Comparison

Aikochan vs NumEar.JP

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

Head to head
About

Aikochan

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Learn Japanese Vocabulary with Apple Intelligence Tired of boring flashcards that make your eyes glaze over? Aikochan harnesses Apple Intelligence to generate personalized JLPT vocabulary cards on the fly. Every card comes with accurate furigana, natural example sentences, and AI-generated illustrations that help words stick in your memory. The best part? All AI processing happens right on your iPhone—no internet needed, no data uploaded, completely private. --- What You Get Smart Learning System • Powered by Apple Intelligence to generate JLPT N5-N1 vocabulary on demand • AI creates accurate furigana, meanings, and natural Japanese example sentences • Scientifically-proven spaced repetition system schedules reviews at optimal times • Three-stage progress tracking: New → Memorizing → Memorized Simple, Intuitive Controls • Swipe right when you need more practice • Swipe left when you've got it down • Tap to reveal answers and test yourself • Rate as Forgot/Good/Easy to adjust future review timing Rich Visual Features • Apple Intelligence auto-generates beautiful illustrations for vocabulary • Draw your own memory aids with Apple Pencil • Add photos from camera or library • Edit any image anytime Learn Anywhere • Home screen widgets rotate words every hour • Study without opening the app • Prioritizes cards due for review • One tap to dive deeper when you want --- Who Should Use Aikochan? You'll love this app if you're: • Preparing for JLPT and need to build vocabulary systematically • Tried other methods but words just won't stick • A visual learner who needs images to remember • Looking to use commute time productively • Privacy-conscious and don't want learning data in the cloud • Simply passionate about Japanese and want to improve steadily --- About Privacy We get it—learning records are personal. Some people study sensitive topics, others don't want anyone knowing their skill level. So Aikochan's design philosophy is simple: • No account required • No server connections • No data collection • Everything runs locally on your iPhone Your flashcards, progress, and test results live only on your device. --- System Requirements • iOS 18.4 or later • iPhone 15 Pro or newer recommended for full Apple Intelligence features • Older iPhones work too, but some features require manual input --- Bottom Line Aikochan uses Apple Intelligence to make learning Japanese vocabulary easier, more effective, more fun, and more private. You don't need hours every day—just consistency. Ready to get started? Download Aikochan and give yourself a real shot at mastering Japanese vocabulary.

About

NumEar.JP

Features
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NumEar helps you master listening to Japanese numbers through focused, bite-sized practice sessions. Hear a number spoken aloud, type what you hear, and get instant feedback. Whether you're learning Japanese as a second language or preparing for exams like JLPT, understanding spoken numbers is one of the trickiest skills to develop. NumEar makes it easy with structured training across a wide range of number types. WHAT YOU CAN PRACTICE - Integers: From single digits to 9-digit numbers, with both standard and grouped pronunciation - Decimals: Practice hearing decimal points and digit sequences - Time: 12-hour (AM/PM) and 24-hour formats - Dates: Month and day, with or without year - Weekdays: Hear a day name and select the correct one - Phone Numbers: 11-digit phone numbers read digit by digit SMART FEATURES - Rolling Stats: Track your accuracy and response time with per-category charts DESIGNED FOR LEARNERS - Clean, distraction-free interface with a custom numeric keypad - Replay any question as many times as you need - Response time measured from when audio starts — just like real listening - Works entirely offline — no internet required for practice

Screenshots

Aikochan4 screens
NumEar.JP4 screens

Verdict

The call

The clearest difference is in-app purchases: Aikochan at none against NumEar.JP's 1. Aikochan also leads on update cadence (daily vs weekly) and iOS requirement (18.4 vs 26.0). On price, ads 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. NumEar.JP sells 1 one-off in-app purchase. Aikochan asks for nothing beyond the download.

UpkeepUpdate frequency

Aikochan ships an update daily, NumEar.JP weekly. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.

Scorecard3 real differences · 3 level
Aikochan versus NumEar.JP: the parameters behind the verdict, then further details
ParameterAikochanNumEar.JP
PriceFreeFree
Update frequencyDaily — betterWeekly
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhoneiPhone, iPad — better
Requires iOS18.4 — better26.0
Further details — not scored
Size18 MB3 MB
Age rating4+4+
DeveloperCHI MIN LEEYE LIN

In-app purchases

None

Aikochan

No in-app purchases

1 purchases

NumEar.JP

One-time1
  • Support the Developer$0.99

Questions

Is Aikochan free?
Aikochan is free to download, with no in-app purchases.
Is NumEar.JP free?
NumEar.JP is free to download, with in-app purchases available.
Do Aikochan or NumEar.JP have ads?
Neither Aikochan nor NumEar.JP shows ads.
Which is updated more often, Aikochan or NumEar.JP?
Aikochan ships an update daily, and NumEar.JP weekly. Most recently, Aikochan was updated on September 30, 2026 and NumEar.JP on October 5, 2026.

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