# Memora X 日本史一問一答 vs AI Note

The clearest difference is ads: AI Note at none against Memora X 日本史一問一答's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Memora X 日本史一問一答 sells 1 one-off in-app purchase and AI Note sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Memora X 日本史一問一答 ships an update every 4 days, AI Note weekly. Both last shipped on November 6, 2026.

## The numbers

| Metric | Memora X 日本史一問一答 | AI Note |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 53.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 3 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Issei Sato](https://appshunter.io/developer/6791698667) | [hiroyuki matsuzaki](https://appshunter.io/developer/1867154216) |

## What reviewers say

### Memora X 日本史一問一答

[App page](https://appshunter.io/ios/app/memora-x/id6807089373)

This app offers a comprehensive Japanese history quiz experience for university entrance exams. It covers 20 years of past exam questions, allowing users to learn terms, dates, and essay topics. Features include spaced repetition, customizable difficulty, and progress tracking to aid memorization.

**Highlights:** 20 years of past exam questions, 4,305 quiz questions per year, Spaced repetition learning, Adjustable difficulty levels, Essay question practice, Customizable 'my wordbook'

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プラチナMAX会員（買い切り） | $5.99 | one-time |


### AI Note

[App page](https://appshunter.io/ios/app/ai-note/id6808557580)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro 月額 | $5.99 | per month |
| Pro 年額 | $49.99 | per year |
| 自分のキーで使う | $19.99 | one-time |


## Frequently asked questions

### Is Memora X 日本史一問一答 free?

Memora X 日本史一問一答 is free to download, with in-app purchases available.

### Is AI Note free?

AI Note is free to download, with in-app purchases available.

### Do Memora X 日本史一問一答 or AI Note have ads?

Memora X 日本史一問一答 shows ads; AI Note does not.

### Which is updated more often, Memora X 日本史一問一答 or AI Note?

Memora X 日本史一問一答 ships an update every 4 days, and AI Note weekly. Most recently, Memora X 日本史一問一答 was updated on November 6, 2026 and AI Note on November 6, 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.*