# Memory Jewels™ Brain Workout vs Simple Concentration Game

The clearest difference is update cadence: Memory Jewels™ Brain Workout at monthly against Simple Concentration Game's every 48 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Memory Jewels™ Brain Workout ships an update monthly, Simple Concentration Game every 48 months. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Memory Jewels™ Brain Workout | Simple Concentration Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (5.6K ratings)](https://appshunter.io/ios/app/memory-jewels-brain-workout/id945488537/reviews)** | — |
| Number of ratings | **5.6K** | — |
| Positive reviews | 93.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 48 months |
| Monetization | Ad-supported | — |
| Size | 58 MB | 101 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Boy Howdy Technology LLC](https://appshunter.io/developer/293910537) | [hideaki fukumura](https://appshunter.io/developer/1629984757) |

## What reviewers say

### Memory Jewels™ Brain Workout

[App page](https://appshunter.io/ios/app/memory-jewels-brain-workout/id945488537)

Engage in a classic card matching game designed to boost mental concentration and memory skills. Find pairs of emoji cards across various difficulty levels, aiming for the fewest taps to clear the board. Enjoy a relaxing, untimed experience with beautiful graphics and global leaderboards.

**Highlights:** Card matching gameplay, Multiple difficulty modes, Hundreds of emoji pictures, Untimed, relaxing play, Global leaderboards, Progress auto-save

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Relaxing and good for memory
- 👍 Helps with concentration
- 👍 Brain workout
- 👍 Keeps brain active
- 👍 Enjoyable and challenging

**What reviewers complain about**

- 🐛 Occasional freezing and crashing
- 🤔 Chinese characters can be confusing for non-Chinese speakers
- 🤔 Repetitive images can make it easy to remember previous game placements

**Reported bugs**

- Login screen freezes
- Incompatibility with older devices

**Requested features**

- More image options and variety
- Ability to change board layout
- Timing or competitive mode
- More advanced levels


### Simple Concentration Game

[App page](https://appshunter.io/ios/app/simple-concentration-game/id6444276614)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Memory Jewels™ Brain Workout free?

Memory Jewels™ Brain Workout is free to download, with no in-app purchases.

### Is Simple Concentration Game free?

Simple Concentration Game is free to download, with no in-app purchases.

### Do Memory Jewels™ Brain Workout or Simple Concentration Game have ads?

Both Memory Jewels™ Brain Workout and Simple Concentration Game show ads.

### Which is updated more often, Memory Jewels™ Brain Workout or Simple Concentration Game?

Memory Jewels™ Brain Workout ships an update monthly, and Simple Concentration Game every 48 months. Most recently, Memory Jewels™ Brain Workout was updated on October 30, 2026 and Simple Concentration Game on October 24, 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.*