# Data Engineer Exam Prep vs VIL ENGLISH

The clearest difference is ads: Data Engineer Exam Prep at none against VIL ENGLISH's shown. VIL ENGLISH's advantage is update cadence (daily vs every 10 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Data Engineer Exam Prep sells 1 one-off in-app purchase and VIL ENGLISH sells 1 in-app purchase, starting at $3.99 per year. Whichever you choose, the download price is not the number that matters.

Data Engineer Exam Prep ships an update every 10 days, VIL ENGLISH daily. The most recent releases landed on October 25, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Data Engineer Exam Prep | VIL ENGLISH |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/vil-english/id6794310321/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Daily** |
| Monetization | — | Free with in-app purchases |
| Size | 106 MB | 163 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CHOI SEONGMIN](https://appshunter.io/developer/6772332527) | [Hai Nguyen Quang](https://appshunter.io/developer/6794310323) |

## What reviewers say

### Data Engineer Exam Prep

[App page](https://appshunter.io/ios/app/data-engineer-exam-prep/id6785744308)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $4.99 | one-time |


### VIL ENGLISH

[App page](https://appshunter.io/ios/app/vil-english/id6794310321)

Enhance your English skills with a comprehensive learning tool. It offers vocabulary building, news articles, a dictionary, flashcards with spaced repetition, and collocation practice. Explore words by topic and access destination books for targeted learning.

**Highlights:** Vocabulary in levels, News in levels, Dictionary, Words by topics, Flashcards with spaced repetition, Collocation with examples

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIL English Yearly subscription | $3.99 | per year |


## Frequently asked questions

### Is Data Engineer Exam Prep free?

Data Engineer Exam Prep is free to download, with in-app purchases available.

### Is VIL ENGLISH free?

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

### Do Data Engineer Exam Prep or VIL ENGLISH have ads?

VIL ENGLISH shows ads; Data Engineer Exam Prep does not.

### Which is updated more often, Data Engineer Exam Prep or VIL ENGLISH?

Data Engineer Exam Prep ships an update every 10 days, and VIL ENGLISH daily. Most recently, Data Engineer Exam Prep was updated on October 25, 2026 and VIL ENGLISH 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.*