Comparison

Number Memory vs Reaction Grid Reflex

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

Head to head
About

Number Memory

Features
Read full description

How sharp is your brain? Number Memory puts your working memory and reaction speed to the test — then gives you a Brain Age score that tells you exactly where you stand. HOW IT WORKS Two modes. One goal: find out what your brain is actually capable of. • NUMBER MEMORY Numbered circles flash onto the screen in random positions. Study them. When they vanish, tap them back in order — 1, 2, 3 — purely from memory. Nail every round and a new circle gets added. One wrong tap ends the game. Your Brain Age is calculated from the level you reached, your accuracy, and how quickly you tapped. • REACTION TIME Five rounds. The screen flashes green — tap as fast as you can. Your average response time is recorded in milliseconds and your personal best is saved automatically. YOUR BRAIN AGE SCORE An algorithm combines your level, accuracy, and tap speed into a single Brain Age number, paired with a label: Legendary Ā· Master Ā· Expert Ā· Great Ā· Average Ā· Almost Ā· Keep Going Ā· Try Again. The score is a fun, motivating benchmark — chase it every session. TRACK YOUR PROGRESS - Best level ever reached - Best Brain Age score - Current streak counter - Bar chart of your last N games - Recent game history at a glance SHARE YOUR RESULT Your result card is shareable directly from the result screen — challenge anyone you like. REMOVE ADS A single one-time purchase removes banner, interstitial, and rewarded ads permanently. Second-chance and hint features stay free for everyone. PRIVATE BY DESIGN No account. No sign-up. No server. All data stays on your device and the app works fully offline. WHAT SCORES LOOK LIKE IN PRACTICE Beginners typically reach level 4–5. Average players land around 6–8. People with strong working memory often hit level 10–12 or beyond. Where will you fall? FEATURES AT A GLANCE • Two brain-training modes: Number Memory + Reaction Time • Brain Age score with 8 performance labels • Personal-best tracking and streak counter • Bar chart history of recent sessions • Shareable result card • One-time Remove Ads purchase • No account required — works 100% offline • All data stored locally on device For entertainment only — not a medical assessment. Download Number Memory now and find out your Brain Age.

About

Reaction Grid Reflex

Features
Read full description

Reaction Grid is a fast, minimal reflex game: a cell lights up on the grid - tap it before it's gone. Simple to learn, genuinely hard to master. HOW IT WORKS A random cell activates. Hit it fast for a higher rank and bonus points; miss or hesitate and your streak breaks. Every session tracks your score, accuracy, average and best reaction time, and longest streak. SINGLE PLAYER Sharpen your reflexes and climb the ranks - from Standard Hit all the way to Perfect Hit. A full performance report after every round shows exactly how sharp you were. TWO-PLAYER DUEL (Premium) Hand one phone to a friend and go head-to-head on the same screen - split grid, one timer, one winner. No second device needed. MADE TO FIT YOU - Two visual themes: warm "Reflex Lab" and cool "Synapse" - Three grid sizes (4x4, 8x8, 16x16) - Three difficulty levels and session lengths (1 / 3 / 5 min) - Full English and Turkish support PREMIUM Reaction Grid is free to play with ads between single-player games. Upgrade to Premium for: - Same-screen two-player duel mode - A completely ad-free experience Premium is an auto-renewable subscription, offered monthly or yearly (yearly is the best value). Prices are shown in your local currency on the Premium screen before purchase. Payment is charged to your Apple ID at confirmation. The subscription renews automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://reaction-grid-legal.pages.dev/privacy See it, tap it. That's the whole game - and it's harder than it sounds.

Screenshots

Number Memory4 screens
Reaction Grid Reflex4 screens

Verdict

The call

The clearest difference is in-app purchases: Number Memory at none against Reaction Grid Reflex's 2. On price, ads, device support and iOS requirement there is nothing between them.

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Reaction Grid Reflex sells 2 in-app purchases, starting at $1.99 per month. Number Memory asks for nothing beyond the download.

Scorecard1 real difference Ā· 5 level
Number Memory versus Reaction Grid Reflex: the parameters behind the verdict, then further details
ParameterNumber MemoryReaction Grid Reflex
PriceFreeFree
Update frequencyWeekly—
AdsYesYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size27 MB36 MB
Age rating4+4+
DeveloperIclal KABATASMuhammed Furkan KUCUK

In-app purchases

None

Number Memory

No in-app purchases

2 purchases

Reaction Grid Reflex

Subscriptions2
  • Premium (Monthly)$1.991 Month
  • Premium (Yearly)$19.991 Year

Questions

Is Number Memory free?
Number Memory is free to download, with no in-app purchases.
Is Reaction Grid Reflex free?
Reaction Grid Reflex is free to download, with in-app purchases available.
Do Number Memory or Reaction Grid Reflex have ads?
Both Number Memory and Reaction Grid Reflex show ads.

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