# CASTDICE英単語帳 vs ViDic

The clearest difference is price: ViDic at Free against CASTDICE英単語帳's $17.99. ViDic also leads on update cadence (every 3 days vs every 5 weeks). CASTDICE英単語帳's advantage is in-app purchases (none vs 3). On ads, device support and iOS requirement there is nothing between them.

ViDic is free to download; CASTDICE英単語帳 costs $17.99 up front. ViDic sells 3 in-app purchases, starting at $5.99 per month. CASTDICE英単語帳 asks for nothing beyond the download.

CASTDICE英単語帳 ships an update every 5 weeks, ViDic every 3 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CASTDICE英単語帳 | ViDic |
| --- | --- | --- |
| Price | $17.99 | **Free** |
| Positive reviews | 85.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 days** |
| Monetization | Paid | — |
| Size | 116 MB | 182 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CAST DICE, K.K.](https://appshunter.io/developer/1651974899) | [WOOJIN BYUN](https://appshunter.io/developer/1819892201) |

## 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


### ViDic

[App page](https://appshunter.io/ios/app/vidic-visual-vocabulary/id6784075993)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $5.99 | per month |
| Premium Monthly | $5.99 | per month |
| Premium Yearly | $49.99 | 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 ViDic free?

ViDic is free to download, with in-app purchases available.

### Do CASTDICE英単語帳 or ViDic have ads?

Neither CASTDICE英単語帳 nor ViDic shows ads.

### Which is updated more often, CASTDICE英単語帳 or ViDic?

CASTDICE英単語帳 ships an update every 5 weeks, and ViDic every 3 days. Most recently, CASTDICE英単語帳 was updated on November 3, 2026 and ViDic 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.*