# CASTDICE英単語帳・Lite版 vs ココタン

The clearest difference is ads: ココタン at none against CASTDICE英単語帳・Lite版's shown. ココタン also leads on update cadence (every 3 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CASTDICE英単語帳・Lite版 ships an update every 2 months, ココタン every 3 days. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | CASTDICE英単語帳・Lite版 | ココタン |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 70.6% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Ad-supported | — |
| Size | 116 MB | 82 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CAST DICE, K.K.](https://appshunter.io/developer/1651974899) | [KOKOMIRAI, K.K.](https://appshunter.io/developer/1663398018) |

## 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


### ココタン

[App page](https://appshunter.io/ios/app/id6642667955)

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

**In-app purchases:** none


## 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 ココタン free?

ココタン is free to download, with no in-app purchases.

### Do CASTDICE英単語帳・Lite版 or ココタン have ads?

CASTDICE英単語帳・Lite版 shows ads; ココタン does not.

### Which is updated more often, CASTDICE英単語帳・Lite版 or ココタン?

CASTDICE英単語帳・Lite版 ships an update every 2 months, and ココタン every 3 days. Most recently, CASTDICE英単語帳・Lite版 was updated on October 7, 2026 and ココタン on October 2, 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.*