# 英単語アプリTANZAM（タンザム） vs Duosub

英単語アプリTANZAM（タンザム） and Duosub are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. 英単語アプリTANZAM（タンザム） sells 10 in-app purchases, starting at $7.99 per month and Duosub sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

英単語アプリTANZAM（タンザム） ships an update every 3 weeks, Duosub every 4 weeks. The most recent releases landed on October 18, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | 英単語アプリTANZAM（タンザム） | Duosub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (179 ratings)](https://appshunter.io/ios/app/tanzam-toeic/id1554699067/reviews)** | — |
| Number of ratings | **179** | — |
| Positive reviews | 76.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Monetization | Freemium | — |
| Size | 245 MB | 95 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TANZAM Inc.](https://appshunter.io/developer/1554699069) | [GOWS LIMITED LIABILITY COMPANY](https://appshunter.io/developer/1734173309) |

## What reviewers say

### 英単語アプリTANZAM（タンザム）

[App page](https://appshunter.io/ios/app/tanzam-toeic/id1554699067)

Learn English vocabulary with engaging illustrations and example sentences. This app uses spaced repetition to help you memorize words efficiently and offers various word lists for exams like TOEIC and Eiken. It also includes features to keep you motivated and track your progress.

**Highlights:** Image-based learning with illustrations and example sentences, Spaced repetition for efficient memorization, Extensive word lists for TOEIC, Eiken, TOEFL, IELTS, and more, Motivation features like goal setting and progress tracking, Multiple learning modes, Customizable favorite word lists, Listening practice with audio playback, Flashcard-style memorization mode

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1ヶ月プラン | $7.99 | per month |
| 1ヶ月プラン | $11.99 | per month |
| 3ヶ月プラン | $19.99 | per 3 months |
| 3ヶ月プラン | $29.99 | per 3 months |
| 1年プラン | $49.99 | per year |
| 1年プラン | $59.99 | per year |
| 1年プラン | $59.99 | per year |
| ファミリープラン | $79.99 | per year |
| 2名プラン | $99.99 | per year |
| 4名プラン | $179.99 | per year |


### Duosub

[App page](https://appshunter.io/ios/app/duosub/id6507464076)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| チケット無制限プラン | $1.99 | per month |


## Frequently asked questions

### Is 英単語アプリTANZAM（タンザム） free?

英単語アプリTANZAM（タンザム） is free to download, with in-app purchases available.

### Is Duosub free?

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

### Do 英単語アプリTANZAM（タンザム） or Duosub have ads?

Neither 英単語アプリTANZAM（タンザム） nor Duosub shows ads.

### Which is updated more often, 英単語アプリTANZAM（タンザム） or Duosub?

英単語アプリTANZAM（タンザム） ships an update every 3 weeks, and Duosub every 4 weeks. Most recently, 英単語アプリTANZAM（タンザム） was updated on October 18, 2026 and Duosub on October 11, 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.*
