0). One Is Odd's advantage is update cadence (every 10 days vs every 21 months). On price, ads and device support there is nothing between them.

Both are free to download. One Is Odd sells 1 one-off in-app purchase. Hammer Worker asks for nothing beyond the download.

Hammer Worker ships an update every 21 months, One Is Odd every 10 days. The most recent releases landed on October 27, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Hammer Worker | One Is Odd |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/one-is-odd/id1660806446/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 21 months | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 81 MB | 21 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [omer cetin](https://appshunter.io/developer/1584332419) | [Richard Chapman](https://appshunter.io/developer/435328057) |

## What reviewers say

### Hammer Worker

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

**Features:** macOS Compatibility

**In-app purchases:** none


### One Is Odd

[App page](https://appshunter.io/ios/app/one-is-odd/id1660806446)

Challenge your observation skills by finding the unique item among a set of similar objects. With numerous themes and levels, the game offers a fresh experience each time. Compete with others on leaderboards or play at your own pace.

**Highlights:** Variety of themes, Challenging levels, Moving items, Game Center leaderboards, Relaxing gameplay

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 40 Themes & No Ads | $1.99 | one-time |


## Frequently asked questions

### Is Hammer Worker free?

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

### Is One Is Odd free?

One Is Odd is free to download, with in-app purchases available.

### Do Hammer Worker or One Is Odd have ads?

Both Hammer Worker and One Is Odd show ads.

### Which is updated more often, Hammer Worker or One Is Odd?

Hammer Worker ships an update every 21 months, and One Is Odd every 10 days. Most recently, Hammer Worker was updated on October 27, 2026 and One Is Odd on October 18, 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.*