# Saybolt Conformancy vs ASTM PRO

The clearest difference is price: Saybolt Conformancy at Free against ASTM PRO's $14.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Saybolt Conformancy is free to download; ASTM PRO costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Saybolt Conformancy | ASTM PRO |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/astm-pro/id6502639446/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | — | Paid |
| Size | 1 MB | 1 MB |
| Requires iOS | **14.0** | 15.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Saybolt International B.V.](https://appshunter.io/developer/493919167) | [Oleksii Nezhalskyi](https://appshunter.io/developer/1687730603) |

## What reviewers say

### Saybolt Conformancy

[App page](https://appshunter.io/ios/app/saybolt-conformancy/id1499783769)

**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 Saybolt Conformancy free?

Saybolt Conformancy is free to download, with no in-app purchases.

### Is ASTM PRO free?

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

### Do Saybolt Conformancy or ASTM PRO have ads?

Neither Saybolt Conformancy 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.*