# Entropy vs FocusPlay

The clearest difference is ads: Entropy at none against FocusPlay's shown. FocusPlay's advantage is update cadence (weekly vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Entropy sells 4 one-off in-app purchases and FocusPlay sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Entropy ships an update every 2 weeks, FocusPlay weekly. The most recent releases landed on September 17, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Entropy | FocusPlay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/focusplay-adhd-and-focus/id6762486364/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 26 MB |
| Requires iOS | 18.6 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Erdener Uyan](https://appshunter.io/developer/1843571074) | [Mehmet Abdulkadir Akdeniz](https://appshunter.io/developer/1894335885) |

## What reviewers say

### Entropy

[App page](https://appshunter.io/ios/app/entropy-zero/id6757635585)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Emergency Kit | $0.99 | one-time |
| Hacker Bundle | $2.99 | one-time |
| Developer Access | $4.99 | one-time |
| Survival Mode | $9.99 | one-time |


### FocusPlay

[App page](https://appshunter.io/ios/app/focusplay-adhd-and-focus/id6762486364)

Engage in 37 science-based mini-games designed to improve cognitive skills like focus, memory, and impulse control. Progress through 25 levels in each game and compete on leaderboards. Available in 8 languages.

**Highlights:** 37 cognitive training mini-games, Science-based game design, 25 levels per game, Global leaderboards, 8 language options, Ad-free premium experience

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Yearly Premium | $14.99 | per year |
| FocusPlay Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Entropy free?

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

### Is FocusPlay free?

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

### Do Entropy or FocusPlay have ads?

FocusPlay shows ads; Entropy does not.

### Which is updated more often, Entropy or FocusPlay?

Entropy ships an update every 2 weeks, and FocusPlay weekly. Most recently, Entropy was updated on September 17, 2026 and FocusPlay on September 11, 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.*