BloodTrail: Deer Blood Tracker

BloodTrail turns your phone into a blood-tracking tool for deer hunters. Point the camera at the ground and blood lights up while leaves, dirt and grass fade to gray. See blood you'd miss • Live blood highlight using your phone's camera and flashlight • Highlight colors (green, cyan, yellow or white) that work for red-green colorblind hunters • Sensitivity slider from fresh, bright blood to old, dark, dried blood • Buzz alert: the phone vibrates when blood comes into view, even on silent • Glove-friendly: Volume Up turns the light on and off, Volume Down marks blood Map every drop • Start at the hit site, then mark each blood spot with one tap • GPS records your path, even with the phone in your pocket • Compass shows the direction and distance to the last blood and the hit site • Offline trail map that works with no cell signal • Open any spot in Google Maps, or share your trail as KML (Google Earth) or GPX (most hunting and GPS apps) Private by design • No account, no ads, no analytics • Your trails stay on your phone Good to know • Red leaves, sumac and red berries can also highlight. Use the sensitivity slider and your own judgment. • Phone GPS under tree cover is typically accurate to about 3–10 yards. • BloodTrail is a tracking aid, not a guarantee. Follow your local hunting regulations and practice ethical recovery.