# Isotropy vs Brain Arcade

The clearest difference is review sentiment: Isotropy at 100% against Brain Arcade's 0%. Isotropy also leads on ads (none vs shown) and iOS requirement (6.0 vs 15.6). Brain Arcade's advantage is in-app purchases (none vs 1). On price and device support there is nothing between them.

Both are free to download. Isotropy sells 1 one-off in-app purchase. Brain Arcade asks for nothing beyond the download.

## The numbers

| Metric | Isotropy | Brain Arcade |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (4 ratings)](https://appshunter.io/ios/app/brain-arcade/id1186719045/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | — | Every 6 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 72 MB | 50 MB |
| Requires iOS | **6.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmitriy Prikhodko](https://appshunter.io/developer/558164332) | [Daniel Hansen](https://appshunter.io/developer/312733912) |

## What reviewers say

### Isotropy

[App page](https://appshunter.io/ios/app/isotropy/id992819687)

A fast-paced puzzle game where players must quickly identify and tap the unique item among 100 identical ones within a strict time limit. Challenge yourself to find as many differences as possible in this addictive test of observation.

**Highlights:** Identify unique item, 10-second time limit, Fast-paced gameplay, Observation challenge, High replayability

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Brain Arcade

[App page](https://appshunter.io/ios/app/brain-arcade/id1186719045)

Engaging brain games offer a fun distraction for minutes or hours. Enjoy beautiful, self-paced challenges with dynamically changing backgrounds and mood-boosting affirmations.

**Highlights:** Collection of 20+ brain games, Self-paced gameplay, Visually appealing design, Mood-boosting affirmations, Classic and unique game modes, Suitable for short breaks

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Isotropy free?

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

### Is Brain Arcade free?

Brain Arcade is free to download, with no in-app purchases.

### Do Isotropy or Brain Arcade have ads?

Brain Arcade shows ads; Isotropy 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.*