# CASTDICE英単語帳・Lite版 vs TOEFL®でた単

The clearest difference is price: CASTDICE英単語帳・Lite版 at Free against TOEFL®でた単's $9.99. CASTDICE英単語帳・Lite版 also leads on in-app purchases (none vs 2). TOEFL®でた単's advantage is ads (none vs shown) and update cadence (every 2 days vs every 2 months). On device support and iOS requirement there is nothing between them.

CASTDICE英単語帳・Lite版 is free to download; TOEFL®でた単 costs $9.99 up front. TOEFL®でた単 sells 2 in-app purchases, starting at $1.99 per month. CASTDICE英単語帳・Lite版 asks for nothing beyond the download.

CASTDICE英単語帳・Lite版 ships an update every 2 months, TOEFL®でた単 every 2 days. The most recent releases landed on November 3, 2026 and November 14, 2026 respectively.

## The numbers

| Metric | CASTDICE英単語帳・Lite版 | TOEFL®でた単 |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Positive reviews | 70.6% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| 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・Lite版

[App page](https://appshunter.io/ios/app/castdicelite/id1558021562)

This app analyzes university entrance exam past papers from the last 10 years using AI to create custom English vocabulary lists. Users can specify universities, departments, and periods to generate vocabulary based on past exam questions. This trial version has limited features and includes advertisements.

**Highlights:** AI analysis of past exam papers, Customizable vocabulary lists, Specify university, department, and period, Focus on high-frequency words, Trial version with limited features

**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 focuses on vocabulary essential for TOEFL preparation, featuring over 12,000 words with a curated selection of high-frequency terms. It includes specialized vocabulary for science and medicine, tailored to Japanese high school education standards. Users can also request the addition of new words.

**Highlights:** Extensive TOEFL vocabulary lists, Curated high-frequency words, Specialized science and medical terms, User word request feature, Detailed word breakdown by part of speech

**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・Lite版 free?

CASTDICE英単語帳・Lite版 is free to download, 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・Lite版 or TOEFL®でた単 have ads?

CASTDICE英単語帳・Lite版 shows ads; TOEFL®でた単 does not.

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

CASTDICE英単語帳・Lite版 ships an update every 2 months, and TOEFL®でた単 every 2 days. Most recently, CASTDICE英単語帳・Lite版 was updated on November 3, 2026 and TOEFL®でた単 on November 14, 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.*