# PDE Data Engineer Exam Prep vs VIL ENGLISH

The clearest difference is in-app purchases: PDE Data Engineer Exam Prep at none against VIL ENGLISH's 1. PDE Data Engineer Exam Prep also leads on ads (none vs shown). VIL ENGLISH's advantage is update cadence (daily vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. VIL ENGLISH sells 1 in-app purchase, starting at $3.99 per year. PDE Data Engineer Exam Prep asks for nothing beyond the download.

PDE Data Engineer Exam Prep ships an update every 3 months, VIL ENGLISH daily. Both last shipped on October 11, 2026.

## The numbers

| Metric | PDE 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 | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Daily** |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 163 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Davy Raitt](https://appshunter.io/developer/1795318281) | [Hai Nguyen Quang](https://appshunter.io/developer/6794310323) |

## What reviewers say

### PDE Data Engineer Exam Prep

[App page](https://appshunter.io/ios/app/pde-data-engineer-exam-prep/id6757119609)

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

**In-app purchases:** none


### 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 PDE Data Engineer Exam Prep free?

PDE Data Engineer Exam Prep is free to download, with no in-app purchases.

### Is VIL ENGLISH free?

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

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

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

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

PDE Data Engineer Exam Prep ships an update every 3 months, and VIL ENGLISH daily. Most recently, PDE Data Engineer Exam Prep was updated on October 11, 2026 and VIL ENGLISH on October 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*