# 耳から覚える N3 vs Hack Kanji AI

The clearest difference is ads: Hack Kanji AI at none against 耳から覚える N3's shown. 耳から覚える N3's advantage is update cadence (every 2 days vs fortnightly) and iOS requirement (13.0 vs 16.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

耳から覚える N3 ships an update every 2 days, Hack Kanji AI fortnightly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 耳から覚える N3 | Hack Kanji AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/hack-kanji-ai/id6739555322/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Fortnightly |
| Monetization | — | Free |
| Size | 108 MB | 120 MB |
| Requires iOS | **13.0** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yuta Takehara](https://appshunter.io/developer/1688827032) | [Son Le Long](https://appshunter.io/developer/1537534911) |

## What reviewers say

### 耳から覚える N3

[App page](https://appshunter.io/ios/app/n3-n1/id6466640018)

**Features:** macOS Compatibility

**In-app purchases:** none


### Hack Kanji AI

[App page](https://appshunter.io/ios/app/hack-kanji-ai/id6739555322)

Learn Japanese Kanji with a free, gamified app designed for Vietnamese speakers. It uses a science-based memorization method and offers AI-powered pronunciation practice, writing exercises, and JLPT/JFT preparation.

**Highlights:** 2136 Kanji characters and 241 radicals, N5-N1 level classification, AI-powered pronunciation practice, Interactive Kanji writing exercises, Gamified learning with progress tracking, JLPT and JFT preparation

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 耳から覚える N3 free?

耳から覚える N3 is free to download, with no in-app purchases.

### Is Hack Kanji AI free?

Hack Kanji AI is free to download, with no in-app purchases.

### Do 耳から覚える N3 or Hack Kanji AI have ads?

耳から覚える N3 shows ads; Hack Kanji AI does not.

### Which is updated more often, 耳から覚える N3 or Hack Kanji AI?

耳から覚える N3 ships an update every 2 days, and Hack Kanji AI fortnightly. Most recently, 耳から覚える N3 was updated on October 27, 2026 and Hack Kanji AI on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*