Comparison

Kanji Asap vs Numina

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

Head to head
About

Kanji Asap

This AI-powered application helps you learn the most essential Japanese Kanji characters efficiently. It uses custom AI models to create tailored sentences and a smart learning order, incorporating spaced repetition for better memory retention. Gamified elements like badges and leveling up make the learning process engaging.

Highlights
  • AI-powered sentence curation
  • Smart Kanji learning order
  • Spaced repetition review scheduler
  • Gamified learning with badges
  • Focus on essential Kanji
Features
Read full description

Discover the quickest path to mastering Kanji with Kanji ASAP! Our AI-powered app focuses on the top 1100 most essential Kanji characters, forming 90% of written Japanese. Say goodbye to obscure Kanji and hello to efficient learning. Our Features: AI-POWERED LEARNING •Our custom AI models curate native-written sentences tailored to your Kanji comprehension, making learning dynamic and engaging. EFFECTIVE & EFFICIENT •Follow a smart Kanji learning order that prioritizes simplicity and builds your skills progressively, inspired by "Remembering the Kanji." MEMORY-BOOSTING SCHEDULER •Keep Kanji characters fresh in your memory with our dynamic review scheduler, powered by the spaced repetition algorithm. GAMIFY YOUR LEARNING •Earn badges as you achieve milestones – study daily, answer questions, acquire characters, and create mnemonic aids. Level up your Kanji expertise while having fun.

About

Numina

Features
Read full description

Most people pull out their phone the second numbers appear. Numina trains you not to need it. Numina is a mental math training system designed to make calculation fast, automatic, and genuinely useful in real life. You learn the same kinds of techniques used by mental calculators — then train them until they feel effortless. Not school math. Speed math. Real mental performance. WHAT YOU’LL BE ABLE TO DO • Multiply large numbers in your head • Solve calculations faster than people using calculators • Instantly square numbers • Estimate quickly in everyday situations • Think through numbers without freezing or guessing • Build real calculation reflexes through repetition and drills And because the training is built like a skill game, you actually want to keep improving. HOW NUMINA WORKS Learn the technique → Train it immediately → Build automatic speed Every lesson connects directly to drills and gamemodes designed around one specific skill. You don’t just watch explanations — you use the technique right away until it becomes natural. Most lessons take under 5 minutes. You feel yourself getting faster almost immediately. — — — WHAT’S INSIDE • 350+ lessons and training modes • Mental math techniques schools never teach • Speed drills built around automaticity and reflexes • Calculator Challenge — race against a real calculator • Numina Rating (NR) — track your actual skill level • Progress tracking with speed and accuracy history • Structured collections for Business, Engineering, Finance, Science, Trades, and more — — — FREE VS PRO The free version gives you real techniques that already feel impressive. PRO unlocks the full training system: advanced methods, deeper drills, structured progression, performance tracking, and the complete path toward elite-level calculation ability. — — — This isn’t about being “good at math.” It’s about becoming fast. Start your first session in under a minute. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://numinamath.co/privacy

Screenshots

Kanji Asap4 screens
Numina4 screens

Verdict

The call

The clearest difference is update cadence: Kanji Asap at every 5 days against Numina's every 2 months. Kanji Asap also leads on iOS requirement (13.1 vs 15.1). 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. Kanji Asap sells 1 one-off in-app purchase and Numina sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Kanji Asap ships an update every 5 days, Numina every 2 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
Kanji Asap versus Numina: the parameters behind the verdict, then further details
ParameterKanji AsapNumina
PriceFreeFree
Rating4.6 (12 ratings) — better—
Positive reviews87.5% of reviews—
Number of ratings12 — better—
Update frequencyEvery 5 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.1 — better15.1
Further details — not scored
Size83 MB120 MB
Age rating4+4+
DeveloperAI LEARN-N LLCSVERRE ANKER LARSEN GROENAAS

In-app purchases

1 purchases

Kanji Asap

One-time1
  • One time purchase$5.99
2 purchases

Numina

Subscriptions2
  • Numina PRO$8.991 Month
  • Numina PRO7 Days trial$79.991 Year

Questions

Is Kanji Asap free?
Kanji Asap is free to download, with in-app purchases available.
Is Numina free?
Numina is free to download, with in-app purchases available.
Do Kanji Asap or Numina have ads?
Neither Kanji Asap nor Numina shows ads.
Which is updated more often, Kanji Asap or Numina?
Kanji Asap ships an update every 5 days, and Numina every 2 months. Most recently, Kanji Asap was updated on November 3, 2026 and Numina on October 31, 2026.

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