# CrossWorlds vs One Is Odd

The clearest difference is ads: CrossWorlds at none against One Is Odd's shown. One Is Odd's advantage is update cadence (every 10 days vs every 17 months). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. CrossWorlds sells 3 one-off in-app purchases and One Is Odd sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

CrossWorlds ships an update every 17 months, One Is Odd every 10 days. The most recent releases landed on October 10, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | CrossWorlds | 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** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 17 months | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 82 MB | 21 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Seiran Wallstrom](https://appshunter.io/developer/648989786) | [Richard Chapman](https://appshunter.io/developer/435328057) |

## What reviewers say

### CrossWorlds

[App page](https://appshunter.io/ios/app/crossworlds/id1276156204)

Navigate through word puzzle worlds by creating criss-cross patterns with words. Collect bonuses to overcome obstacles and enhance your gameplay. Suitable for word game enthusiasts of all levels.

**Highlights:** Word puzzle gameplay, Navigate through different worlds, Create criss-cross word patterns, Collect in-game bonuses, Remove obstacles, Strategic word placement

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Box of 30 Hearts | $0.99 | one-time |
| Box of 70 Hearts | $1.99 | one-time |
| Box of 120 Hearts | $2.99 | one-time |


### 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 CrossWorlds free?

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

### Is One Is Odd free?

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

### Do CrossWorlds or One Is Odd have ads?

One Is Odd shows ads; CrossWorlds does not.

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

CrossWorlds ships an update every 17 months, and One Is Odd every 10 days. Most recently, CrossWorlds was updated on October 10, 2026 and One Is Odd on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*