Comparison

SpeedMath Trainer vs Memory Kanji

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

Head to head
About

SpeedMath Trainer

Engage in rapid, rhythm-based mental math exercises to boost focus, reaction time, and arithmetic skills. This app offers timed challenges with instant feedback and detailed performance tracking in a visually appealing interface.

Highlights
  • Short, timed mental math challenges
  • Rhythm-based problem solving
  • Performance tracking dashboards
  • Detailed results with breakdowns
  • Achievement sharing and friend challenges
  • Premium mode for full access and ad removal
Features
Read full description

Train your brain with fast, rhythm-based mental math. Solve calculations in sync with a steady tempo to sharpen your focus, reaction speed, and arithmetic accuracy. SpeedMath turns practice into an engaging experience with responsive stages, instant feedback, and a sleek cyber-inspired interface that visualizes your performance in real time. Key Features • Short, focused timed challenges for daily training • Rhythm-based problems that keep your mind engaged • Track accuracy, speed, and score trends with modern dashboards • Detailed results with per-question breakdown and bonuses • Share your achievements and challenge friends • Premium mode unlocks all stages and removes ads Recommended for • Adults who want to strengthen mental math and quick calculation skills • Commuters or busy users looking for a quick brain workout • Anyone who finds ordinary math apps too slow or boring Even a few minutes a day can sharpen your mind. Stay focused, react faster, and master mental math with a smarter way to train.

About

Memory Kanji

This app turns learning Japanese kanji into a fun memory card game. Match kanji with their readings and translations to improve recall and retention. It adapts to your study path and complements any learning method.

Highlights
  • Kanji matching memory game
  • Customizable kanji selection
  • JLPT N5, N4, N3 levels included
  • Offline functionality
  • Progress tracking with scoring
  • Multiple difficulty modes
Features
Read full description

Enhance your kanji learning with Memory Kanji! Based on the classic memory card game, this app transforms learning Japanese characters into an engaging experience: match each kanji with its correct reading and translation to earn points. An effective method to fix kanji in your long-term memory while having fun. Perfectly adapts to your study path The custom mode lets you select exactly the kanji you're studying as you encounter them in your textbook or Japanese course. Memory Kanji evolves along with your learning, providing targeted and always relevant support for your study goals. Effectively complements any study method Whether you're self-taught or attending a structured course, Memory Kanji is the ideal complementary tool to consolidate your knowledge. The app currently includes the complete libraries of JLPT levels N5, N4, and N3, perfect to use in parallel with any textbook or school program to achieve better results in less time. Key features Available in English, Italian, French, and German Over 600 kanji organized according to JLPT levels (N5, N4, and N3) Create your personal kanji library based on your study path Detailed kanji library with meanings and on'yomi and kun'yomi readings Search tool to quickly find a kanji by its reading or meaning Intuitive and attractive interface Variable difficulty modes (12 or 16 cards) Scoring system to track your progress Works completely offline Memory Kanji is the perfect ally for those who want to master Japanese kanji: an effective complementary tool that makes learning faster, more fun, and more lasting. Download Memory Kanji now and transform the study of Japanese characters into an exciting game!

Screenshots

SpeedMath Trainer4 screens
Memory Kanji4 screens

Verdict

The call

The clearest difference is price: SpeedMath Trainer at Free against Memory Kanji's $3.99. SpeedMath Trainer also leads on iOS requirement (16.6 vs 18.2). Memory Kanji's advantage is in-app purchases (none vs 1) and ads (none vs shown). On review sentiment 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

SpeedMath Trainer is free to download; Memory Kanji costs $3.99 up front. SpeedMath Trainer sells 1 one-off in-app purchase. Memory Kanji asks for nothing beyond the download.

Scorecard5 real differences · 3 level
SpeedMath Trainer versus Memory Kanji: the parameters behind the verdict, then further details
ParameterSpeedMath TrainerMemory Kanji
PriceFree — better$3.99
Positive reviews100.0% of reviews100.0% of reviews
Update frequencyWeekly—
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.6 — better18.2
Further details — not scored
Size66 MB6 MB
Age rating4+4+
DeveloperFumihiro KawasakiAntonio Cetrangolo

Customer experience

SpeedMath Trainer

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Memory Kanji

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

SpeedMath Trainer

One-time1
  • SpeedMath Premium$0.99
None

Memory Kanji

No in-app purchases

Questions

Is SpeedMath Trainer free?
SpeedMath Trainer is free to download, with in-app purchases available.
Is Memory Kanji free?
Memory Kanji costs $3.99, with no in-app purchases.
Do SpeedMath Trainer or Memory Kanji have ads?
SpeedMath Trainer shows ads; Memory Kanji does not.

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