# RUB mobile vs 영 단어즙

The clearest difference is update cadence: RUB mobile at every 6 months against 영 단어즙's every 33 months. 영 단어즙's advantage is review sentiment (100% vs 80%). On price, ads, in-app purchases and monetization model there is nothing between them.

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

RUB mobile ships an update every 6 months, 영 단어즙 every 33 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | RUB mobile | 영 단어즙 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/id1480979760/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 33 months |
| Monetization | Free | Free |
| Size | 23 MB | 20 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Ruhr-Universitaet Bochum](https://appshunter.io/developer/476630475) | [별책](https://appshunter.io/developer/569035377) |

## What reviewers say

### RUB mobile

[App page](https://appshunter.io/ios/app/rub-mobile/id476630472)

This app provides essential information and services for students and prospective students of Ruhr University Bochum. Access your student ID, campus news, dining hall menus, and the university library catalog.

**Highlights:** Student ID access, Latest news updates, Social media integration, Dining hall menus, Course directory, University library catalog

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

**In-app purchases:** none


### 영 단어즙

[App page](https://appshunter.io/ios/app/id1480979760)

This app offers a concentrated approach to learning English vocabulary through daily, bite-sized "juice" extractions. It uses a quiz format to help users memorize words, tracking incorrect answers for targeted review. Various visual styles and an integrated English-English dictionary enhance the learning experience.

**Highlights:** Daily vocabulary "juice" extraction, Quiz-based learning format, Tracking of incorrect words for review, Integrated Oxford English-English dictionary, Native speaker pronunciation audio, iCloud data synchronization, Customizable learning deadlines

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

**In-app purchases:** none


## Frequently asked questions

### Is RUB mobile free?

RUB mobile is free to download, with no in-app purchases.

### Is 영 단어즙 free?

영 단어즙 is free to download, with no in-app purchases.

### Do RUB mobile or 영 단어즙 have ads?

Neither RUB mobile nor 영 단어즙 shows ads.

### Which is updated more often, RUB mobile or 영 단어즙?

RUB mobile ships an update every 6 months, and 영 단어즙 every 33 months. Most recently, RUB mobile was updated on October 23, 2026 and 영 단어즙 on October 24, 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.*