Comparison

Vulcan Materials vs Propeller Mobile

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

Head to head
About

Vulcan Materials

Estimate construction material quantities for building and paving projects. Input job dimensions and material properties to calculate needs for aggregate, asphalt, and concrete. Offers menus for typical density values to aid calculations.

Highlights
  • Estimate construction material needs
  • Calculate aggregate, asphalt, and concrete quantities
  • Input job dimensions (length, width, thickness)
  • Consider material density
  • Density value menus for aggregates
Features
Read full description

The Vulcan Materials product calculator is a tool for estimating construction materials needs for building and paving projects. By entering job parameters such as length, width and thickness, and material properties such as density, the product calculator estimates needed quantities for different aggregate, asphalt and concrete products. To assist with calculations, menus are available for selection of typical density values for different aggregate types. Disclaimer: This application is provided on an “AS IS” basis for convenience. While reasonable efforts have been taken to ensure the accuracy of the calculator, a number of factors can influence the exact quantities needed for your particular job. You are encouraged to work with a local Vulcan Sales Representative for more exact product estimates.

About

Propeller Mobile

This app transforms your mobile device into a powerful site inspection tool. It provides real-time navigation, 3D site mapping, and media documentation to keep field crews connected and projects on track. Empower faster decisions with your job site in your pocket.

Highlights
  • Live navigation
  • 3D site mapping
  • Media documentation
  • Alignments and grade checking
  • Cut-fill analysis
  • Stockpile volume measurement
  • AeroPoint management
Features
Read full description

Propeller Mobile is a 3D site inspection app built to keep field crews connected, aligned, and in control. With your job site in your pocket, Propeller Mobile supports real-time navigation, site checks, and reality capture, empowering faster decisions and keeping projects on track. Propeller Mobile also works alongside your AeroPoint hardware, keeping your ground control workflow connected. More than just a map, Propeller Mobile connects every person on-site to the data they need - enabling teams to move faster, collaborate smarter, and drive results. Why Propeller Mobile? • Stay aligned, wherever you are: Turn your mobile device into a powerful site inspection tool to help you map your next move • Eliminate bottle necks: Verify, document, and adjust plans directly from the field to prevent delays and unnecessary office trips • Keep your projects on track: From live navigation to high-accuracy measurements, you’ll translate field data and designs into decisions Key features: • Live navigation: Instantly see your real-time position relative to designs and site features • 3D site mapping: Explore a digital twin of your site in 3D or 2D for informed decision-making • Media documentation: Pin images and 360° photos to the map to document conditions and share with office teams • Alignments: Measure and track your live position along alignments and stations/chainages • Grade checking: Assess grades as degrees, percentages, or ratios • Cut-fill analysis: Compare surfaces to monitor volume changes and progress over time • Point of interest tagging: Drop points to check elevations or add notes for clarity • Surface area measurement: Quickly calculate areas within any shape • Stockpile volumes: Measure stockpile volumes and create reports in seconds • Cross-section analysis: Generate cross-section charts of designs and surveys • Distance measurement: Measure point-to-point distances with precision • Elevation tracking: Monitor elevation changes and height differences • AeroPoint management: Connect to AeroPoint 2 devices via Bluetooth to monitor battery, charging status, firmware, and data upload progress - and configure custom WiFi credentials for seamless field uploads

Screenshots

Vulcan Materials4 screens
Propeller Mobile4 screens

Verdict

The call

The clearest difference is review sentiment: Vulcan Materials at 75% against Propeller Mobile's 33%. Vulcan Materials also leads on rating (4.2 vs 3.8) and iOS requirement (8.0 vs 16.1). Propeller Mobile's advantage is update cadence (every 2 weeks vs every 14 months). On price, ratings volume, ads and in-app purchases 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Vulcan Materials holds the better App Store score, 4.2 against 3.8. Both are backed by a comparable volume of ratings — 13 and 10 respectively. Written reviews point the same way: 75% of Vulcan Materials's written reviews are positive against 33% of Propeller Mobile's.

UpkeepUpdate frequency

Vulcan Materials ships an update every 14 months, Propeller Mobile every 2 weeks. The most recent releases landed on October 23, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
Vulcan Materials versus Propeller Mobile: the parameters behind the verdict, then further details
ParameterVulcan MaterialsPropeller Mobile
PriceFreeFree
Rating4.2 (13 ratings) — better3.8 (10 ratings)
Positive reviews75.0% of reviews — better33.3% of reviews
Number of ratings13 — better10
Update frequencyEvery 14 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS8.0 — better16.1
Further details — not scored
Size3 MB276 MB
Age rating4+4+
DeveloperVulcan Materials CompanyPropeller Aerobotics Pty Ltd

Customer experience

Vulcan Materials

All ratings12 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

Propeller Mobile

All ratings10 ratings
Positive70.0%
Neutral0.0%
Negative30.0%
Written reviews6 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

In-app purchases

None

Vulcan Materials

No in-app purchases

None

Propeller Mobile

No in-app purchases

Questions

Is Vulcan Materials free?
Vulcan Materials is free to download, with no in-app purchases.
Is Propeller Mobile free?
Propeller Mobile is free to download, with no in-app purchases.
Which has better reviews, Vulcan Materials or Propeller Mobile?
Vulcan Materials is rated higher. Vulcan Materials averages 4.2 out of 5 from 13 ratings, while Propeller Mobile averages 3.8 from 10 ratings.
Do Vulcan Materials or Propeller Mobile have ads?
Neither Vulcan Materials nor Propeller Mobile shows ads.
Which is updated more often, Vulcan Materials or Propeller Mobile?
Vulcan Materials ships an update every 14 months, and Propeller Mobile every 2 weeks. Most recently, Vulcan Materials was updated on October 23, 2026 and Propeller Mobile on October 30, 2026.

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