# Petroleum Dictionary vs Learn Petroleum Engineering

Petroleum Dictionary and Learn Petroleum Engineering both sit at 4.4 stars, but that hides the real split: 100% of Petroleum Dictionary's written reviews are positive against 0% of Learn Petroleum Engineering's. Petroleum Dictionary also leads on price (Free vs $1.99). Learn Petroleum Engineering's advantage is in-app purchases (none vs 5) and ads (none vs shown). On rating, ratings volume and device support there is nothing between them.

Petroleum Dictionary is free to download; Learn Petroleum Engineering costs $1.99 up front. Petroleum Dictionary sells 5 in-app purchases, starting at $1.99 per 7 days. Learn Petroleum Engineering asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.4 for Petroleum Dictionary against 4.5 for Learn Petroleum Engineering. Both are backed by a comparable volume of ratings — 9 and 4 respectively. Written reviews are what separate them: 100% of Petroleum Dictionary's written reviews are positive against 0% of Learn Petroleum Engineering's.

## The numbers

| Metric | Petroleum Dictionary | Learn Petroleum Engineering |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.4 (9 ratings)](https://appshunter.io/ios/app/petroleum-dictionary-offline/id1487805808/reviews) | **[4.5 (4 ratings)](https://appshunter.io/ios/app/learn-petroleum-engineering/id6448697779/reviews)** |
| Number of ratings | **9** | 4 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | — |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 13 MB | 35 MB |
| Requires iOS | 15.6 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Puju Dekivadiya](https://appshunter.io/developer/1289574712) | [Haroon Khalil](https://appshunter.io/developer/1685448939) |

## What reviewers say

### Petroleum Dictionary

[App page](https://appshunter.io/ios/app/petroleum-dictionary-offline/id1487805808)

This app provides a comprehensive offline dictionary for petroleum engineering terms, including definitions, equations, formulas, and quizzes. It offers features like speech-to-text, text-to-speech, and the ability to save favorites and view search history. It's designed for students and professionals in the oil and gas industry.

**Highlights:** Offline access to over 5000 petroleum terms, Includes engineering equations and formulas, Interactive quizzes to test knowledge, Speech-to-text and text-to-speech functionality, Save favorite terms and view search history, Easy-to-use interface

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro Plan | $1.99 | per 7 days |
| Monthly Pro Plan | $4.99 | per month |
| Yearly Pro Plan | $29.99 | per year |
| Remove Ads | $9.99 | one-time |
| Lifetime Access | $39.99 | one-time |


### Learn Petroleum Engineering

[App page](https://appshunter.io/ios/app/learn-petroleum-engineering/id6448697779)

This app provides a comprehensive guide to petroleum engineering, covering fundamental concepts and advanced topics. It explains the role of petroleum engineers in finding and extracting oil and gas, making processes safer and more efficient.

**Highlights:** Covers all major petroleum engineering topics, Explains working of petroleum machines, Details hydrocarbon extraction methods, Focuses on reservoir management, Discusses enhanced oil recovery techniques, Includes production engineering roles

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

**In-app purchases:** none


## Frequently asked questions

### Is Petroleum Dictionary free?

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

### Is Learn Petroleum Engineering free?

Learn Petroleum Engineering costs $1.99, with no in-app purchases.

### Which has better reviews, Petroleum Dictionary or Learn Petroleum Engineering?

Learn Petroleum Engineering is rated higher. Petroleum Dictionary averages 4.4 out of 5 from 9 ratings, while Learn Petroleum Engineering averages 4.5 from 4 ratings.

### Do Petroleum Dictionary or Learn Petroleum Engineering have ads?

Petroleum Dictionary shows ads; Learn Petroleum Engineering does not.

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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.*