# Flash Cards & Dictionary vs 下水道管理技術認定試験 | 2026年対策問題

The clearest difference is price: Flash Cards & Dictionary at Free against 下水道管理技術認定試験 | 2026年対策問題's $1.99. Flash Cards & Dictionary also leads on iOS requirement (15.0 vs 17.0). 下水道管理技術認定試験 | 2026年対策問題's advantage is in-app purchases (none vs 4) and ads (none vs shown). On device support there is nothing between them.

Flash Cards & Dictionary is free to download; 下水道管理技術認定試験 | 2026年対策問題 costs $1.99 up front. Flash Cards & Dictionary sells 4 in-app purchases, starting at $2.99 per month. 下水道管理技術認定試験 | 2026年対策問題 asks for nothing beyond the download.

## The numbers

| Metric | Flash Cards & Dictionary | 下水道管理技術認定試験 | 2026年対策問題 |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | 90.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 179 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kengo Kosakai](https://appshunter.io/developer/1632848454) | [Masaki Kobayashi](https://appshunter.io/developer/1882180437) |

## What reviewers say

### Flash Cards & Dictionary

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

Create and study with digital flashcards using a built-in dictionary. Import from photos or books, and test your knowledge with various quiz modes. Offers AI writing correction and ad-free experience with premium.

**Highlights:** Create flashcards from photos or books, Built-in dictionary for word lookup, 4-choice and listening quizzes, Automatic back-side input, AI-powered English writing correction (Premium), Import from commercial wordbooks

**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 |


### 下水道管理技術認定試験 | 2026年対策問題

[App page](https://appshunter.io/ios/app/2026/id6777250931)

**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 下水道管理技術認定試験 | 2026年対策問題 free?

下水道管理技術認定試験 | 2026年対策問題 costs $1.99, with no in-app purchases.

### Do Flash Cards & Dictionary or 下水道管理技術認定試験 | 2026年対策問題 have ads?

Flash Cards & Dictionary shows ads; 下水道管理技術認定試験 | 2026年対策問題 does not.

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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.*