# Concentrate! vs Logic Master

The clearest difference is in-app purchases: Concentrate! at none against Logic Master's 10. Concentrate! also leads on iOS requirement (8.0 vs 13.0). Logic Master's advantage is update cadence (weekly vs every 3 months) and ratings volume (118 vs 5). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Logic Master sells 10 one-off in-app purchases. Concentrate! asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.4 for Concentrate! against 4.5 for Logic Master. That said, the two scores are not equally well evidenced: Logic Master has 118 ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 83% of Concentrate!'s written reviews are positive against 91% of Logic Master's.

Concentrate! ships an update every 3 months, Logic Master weekly. The most recent releases landed on September 17, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Concentrate! | Logic Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (5 ratings)](https://appshunter.io/ios/app/concentrate/id490393546/reviews) | **[4.5 (118 ratings)](https://appshunter.io/ios/app/logic-master-brain-puzzles/id1194911580/reviews)** |
| Number of ratings | 5 | **118** |
| Positive reviews | 83.3% of reviews | **91.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 9 MB | 62 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [norbert nagy](https://appshunter.io/developer/328221395) | [Burak Sendag](https://appshunter.io/developer/542230273) |

## 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


### Logic Master

[App page](https://appshunter.io/ios/app/logic-master-brain-puzzles/id1194911580)

Engage your mind with a collection of over 200 unusual and tricky puzzles designed to challenge your cognitive abilities. Improve attention, memory, and problem-solving skills with creative gameplay and absurd solutions.

**Highlights:** 200+ unusual and tricky puzzles, Cognitive skill evaluation, Global leaderboards, Offline play, Creative problem-solving, Hand-drawn graphics

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Hints | $0.99 | one-time |
| 5 Hints | $0.99 | one-time |
| 10 Hints | $1.99 | one-time |
| Remove ads | $1.99 | one-time |
| Starter Pack | $3.99 | one-time |
| Half Price Offer | $4.99 | one-time |
| Low Coins Offer | $4.99 | one-time |
| 100 Hints | $9.99 | one-time |
| Mega Pack | $14.99 | one-time |
| Unlock all hints | $19.99 | one-time |


## Frequently asked questions

### Is Concentrate! free?

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

### Is Logic Master free?

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

### Which has better reviews, Concentrate! or Logic Master?

Logic Master is rated higher. Concentrate! averages 4.4 out of 5 from 5 ratings, while Logic Master averages 4.5 from 118 ratings.

### Do Concentrate! or Logic Master have ads?

Neither Concentrate! nor Logic Master shows ads.

### Which is updated more often, Concentrate! or Logic Master?

Concentrate! ships an update every 3 months, and Logic Master weekly. Most recently, Concentrate! was updated on September 17, 2026 and Logic Master on September 27, 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.*