# Concentrate! vs Skillz

The clearest difference is in-app purchases: Concentrate! at none against Skillz's 4. Concentrate! also leads on review sentiment (83% vs 53%) and iOS requirement (8.0 vs 16.0). Skillz's advantage is update cadence (every 3 weeks vs every 3 months) and ratings volume (61 vs 5). On price, rating, ads and device support there is nothing between them.

Both are free to download. Skillz sells 4 in-app purchases, starting at $4.99 per month. Concentrate! asks for nothing beyond the download.

Concentrate! holds the better App Store score, 4.4 against 4.2. That said, the two scores are not equally well evidenced: Skillz has 61 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 83% of Concentrate!'s written reviews are positive against 53% of Skillz's.

Concentrate! ships an update every 3 months, Skillz every 3 weeks. The most recent releases landed on October 4, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Concentrate! | Skillz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (5 ratings)](https://appshunter.io/ios/app/concentrate/id490393546/reviews)** | [4.2 (61 ratings)](https://appshunter.io/ios/app/skillz-brain-training-games/id1332466209/reviews) |
| Number of ratings | 5 | **61** |
| Positive reviews | **83.3% of reviews** | 53.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 9 MB | 67 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [norbert nagy](https://appshunter.io/developer/328221395) | [Prashanthi G](https://appshunter.io/developer/1213417446) |

## What reviewers say

### Concentrate!

[App page](https://appshunter.io/ios/app/concentrate/id490393546)

Test and improve your focus and reaction time with a color-matching game.  The objective is to correctly identify if the displayed color word matches its font color, aiming for speed and accuracy.

**Highlights:** Color word-font color matching, Tests concentration, Measures reaction speed, Game Center Leaderboards, Single-player mode

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

**In-app purchases:** none


### Skillz

[App page](https://appshunter.io/ios/app/skillz-brain-training-games/id1332466209)

Engage in a variety of brain-training games designed to test and improve memory, concentration, focus, and logic. Unlock new games by earning medals and enjoy pure entertainment with meaningful cognitive challenges.

**Highlights:** Memory, Concentration, Focus, Logic games, 300+ levels across 20 unique games, Test and train cognitive skills, Unlock new games by earning medals, Pure entertainment with cognitive challenges, Multiple game categories

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Features | $4.99 | per month |
| Unlock All Games | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |
| Pro Version | $2.99 | one-time |


## Frequently asked questions

### Is Concentrate! free?

Concentrate! is free to download, with no in-app purchases.

### Is Skillz free?

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

### Which has better reviews, Concentrate! or Skillz?

Concentrate! is rated higher. Concentrate! averages 4.4 out of 5 from 5 ratings, while Skillz averages 4.2 from 61 ratings.

### Do Concentrate! or Skillz have ads?

Neither Concentrate! nor Skillz shows ads.

### Which is updated more often, Concentrate! or Skillz?

Concentrate! ships an update every 3 months, and Skillz every 3 weeks. Most recently, Concentrate! was updated on October 4, 2026 and Skillz on October 22, 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.*