# Concentration Grid — user reviews

> 7 indexed App Store user reviews of Concentration Grid by STALWART GROUP LLC, rated 4.30/5 from 7 ratings.

- Source: https://appshunter.io/ios/app/concentration-grid/id1066366174/reviews
- App overview in markdown: https://appshunter.io/ios/app/concentration-grid/id1066366174.md
- Rating breakdown: 5★ 4 · 4★ 2 · 3★ 0 · 2★ 1 · 1★ 0

## Most critical reviews (7 lowest-rated)

### 1/5 — Not impressed...

*2019-04-07*

Game often freezes and blanks to a white screen constantly.

**Developer response:** Sorry to hear of your unhappiness.  Is this a genuine review?   Our testing indicates no systemic performance problems.  It is possible that memory management issues on your device could affect the performance of your apps.  Please retry and report back.  Details will help us if the problem you believe to support your negative review persists.  There should not be any such problems with the latest version of the app.

### 2/5 — The screen keeps going white & freezing

*2019-02-04, version 2.0*

The screen keeps getting stuck and going white

### 3/5 — Glitches

*2018-06-24*

Very much enjoy this game; the setup is basic but functional. Since purchasing the app, I’ve found there are a lot of times where the game will freeze - most often after finishing a grid and attempting to go back to the home screen the screen will go white and freeze, requiring the app to be closed then reopened. This occasionally happens during playing of a grid as well. It is annoying, but as the app is inexpensive it is somewhat tolerable. Hopefully the creators will help to fix this issue in future updates!

**Developer response:** We don’t experience that issue.  Can you provide more information please.  Have any problems persisted after you updated to the latest version?

### 4/5 — Cool game

*2018-05-30, version 2.0*

I recommend this game. It looks like they’ve fixed the bugs and made some improvements.

### 4/5 — Fun App

*2016-04-10, version 1.1*

Good brain exercise!

### 5/5 — Great app!

*2018-09-20, version 2.0*

Great brain exercise and good way to pass time! The only thing that (somewhat) interferes with my ability to find the number I’m looking for is when the red numbers are all over the grid. That forces me to look very carefully.

### 5/5 — Very great app!

*2018-04-20, version 1.7*

This game is an very helpful brain exercise, that helps you focus and concentrate. It can be used for personal use, or for sports. I love to use this before games to get in an focused mindset.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-10.*