The Propeller Mobile App

Propeller Mobile is a simple and accessible extension of the Propeller Platform as an app that provides field teams with a reliable source of site information while on the worksite. 

Field crews can explore 2D or 3D models of their site. They can zoom in on specific areas for more details, use the maps to work collaboratively and in real-time, visualize and review design files, and create temporary measurements to check the most up-to-date earthworks progress using the aerial data collected during drone surveys.

Getting started

Download Propeller Mobile to your phone or tablet. It is available in the Apple App Store or Google Play Store

Open Propeller Mobile and allow the app to Continue by sharing information about your login with with the app.

Choose the Portal, Site, and Survey you want to view from the dropdown menu and tap VIEW MAP

If you have access to multiple portals, the app will default to the Portal with the closest Site to your geographical location. 

General navigation

Use your index and thumb fingers and “pinch” the screen to zoom in and out on the map. Double-tap a location on the map to zoom in quickly. To tilt or rotate the map, use two fingers together and push up, down, or twist to change the angle of or rotate the map.

Dropdown menu

Tap the dropdown to change your Portal, Site, or Survey within the app.


Tap the compass to orient the map back to north.

Home button

Tap the Home button to return to the full extent of your site. 

Geo locate

Use the Geo Locate tool to orient yourself on the map. This function uses your mobile device’s GPS to obtain your current location. 

You may need to enable location services on your iOs or Android mobile device for this feature to work.

2D/3D view

Tap this button to switch between 2D and 3D views of your survey.

Map button

Tap the Map button to close all open menus and return to the map screen.

Tools & Layers

Tap the Tools button to use the built-in measurement tools, including ELEVATION, DISTANCE, and AREA

Use the Layers tool to turn on additional layers. This includes line and design files associated with the survey.

Any measurement added in the app is temporary and does not save to your Propeller Platform profile.


The ELEVATION tool allows you to spot-check elevations at a specific location on your site. 

Tap on ELEVATION. A cross-hair will open on the map. The center of the crosshair is the point you are measuring. You'll notice elevation changes as you pan and move around the map. This can be useful to visualize how elevations on your site change over time, including stockpile heights and quick grade checks.

You can also compare elevations between your survey and any design files associated with your site. Tap the Layers tool to add a Design to compare against a survey.

Once a Design is toggled on, you can compare it to a survey to see cut/fill information.


The Distance tool can be used to measure point to point distance, horizontal length, and surface length.

Tap on the Tools button and select DISTANCE.

Position the crosshairs where you want to drop a point, and tap ADD POINT. Continue adding points until the distance you want to measure is complete, then tap VIEW DISTANCE. If you make a mistake, tap UNDO POINT to erase the last dropped point.


Use the AREA tool to measure surface area and horizontal area.

Tap on the Tools button and select AREA.

Position the crosshairs where you want to drop a point, and tap ADD POINT. Continue adding points to the polygon to cover the area you want to measure.

Once you’re done, click COMPLETE SHAPE, then tap VIEW SURFACE AREA. If you make a mistake, tap UNDO POINT to erase the last dropped point.

If you have at lease 3 points and click VIEW SURFACE AREA, it will auto-complete the polygon by snapping the last point to the first point. 

Elevation contours

Turn on contours to visualize elevation. Draw a polygon around the area you want o view.

Click VIEW AREA, and from the dropdown, choose Elevation Contours.

Heat map

Compare an area on the map to a design to calculate cut and fill.

Draw a polygon around the area you want to compare. Select the design you want to compare your survey against. 

View Industry Foundation Classes (IFC) Files

The ability to view IFC files for more context while onsite makes it easy to simplify project planning, perform quality assurance by comparing as-built images against the design, and catch any errors early on before they impact later stages of the project.  

From the Layers tab, select Designs.

Search Designs or navigate to the IFC file you want to view and toggle it on.

Cross Sections

Measuring cross-sections is a common practice on work sites. The Cross-Section Comparison tool in the mobile app shows you a detailed profile view of your survey and allows elevation comparisons against other surfaces, linework, and models. This is particularly useful for field crews because cross sections can now be made in real time, onsite rather than later, when you have access to a desktop PC. 

From the Layers tool, turn on the designs you would like to compare against. 

Select LINE in the Tools option.

Using the crosshairs to guide you, tap +ADD POINT where you want to view the cross section. When the line is complete, tap COMPLETE LINE.

Only design features selected that intersect the cross sections will be displayed on the map.

Tap VIEW MEASUREMENT for more detailed information on Point to Point Distance, Horizontal Length, and Surface Length

Tap SEE CROSS SECTION for a detailed visual of the elevation change between surveys, design files, and utilities.

You can also ADD DESIGN, ADD SURVEY, or change the measurement units from here. 

Tap the X next to the survey or design if you wish to remove it.

If you need assistance, click the help button in the bottom corner of the home screen to message Propeller Support.

I still can't do it!

We wrote these articles to equip you with everything you need to get the job done on your own, but we understand that sometimes this isn't sufficient. 

If you're stuck, you can connect with our support team by clicking the support button on the top right corner of your user portal.

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