# Isotropy vs Block Rush Puzzle

The clearest difference is ads: Isotropy at none against Block Rush Puzzle's shown. Isotropy also leads on iOS requirement (6.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Isotropy sells 1 one-off in-app purchase and Block Rush Puzzle sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Isotropy | Block Rush Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 72 MB | 44 MB |
| Requires iOS | **6.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmitriy Prikhodko](https://appshunter.io/developer/558164332) | [Enes Kaya](https://appshunter.io/developer/1755220464) |

## 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 |


### Block Rush Puzzle

[App page](https://appshunter.io/ios/app/block-rush-puzzle/id6760626142)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Streak Rescue Pack | $0.99 | one-time |
| 10 Boosts | $0.99 | one-time |
| Theme Pack | $0.99 | one-time |
| Remove Ads | $1.99 | one-time |
| 50 Boosts | $2.99 | one-time |


## Frequently asked questions

### Is Isotropy free?

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

### Is Block Rush Puzzle free?

Block Rush Puzzle is free to download, with in-app purchases available.

### Do Isotropy or Block Rush Puzzle have ads?

Block Rush Puzzle 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.*