# CASTDICE英単語帳 vs TOEFL®でた単

The clearest difference is price: TOEFL®でた単 at $9.99 against CASTDICE英単語帳's $17.99. TOEFL®でた単 also leads on update cadence (every 2 days vs every 5 weeks) and review sentiment (100% vs 85%). CASTDICE英単語帳's advantage is in-app purchases (none vs 2). On ads, monetization model, device support and iOS requirement there is nothing between them.

CASTDICE英単語帳 costs $17.99 and TOEFL®でた単 $9.99 up front. TOEFL®でた単 sells 2 in-app purchases, starting at $1.99 per month. CASTDICE英単語帳 asks for nothing beyond the download.

CASTDICE英単語帳 ships an update every 5 weeks, TOEFL®でた単 every 2 days. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | CASTDICE英単語帳 | TOEFL®でた単 |
| --- | --- | --- |
| Price | $17.99 | **$9.99** |
| Positive reviews | 85.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 days** |
| Monetization | Paid | Paid |
| Size | 116 MB | 206 MB |
| Requires iOS | **15.0** | 15.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CAST DICE, K.K.](https://appshunter.io/developer/1651974899) | [Namiko Takahashi](https://appshunter.io/developer/1349212420) |

## What reviewers say

### CASTDICE英単語帳

[App page](https://appshunter.io/ios/app/castdice/id1563850616)

This app analyzes recent university entrance exam past papers using AI to compile a vocabulary list. Users can create custom English vocabulary books based on specific universities, departments, and time periods.

**Highlights:** AI analysis of past exam papers, Customizable vocabulary lists, University and department selection, Time period filtering, Vocabulary book creation

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

**In-app purchases:** none


### TOEFL®でた単

[App page](https://appshunter.io/ios/app/toefl/id6695751295)

This app helps you prepare for the TOEFL exam by providing a curated list of frequently appearing vocabulary words. It includes over 12,000 words, with a focus on scientific and medical terms relevant to the test. Users can also request the addition of new vocabulary.

**Highlights:** Extensive vocabulary list for TOEFL, Focus on high-frequency words, Includes scientific and medical terms, Custom vocabulary addition requests, Detailed word breakdowns by part of speech, Updated word data

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| でた単プレミアム 1ヶ月 | $1.99 | per month |
| でた単プレミアム 1年間 | $11.99 | per year |


## Frequently asked questions

### Is CASTDICE英単語帳 free?

CASTDICE英単語帳 costs $17.99, with no in-app purchases.

### Is TOEFL®でた単 free?

TOEFL®でた単 costs $9.99, and also offers in-app purchases.

### Do CASTDICE英単語帳 or TOEFL®でた単 have ads?

Neither CASTDICE英単語帳 nor TOEFL®でた単 shows ads.

### Which is updated more often, CASTDICE英単語帳 or TOEFL®でた単?

CASTDICE英単語帳 ships an update every 5 weeks, and TOEFL®でた単 every 2 days. Most recently, CASTDICE英単語帳 was updated on November 3, 2026 and TOEFL®でた単 on November 8, 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.*