# Space Telescope vs 영 단어즙

The clearest difference is price: 영 단어즙 at Free against Space Telescope's $2.99. 영 단어즙 also leads on device support (3 vs 1) and iOS requirement (15.6 vs 26.4). Space Telescope's advantage is update cadence (every 2 months vs every 33 months). On ads and in-app purchases there is nothing between them.

영 단어즙 is free to download; Space Telescope costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Space Telescope ships an update every 2 months, 영 단어즙 every 33 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Space Telescope | 영 단어즙 |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/id1480979760/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 33 months |
| Monetization | — | Free |
| Size | 64 MB | 20 MB |
| Requires iOS | 26.4 | **15.6** |
| Devices | Apple TV | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Taphive GmbH](https://appshunter.io/developer/466416247) | [별책](https://appshunter.io/developer/569035377) |

## What reviewers say

### Space Telescope

[App page](https://appshunter.io/ios/app/space-telescope/id1058854362)

**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 Space Telescope free?

Space Telescope costs $2.99, with no in-app purchases.

### Is 영 단어즙 free?

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

### Do Space Telescope or 영 단어즙 have ads?

Neither Space Telescope nor 영 단어즙 shows ads.

### Which is updated more often, Space Telescope or 영 단어즙?

Space Telescope ships an update every 2 months, and 영 단어즙 every 33 months. Most recently, Space Telescope was updated on November 2, 2026 and 영 단어즙 on November 3, 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.*