Comparison

Afterimage Memory vs Speed Math The Game

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

Head to head
About

Afterimage Memory

Features
Read full description

Afterimage Memory is a simple brain-training game that challenges you to memorize numbers for a moment, then find the one that changed. Look at the numbers on the screen, remember their positions, and tap the number that is different from your memory. The rules are easy to understand, but each stage asks for sharper memory, wider visual attention, and faster reactions. Stage Mode lets you progress through 15 stages with increasing difficulty. As you clear stages, the number of items and grid density increase, creating a steady memory challenge. Score Challenge is built for high-score runs. Keep your streak alive, build combos, and aim for a new personal best. Game Center rankings, score sharing, and satisfying effects make it easy to return for daily brain training. Main features: - Tutorial stage explaining controls, score, difficulty, and time limit - 15-stage Stage Mode with progressive difficulty - Score Challenge for high-score runs - Combo display, best-score effects, and high-score celebration - Haptic feedback for correct and wrong answers - Sound and vibration settings - Game Center leaderboard support - Share your results Afterimage Memory is designed for quick sessions, spare moments, and daily memory training.

About

Speed Math The Game

This game offers a fun and fast-paced way to improve mental calculation skills. Solve a variety of math challenges, earn rewards, and track your progress. It's designed for anyone looking to become more confident with numbers.

Highlights
  • Fast mental math gameplay
  • Addition, subtraction, multiplication, division
  • Fractions, decimals, negative numbers, brackets
  • Multiple difficulty levels
  • Endless Mode
  • Progress tracking
  • Leaderboards
Features
Read full description

Speed Math The Game Train your brain, improve your math skills, and challenge yourself with fast-paced mental math! Speed Math The Game is designed for everyone who wants to become faster and more confident at mental calculation. Solve a wide variety of math challenges, earn stars, unlock new categories, and compete for high scores. Whether you're a student, an adult, or simply enjoy brain training, this game offers a fun and rewarding way to practice mathematics every day. Features • Fast and addictive mental math gameplay • Addition, subtraction, multiplication and division • Fractions, decimals, negative numbers and brackets • Multiple difficulty levels • Endless Mode with increasing challenge • Collect stars and unlock new content • Track your personal progress • Game Center leaderboards • Clean and easy-to-use interface Regular updates with new challenges and features are planned. Improve your concentration, sharpen your thinking, and master mental math one challenge at a time. Download Speed Math The Game and start training today!

Screenshots

Afterimage Memory4 screens
Speed Math The Game4 screens

Verdict

The call

The clearest difference is update cadence: Speed Math The Game at every 11 days against Afterimage Memory's monthly. 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

Afterimage Memory ships an update monthly, Speed Math The Game every 11 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 8 level
Afterimage Memory versus Speed Math The Game: the parameters behind the verdict, then further details
ParameterAfterimage MemorySpeed Math The Game
PriceFreeFree
Rating—3.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyMonthlyEvery 11 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size8 MB23 MB
Age rating4+4+
DeveloperYUICHI NAKATANIMark Koch

In-app purchases

None

Afterimage Memory

No in-app purchases

None

Speed Math The Game

No in-app purchases

Questions

Is Afterimage Memory free?
Afterimage Memory is free to download, with no in-app purchases.
Is Speed Math The Game free?
Speed Math The Game is free to download, with no in-app purchases.
Do Afterimage Memory or Speed Math The Game have ads?
Neither Afterimage Memory nor Speed Math The Game shows ads.
Which is updated more often, Afterimage Memory or Speed Math The Game?
Afterimage Memory ships an update monthly, and Speed Math The Game every 11 days. Most recently, Afterimage Memory was updated on November 1, 2026 and Speed Math The Game on October 31, 2026.

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