# Flash Cards & Dictionary vs 改 理解を深める 核心古文単語351

The clearest difference is in-app purchases: 改 理解を深める 核心古文単語351 at none against Flash Cards & Dictionary's 4. 改 理解を深める 核心古文単語351 also leads on ads (none vs shown) and update cadence (every 3 days vs weekly). On price and device support there is nothing between them.

Both are free to download. Flash Cards & Dictionary sells 4 in-app purchases, starting at $2.99 per month. 改 理解を深める 核心古文単語351 asks for nothing beyond the download.

Flash Cards & Dictionary ships an update weekly, 改 理解を深める 核心古文単語351 every 3 days. The most recent releases landed on September 18, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Flash Cards & Dictionary | 改 理解を深める 核心古文単語351 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 90.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 186 MB | 22 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kengo Kosakai](https://appshunter.io/developer/1632848454) | [SYOBUN SHUPPAN CO.LTD.](https://appshunter.io/developer/1224576325) |

## What reviewers say

### Flash Cards & Dictionary

[App page](https://appshunter.io/ios/app/flash-cards-and-dictionary/id1632848452)

Create and study with custom flashcards using a built-in dictionary and quiz modes. Import from photos or books, and utilize AI for writing correction. Offers free basic features with an optional premium subscription for enhanced functionality.

**Highlights:** Create custom flashcards, Built-in dictionary lookup, 4-choice and listening quizzes, Import from photos/books, AI English writing correction, Generate mini-tests

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan (1 Month) | $2.99 | per month |
| Premium Plan (Annual) | $29.99 | per year |
| Business Monthly | $29.99 | per month |
| Business annual | $299.99 | per year |


### 改 理解を深める 核心古文単語351

[App page](https://appshunter.io/ios/app/351/id6444208641)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flash Cards & Dictionary free?

Flash Cards & Dictionary is free to download, with in-app purchases available.

### Is 改 理解を深める 核心古文単語351 free?

改 理解を深める 核心古文単語351 is free to download, with no in-app purchases.

### Do Flash Cards & Dictionary or 改 理解を深める 核心古文単語351 have ads?

Flash Cards & Dictionary shows ads; 改 理解を深める 核心古文単語351 does not.

### Which is updated more often, Flash Cards & Dictionary or 改 理解を深める 核心古文単語351?

Flash Cards & Dictionary ships an update weekly, and 改 理解を深める 核心古文単語351 every 3 days. Most recently, Flash Cards & Dictionary was updated on September 18, 2026 and 改 理解を深める 核心古文単語351 on September 21, 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.*