Petroleum Dictionary vs Petroleum VCF Basic
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Petroleum Dictionary
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.
- 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
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**** Petroleum Dictionary Offline ***** Welcome to Petroleum Dictionary Offline - the easiest way to learn Petroleum Terms fastly within your iPhones and iPads. Petroleum Dictionary is a free learning tool for those who work in the oil and gas industry. It is helpful to students and professionals who are in this industry, as well those who have years of experience. This tool provides an opportunity to understand all aspects and terms related to petrol, oil and gas. Petroleum engineering dictionary includes a dictionary that allows you to search a word, to find a definition and get an easy pictorial view of that particular item, and get a better understanding of it. With more than 5000 petroleum engineering Terms and lots of Engineering Equations and Formulas, this petroleum Learning App will sure built your basics of oil industry. For quick and SMART learning this petroleum Dictionary has a Quick Guide of most used formulas and equations. This Dictionary is full of numerous petroleum Quizzes to boost up your knowledge and challenge your learning. *********Features ******** - We have a very Easy Interface to use, so everyone can use it simply without watching any tutorial. We worked hard to make everything easier to you. In the main screen, you will be able to see all words. There, you can type the Petroleum terms and word that you are looking for and we will take care of finding the meanings of Petroleum Terms. - Start using our Petroleum Dictionary Offline app without creating an account, so, download it now and start using it within a few seconds. - Petroleum Dictionary Offline provide speech to Text functionality in to searching words. - Petroleum Dictionary Offline is free. No other hidden charges. - We will keep you updated with latest words in this Offline Petroleum Dictionary app. - It's Offline. So user need not any internet connection more. - Perfect app for travellers! This, will help you to learn and talk Petroleum Terms with people easily! - We developed a new quiz inside Petroleum dictionary Offline! To take the quiz, you can easily tap the option icon in the top left side of the screen and choose quiz. Now, you will see a word in the screen with 4 answers, you will have to tap the answer that you think its right to see if it’s the good choice or not. - Want to save a word meaning in the favourites? Tap the heart button and we will add this word automatically in your favourites. You can easily access to it anytime within the favourites choice in the options menu. - We have a integrated a text to speech feature to let you hear the Petroleum Terms that you are looking for. - Share any word and its meaning easily with your friends on other social media apps with the share word button in the bottom right side of the screen. - We will automatically save any word that you searched. You can easily access to it later within the history choice in the options menu. *Premium Subscription Plans* • Weekly Pro Plan: $1.99/month • Monthly Pro Plan: $4.99/month • Yearly Pro Plan: $29.99/year • Lifetime Access: $39.99 (one-time payment) Unlock Premium Features with a Subscription: • Unlimited Translations • Unlimited Word Searching • 100% Ad-Free Experience Subscription Terms: • Payment will be charged to your Apple ID account upon confirmation of purchase. • Subscriptions automatically renew unless canceled at least 24 hours before the end of the current billing period. • You can manage or cancel your subscription anytime by going to: Settings > Apple ID > Subscriptions. • Any unused portion of a free trial will be forfeited when you purchase a subscription. Download Now & Simplify Your Life! Privacy Policy: https://www.thedictionaryapps.com/dictionary/pvpolicy.html Terms of Use: https://www.thedictionaryapps.com/dictionary/terms.html EULA: https://www.thedictionaryapps.com/dictionary/eula.html For support or inquiries, please contact: puju.delvdiya@gmail.com
Petroleum VCF Basic
Calculate volume and density changes for various petroleum products due to temperature and pressure variations. Supports crude oil, refined products, and specialized oils. Requires minimum density and temperature data, with optional volume input.
- Volume and density change calculations
- Supports crude oil, refined products, and lube oils
- Calculations based on temperature and pressure
- Handles various density units
- Optional volume input for corrected volume
- Saves and recalls last performed calculation
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This app provides volume and/or densities changes calculations due to temperature and pressure changes. Calculations are for Crude Oil, Refined Products, Lube Oils, and Specialized products. Refined Products include gasolines, alkylate, naphtha, jet fuel, kerosene, diesel. Minimum data requirements are: Density (API, S.G. or kg/m3), temperature (°F) at which density was measured and pressure (PSI). A volume is not required, but if entered, the corrected volume will be calculated. The volume measurement conditions need be indicated: either at (1) the density temperature and pressure or (2) at the Alternate temperature and pressure. Volume units of measure are not required. The latest case performed is saved and can be recalled from memory. Base conditions are 60°F and 0 PSI . Based on API published correlations.
Screenshots
Verdict
The clearest difference is rating: Petroleum VCF Basic at 5.0 against Petroleum Dictionary's 4.4. Petroleum VCF Basic also leads on in-app purchases (none vs 5) and ads (none vs shown). Petroleum Dictionary's advantage is ratings volume (9 vs 2) and device support (3 vs 1). On price and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Petroleum Dictionary sells 5 in-app purchases, starting at $1.99 per 7 days. Petroleum VCF Basic asks for nothing beyond the download.
Petroleum VCF Basic holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 9 and 2 respectively.
Petroleum Dictionary ships an update every 9 months, Petroleum VCF Basic every 2 months. The most recent releases landed on September 12, 2026 and June 4, 2026 respectively.
| Parameter | Petroleum Dictionary | Petroleum VCF Basic |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (9 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 9 — better | 2 |
| Update frequency | Every 9 months | Every 2 months — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 16.1 |
| Further details — not scored | ||
| Size | 13 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Puju Dekivadiya | Jose Maldonado |
Customer experience
Petroleum Dictionary
Petroleum VCF Basic
In-app purchases
Petroleum Dictionary
- Weekly Pro Plan$1.997 Days
- Monthly Pro Plan$4.991 Month
- Yearly Pro Plan$29.991 Year
- Remove Ads$9.99
- Lifetime Access$39.99
Petroleum VCF Basic
No in-app purchases
Questions
Is Petroleum Dictionary free?
Is Petroleum VCF Basic free?
Which has better reviews, Petroleum Dictionary or Petroleum VCF Basic?
Do Petroleum Dictionary or Petroleum VCF Basic have ads?
Which is updated more often, Petroleum Dictionary or Petroleum VCF Basic?
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