# Petroleum Dictionary Pro vs Petroleum Engineering+

The clearest difference is in-app purchases: Petroleum Dictionary Pro at none against Petroleum Engineering+'s 6. Petroleum Dictionary Pro also leads on iOS requirement (9.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Petroleum Engineering+ sells 6 in-app purchases, starting at $9.99 per month. Petroleum Dictionary Pro asks for nothing beyond the download.

## The numbers

| Metric | Petroleum Dictionary Pro | Petroleum Engineering+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/petroleum-engineering-plus/id6746214573/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 15 MB | 18 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Donik Ariyanto](https://appshunter.io/developer/1325008963) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## What reviewers say

### Petroleum Dictionary Pro

[App page](https://appshunter.io/ios/app/petroleum-dictionary-pro/id1495824338)

**Features:** macOS Compatibility

**In-app purchases:** none


### Petroleum Engineering+

[App page](https://appshunter.io/ios/app/petroleum-engineering-plus/id6746214573)

Master petroleum engineering concepts through engaging quizzes covering a wide range of topics from geology to production. Ideal for students and professionals seeking to enhance their knowledge and skills in the oil and gas industry.

**Highlights:** Comprehensive quiz coverage, Topics from geology to production, Boost knowledge and skills, Engaging learning experience, Suitable for students and professionals

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $9.99 | per month |
| 6 Months | $19.99 | per 6 months |
| 1 Year | $29.99 | per year |
| 1500 | $0.99 | one-time |
| 3500 | $1.99 | one-time |
| 9000 | $3.99 | one-time |


## Frequently asked questions

### Is Petroleum Dictionary Pro free?

Petroleum Dictionary Pro is free to download, with no in-app purchases.

### Is Petroleum Engineering+ free?

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

### Do Petroleum Dictionary Pro or Petroleum Engineering+ have ads?

Neither Petroleum Dictionary Pro nor Petroleum Engineering+ shows ads.

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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.*