Trail Sense

• Be usable when first opened on a trail without an Internet connection.
• Assist with hiking, backpacking, camping, geocaching, wilderness survival, foraging, fishing, and hunting.

Astronomy

• Know when the sun will set to avoid getting caught in the dark.
• Know when the sun will rise and set to plan a trip around available daylight.
• Know if the moon provides enough light for hiking at night.
• Know when and where the next meteor shower, solar eclipse, or lunar eclipse will be
• Navigate using the position of the sun, moon, or stars to save phone battery.

Augmented Reality

• Navigate using the position of the sun, moon, or stars.
• Identify nearby landmarks.
• Choose the correct trail at a fork.
• Set up camp based on where the sun will be.

Ballistics

• Zero a scope.
• Predict bullet impact at different distances.
• Assess whether a shot has enough energy for ethical use on a particular species.

Battery

• Estimate remaining phone battery life.
• Disable features that are drawing power.
• Estimate charging time.

Beacons

• Record a location to navigate back to it.
• Mark a distant location to navigate to it.
• Mark points of interest before a hike to navigate and understand the surrounding area.

Bubble Level

• Check whether the ground is flat enough for a tent or stove.

Cliff Height

• Measure the height of a recess before lowering something into it, such as filling a water bottle from a recessed stream.

Climate

• Identify the best time of year to book an outdoor trip.
• Understand typical weather for an area.
• Decide whether to apply bug spray.

Clinometer

• Estimate avalanche risk for a slope.
• Measure the height of an object, such as a tree.
• Measure the distance to an object.
• Measure slope steepness.

Clock

• Get the actual time to correct the phone clock.

Clouds

• Predict the weather.

Convert

• Convert between coordinate formats.
• Convert a distance to a familiar unit.
• Convert a temperature to a familiar unit.
• Convert a volume listed to a familiar unit.
• Convert a weight to a familiar unit.
• Determine the time after a given duration.

Declination

• Check whether the declination listed on an old map is still usable.
• Adjust a physical compass' declination.

Diagnostics

• Troubleshoot an issue with Trail Sense.

Field Guide

Species is interchangeable with other natural objects (ex. rocks) in the below use cases.

• Identify common species that are useful for wilderness survival.
• Record the location of a species to return for foraging or hunting.
• Record notes about a species to improve future encounter chances.

Flashlight

• Use the phone as a flashlight.
• Use the phone as a reading light.
• Transmit an SOS signal.
• Transmit a strobe signal.

Light Meter

• Assess whether a flashlight is usable.

Lightning Strike Distance

• Decide whether to take immediate shelter from a thunderstorm.
• Estimate thunderstorm distance and whether it is getting closer.

Magnifier

• Magnify small text.

Map

• View where you are on a map.
• Navigate using a map.
• View nearby surroundings.
• Check how steep a path will be.
• Measure distances on a map.

Metal Detector

• Find a dropped metal tool.

Mirror Camera

• Remove something from your eye, such as a bug, without a mirror.

Navigation

• Navigate to a location.
• Navigate using a bearing.
• Track hiking speed.
• Identify your current location.
• Identify your current direction.
• Share your current location.

Notes

• Record a note.
• Share a note.

Offline Maps

• Use a photographed printed map as a digital map.
• Use a map file downloaded from the Internet.

Packing Lists

• Create a checklist of items to bring on a trip.
• Save packing lists from previous trips.
• Estimate pack weight.
• Share a packing list.

Paths

• Retrace steps to a specific location.
• Retrace steps to the last place with good cell phone signal.
• Follow a path.
• Assess how difficult a path will be to follow.
• Estimate how long a path will take to follow.

Pedometer

• Track distance traveled.
• Track average pace.
• Stop after a certain distance.

QR Code Scanner

• Share a location offline.
• Share a note offline.
• Read a QR code.

Ruler

• Measure a distance on a printed map.
• Measure a small object.

Sensors

• Verify that phone sensors are working correctly.

Signal Finder

• Find where to go for better cell signal.

Solar Panel Aligner

• Align a solar panel for the next few hours to charge devices.
• Align a solar panel at camp for the day to charge devices.

Survival Guide

• Respond to unplanned survival situations.

Temperature Estimation

• Estimate whether it will be cold at a destination.
• Estimate what the temperature will feel like given the weather conditions.

Tides

• Check when the next high or low tide will occur.
• Check tide height.
• Check whether the tide is rising or falling.

Triangulate Location

• Determine your location without a GPS signal.
• Determine the location of a visible place in the distance.

Turn Back

• Return to a location at a specific time.
• Return to a location before dark.

User Guide

• Learn how to use Trail Sense.

Water Boil Timer

• Determine how long to boil water.

Weather

• Predict the weather.

Whistle

• Transmit an SOS signal.
• Transmit a common whistle code.

White Noise

• Block out noises at night while sleeping.