Comparison

Bunker One vs ASTM PRO

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Bunker One

This app provides a suite of calculators for marine fuel standards, including CCAI, Cetan Index, and blending calculations. It supports ISO 8217 and ASTM standards, with all inputs and outputs in SI units. Users can also access news and updates from the developer.

Highlights
  • ISO 8217 fuel standard lookup
  • CCAI Number calculation
  • Cetan Index calculation (old & new methods)
  • Fuel blending calculators (viscosity, sulphur)
  • Injection temperature calculation
  • Energy and price relation calculations
  • News updates from developer
Features
Read full description

This application by Bunker One, is a small practicable tool for look up the ISO 8217 - 2005, 2010/2012, 2017 & 2024 standards for residual- and distillate marine fuels. Programmed calculators are included for different fuel related calculations. Calculators programmed as below.: -CCAI Number according ISO 8217 -Cetan Index ASTM - D 976 - 80 (old method) ASTM - D 4737 - 87 (new method) -Deviation calculations according Bunker One -Energy and price relations according Bunker One -Fuel Blending - Viscosity blending according ASTM - D 7152 Sulphur blending according Bunker One -Injection temperature according Bunker One -Reproducibility -Specific Energy gross and net content according ISO 8217 -Viscosity Index according ASTM - D 341 -Volume Correction Factor according ASTM D1250-80 Table 5B General for all calculators is that all entries shall be in SI units. And results also given in SI units. Where there is a differentiation between Distillates and Residual fuels, distillates are defined with density lower than 900 kg/m3 Where there is a differentiation between Straight Run fuel and Cracked fuels, straight run fuels are defined with density lower than 950 kg/m3 News published on our web page Bunkerone.com will be pushed to the app holders and publish with link to the web under the "news" bar

About

ASTM PRO

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
Read full description

These Petroleum Measurement Tables are for use in the calculation of quantities of crude petroleum and petroleum products at reference conditions in any of three widely used systems of measurement. These tables are provided for standardised calculation of measured quantities of petroleum fluids regardless of point of origin, destination, or units of measure used by custom or statute. Application for marine engineers and officers.

Screenshots

Bunker One4 screens
ASTM PRO4 screens

Verdict

The call

The clearest difference is price: Bunker One at Free against ASTM PRO's $14.99. Bunker One also leads on rating (4.5 vs 1.0). On ratings volume, ads, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

Bunker One holds the better App Store score, 4.5 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Scorecard3 real differences · 7 level
Bunker One versus ASTM PRO: the parameters behind the verdict, then further details
ParameterBunker OneASTM PRO
PriceFree — better$14.99
Rating4.5 (2 ratings) — better1.0 (1 ratings)
Positive reviews0.0% of reviews—
Number of ratings2 — better1
Update frequencyEvery 3 months—
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.615.2 — better
Further details — not scored
Size16 MB1 MB
Age rating4+4+
DeveloperAskappsOleksii Nezhalskyi

Customer experience

Bunker One

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

ASTM PRO

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Bunker One

No in-app purchases

None

ASTM PRO

No in-app purchases

Questions

Is Bunker One free?
Bunker One is free to download, with no in-app purchases.
Is ASTM PRO free?
ASTM PRO costs $14.99, with no in-app purchases.
Which has better reviews, Bunker One or ASTM PRO?
Bunker One is rated higher. Bunker One averages 4.5 out of 5 from 2 ratings, while ASTM PRO averages 1.0 from 1 ratings.
Do Bunker One or ASTM PRO have ads?
Neither Bunker One nor ASTM PRO shows ads.

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