# Oilcalcs vs ASTM PRO

The clearest difference is rating: Oilcalcs at 4.8 against ASTM PRO's 1.0. Oilcalcs also leads on price ($9.99 vs $14.99) and ratings volume (46 vs 1). On ads, in-app purchases, monetization model and device support there is nothing between them.

Oilcalcs costs $9.99 and ASTM PRO $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Oilcalcs holds the better App Store score, 4.8 against 1.0. That said, the two scores are not equally well evidenced: Oilcalcs has 46 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Oilcalcs | ASTM PRO |
| --- | --- | --- |
| Price | **$9.99** | $14.99 |
| Rating | **[4.8 (46 ratings)](https://appshunter.io/ios/app/oilcalcs/id612283154/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/astm-pro/id6502639446/reviews) |
| Number of ratings | **46** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Paid | Paid |
| Size | 2 MB | 1 MB |
| Requires iOS | 15.6 | **15.2** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ron mooring](https://appshunter.io/developer/612283157) | [Oleksii Nezhalskyi](https://appshunter.io/developer/1687730603) |

## What reviewers say

### Oilcalcs

[App page](https://appshunter.io/ios/app/oilcalcs/id612283154)

This app provides comprehensive calculations for professionals in the oil and gas industry. It offers versatile tools for volume and weight conversions, density corrections, and blending calculations, supporting various industry tables and units.

**Highlights:** Volume and weight conversions, Density correction for special applications, Viscosity, pour point, and flash point blender, LNG and LPG density calculators, Support for ASTM tables and units, Data export to database

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

**In-app purchases:** none


### ASTM PRO

[App page](https://appshunter.io/ios/app/astm-pro/id6502639446)

This application provides standardized tables for calculating petroleum quantities. It's designed for marine engineers and officers to ensure consistent measurements regardless of origin or units used.

**Highlights:** Standardized petroleum quantity calculation, Reference condition calculations, Supports multiple measurement systems, Applicable to crude oil and petroleum products, Designed for marine engineers

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

**In-app purchases:** none


## Frequently asked questions

### Is Oilcalcs free?

Oilcalcs costs $9.99, with no in-app purchases.

### Is ASTM PRO free?

ASTM PRO costs $14.99, with no in-app purchases.

### Which has better reviews, Oilcalcs or ASTM PRO?

Oilcalcs is rated higher. Oilcalcs averages 4.8 out of 5 from 46 ratings, while ASTM PRO averages 1.0 from 1 ratings.

### Do Oilcalcs or ASTM PRO have ads?

Neither Oilcalcs nor ASTM PRO 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.*