# Memora X 古文単語・常識 vs 古文単語 300

The clearest difference is in-app purchases: Memora X 古文単語・常識 at none against 古文単語 300's 1. Memora X 古文単語・常識 also leads on device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. 古文単語 300 sells 1 one-off in-app purchase. Memora X 古文単語・常識 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 14, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Memora X 古文単語・常識 | 古文単語 300 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 47 MB | 34 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Issei Sato](https://appshunter.io/developer/6791698667) | [KAZUHIRO ISHIBASHI](https://appshunter.io/developer/1865380440) |

## What reviewers say

### Memora X 古文単語・常識

[App page](https://appshunter.io/ios/app/memora-x/id6798133450)

Master classical Japanese vocabulary and cultural knowledge for university entrance exams. Features include image-based learning, a "difficult words" list, and progress tracking. Focus on memorization with a clean, ad-free interface.

**Highlights:** 3 comprehensive study books (vocabulary, advanced vocabulary, cultural knowledge), Image and example sentence learning, Automatic "difficult words" list, Swipe-based learning interface, Progress tracking and goal achievement stamps, Ad-free learning environment

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

**In-app purchases:** none


### 古文単語 300

[App page](https://appshunter.io/ios/app/300/id6802690910)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 全語を解放する | $3.99 | one-time |


## Frequently asked questions

### Is Memora X 古文単語・常識 free?

Memora X 古文単語・常識 is free to download, with no in-app purchases.

### Is 古文単語 300 free?

古文単語 300 is free to download, with in-app purchases available.

### Do Memora X 古文単語・常識 or 古文単語 300 have ads?

Both Memora X 古文単語・常識 and 古文単語 300 show ads.

### Which is updated more often, Memora X 古文単語・常識 or 古文単語 300?

Memora X 古文単語・常識 ships an update fortnightly, and 古文単語 300 fortnightly. Most recently, Memora X 古文単語・常識 was updated on October 14, 2026 and 古文単語 300 on September 30, 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.*