Comparison

Memory Jewels™ Brain Workout vs Simple Concentration Game

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Memory Jewels™ Brain Workout

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
Read full description

Give your brain some exercise and work on your memory in this classic game of finding matching cards! • Tap on cards to look for matching pairs • Matches are removed from the board • Try to clear the board in the fewest taps possible! • Seven difficulty modes! Easy (4x4), Light (5x5), Medium (6x6), Tricky (7x7), Hard (8x8), Harder (9x9), and Crazy (10x10) • NEW Very Easy (3x3) mode! • Hundreds of beautiful emoji pictures to memorize and match • Endless levels to challenge you! • No timer, so you can take your time and relax • Beautiful graphics! • Intuitive touch controls! • Compete against your friends and against everyone worldwide for the highest scores on Game Center • Your progress is automatically saved, all the time, so go ahead and take that call or jump out to any other apps - you can come back and pick up playing right where you left off! • Sounds can be disabled if you want a quiet game • You can even listen to your own music while you play Thanks for playing! Search for "Boy Howdy" to see all our free games! MEMORY JEWELS is a trademark of Boy Howdy Technology LLC

About

Simple Concentration Game

Features
Read full description

【Simple Concentration】 This is a game to find pairs of the same number and mark among the cards that have been turned over. In this application, you can choose from the following three types of patterns for the pairs you collect. You can enjoy the game with your favorite pattern. ・Playing cards ・Flags ・Animals There are also three levels. You can play the game at the level you want to challenge yourself and record your highest score. 【Recommended for】 It is very effective for brain training of memory. I hope you find it useful for brain training when you have time! It is completely free of charge, so please enjoy playing.

Screenshots

Memory Jewels™ Brain Workout2 screens
Simple Concentration Game4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard1 real difference · 9 level
Memory Jewels™ Brain Workout versus Simple Concentration Game: the parameters behind the verdict, then further details
ParameterMemory Jewels™ Brain WorkoutSimple Concentration Game
PriceFreeFree
Rating4.7 (5.6K ratings) — better—
Positive reviews93.0% of reviews—
Number of ratings5.6K — better—
Update frequencyMonthly — betterEvery 48 months
AdsYesYes
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size58 MB101 MB
Age rating4+4+
DeveloperBoy Howdy Technology LLChideaki fukumura

Bugs and requests

Memory Jewels™ Brain Workout

Reported bugs

2 issues
  • Login screen freezes
  • Incompatibility with older devices

Requested features

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

Simple Concentration Game

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Memory Jewels™ Brain Workout

No in-app purchases

None

Simple Concentration Game

No in-app purchases

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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