# マスタン英単語 vs Climate Risk Exam Prep for SCR

The clearest difference is update cadence: Climate Risk Exam Prep for SCR at every 4 days against マスタン英単語's every 2 weeks. Climate Risk Exam Prep for SCR also leads on device support and iOS requirement (15.1 vs 17.0). On price and in-app purchases there is nothing between them.

Both are free to download. マスタン英単語 sells 2 in-app purchases, starting at $4.99 per month and Climate Risk Exam Prep for SCR sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

マスタン英単語 ships an update every 2 weeks, Climate Risk Exam Prep for SCR every 4 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | マスタン英単語 | Climate Risk Exam Prep for SCR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/toeic/id6760566858/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 35 MB | 97 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Norihiro Sakamoto](https://appshunter.io/developer/1885026853) | [CHOI SEONGMIN](https://appshunter.io/developer/6772332527) |

## What reviewers say

### マスタン英単語

[App page](https://appshunter.io/ios/app/toeic/id6760566858)

This app offers a comprehensive vocabulary builder with 15,000 words from beginner to native levels, categorized by difficulty. It includes a quick vocabulary test to determine your level and offers various learning methods like flashcards and quizzes. Pro plans unlock unlimited learning and features with a free trial.

**Highlights:** 15,000 words by difficulty, Vocabulary level assessment, Illustrations and example sentences, Multiple learning styles (flashcards, quizzes, typing), Spaced repetition system, Progress visualization

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro １ヶ月プラン | $4.99 | per month |
| Pro 年間プラン | $34.99 | per year |


### Climate Risk Exam Prep for SCR

[App page](https://appshunter.io/ios/app/climate-risk-exam-prep-for-scr/id6799637736)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $4.99 | one-time |


## Frequently asked questions

### Is マスタン英単語 free?

マスタン英単語 is free to download, with in-app purchases available.

### Is Climate Risk Exam Prep for SCR free?

Climate Risk Exam Prep for SCR is free to download, with in-app purchases available.

### Which is updated more often, マスタン英単語 or Climate Risk Exam Prep for SCR?

マスタン英単語 ships an update every 2 weeks, and Climate Risk Exam Prep for SCR every 4 days. Most recently, マスタン英単語 was updated on October 31, 2026 and Climate Risk Exam Prep for SCR on October 31, 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.*