# One Is Odd vs Rainbow Drop Casual

The clearest difference is rating: One Is Odd at 5.0 against Rainbow Drop Casual's 4.5. One Is Odd also leads on iOS requirement (13.0 vs 17.0). Rainbow Drop Casual's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

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

One Is Odd holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 4 and 13 respectively.

## The numbers

| Metric | One Is Odd | Rainbow Drop Casual |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/one-is-odd/id1660806446/reviews)** | [4.5 (13 ratings)](https://appshunter.io/ios/app/rainbow-drop-casual/id6477760513/reviews) |
| Number of ratings | 4 | **13** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 21 MB | 1 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Richard Chapman](https://appshunter.io/developer/435328057) | [Michiel Mol](https://appshunter.io/developer/1080344887) |

## What reviewers say

### 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 |


### Rainbow Drop Casual

[App page](https://appshunter.io/ios/app/rainbow-drop-casual/id6477760513)

A free, addictive casual puzzle game where players remove balls by creating lines. Test your skills to advance through levels in this engaging experience.

**Highlights:** Addictive casual gameplay, Ball removal puzzles, Line-up mechanics, Multiple levels, Completely free

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is One Is Odd free?

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

### Is Rainbow Drop Casual free?

Rainbow Drop Casual is free to download, with no in-app purchases.

### Which has better reviews, One Is Odd or Rainbow Drop Casual?

One Is Odd is rated higher. One Is Odd averages 5.0 out of 5 from 4 ratings, while Rainbow Drop Casual averages 4.5 from 13 ratings.

### Do One Is Odd or Rainbow Drop Casual have ads?

One Is Odd shows ads; Rainbow Drop Casual does not.

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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.*