# AKAI vs PowerOfSphere

The clearest difference is price: AKAI at Free against PowerOfSphere's $1.99. AKAI also leads on update cadence (every 3 weeks vs every 5 months) and iOS requirement (9.0 vs 16.0). PowerOfSphere's advantage is in-app purchases (none vs 3). On ads and device support there is nothing between them.

AKAI is free to download; PowerOfSphere costs $1.99 up front. AKAI sells 3 one-off in-app purchases. PowerOfSphere asks for nothing beyond the download.

AKAI ships an update every 3 weeks, PowerOfSphere every 5 months. The most recent releases landed on October 9, 2026 and May 18, 2026 respectively.

## The numbers

| Metric | AKAI | PowerOfSphere |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/akai-spot-the-difference/id1454094340/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 187 MB | 30 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CR Game](https://appshunter.io/developer/983332959) | [Power of Sphere UG (haftungsbeschränkt)](https://appshunter.io/developer/1533789033) |

## 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 |


### PowerOfSphere

[App page](https://appshunter.io/ios/app/powerofsphere/id1533789031)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AKAI free?

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

### Is PowerOfSphere free?

PowerOfSphere costs $1.99, with no in-app purchases.

### Do AKAI or PowerOfSphere have ads?

Neither AKAI nor PowerOfSphere shows ads.

### Which is updated more often, AKAI or PowerOfSphere?

AKAI ships an update every 3 weeks, and PowerOfSphere every 5 months. Most recently, AKAI was updated on October 9, 2026 and PowerOfSphere on May 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.*