# AKAI vs One Is Odd

The clearest difference is ads: AKAI at none against One Is Odd's shown. AKAI also leads on iOS requirement (9.0 vs 13.0). One Is Odd's advantage is update cadence (every 10 days vs every 3 weeks). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. AKAI 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.

On the App Store both sit at effectively the same score — 5.0 for AKAI against 5.0 for One Is Odd. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

AKAI ships an update every 3 weeks, One Is Odd every 10 days. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | AKAI | One Is Odd |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/akai-spot-the-difference/id1454094340/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/one-is-odd/id1660806446/reviews) |
| Number of ratings | 2 | **4** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 187 MB | 21 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CR Game](https://appshunter.io/developer/983332959) | [Richard Chapman](https://appshunter.io/developer/435328057) |

## What reviewers say

### AKAI

[App page](https://appshunter.io/ios/app/akai-spot-the-difference/id1454094340)

Engage your brain with a picture puzzle game where you must find five differences between two similar images. Progress through multiple challenging levels, collect stars, and use hints to sharpen your observation skills. It's an addictive challenge for puzzle enthusiasts.

**Highlights:** Find 5 differences between 2 photos, Multiple challenging levels, Collect stars and earn high scores, Use hints to find differences, Great design and entertaining sounds

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ruby 100 | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Ruby 300 | $1.99 | 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 AKAI free?

AKAI 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.

### Which has better reviews, AKAI or One Is Odd?

AKAI and One Is Odd are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.

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

One Is Odd shows ads; AKAI does not.

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

AKAI ships an update every 3 weeks, and One Is Odd every 10 days. Most recently, AKAI was updated on October 9, 2026 and One Is Odd on October 2, 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.*