Apps Like Outdoor Compass Utility for iPhone and iPad
Navigate with and whistle
Provide directional guidance using a and GPS. Use a whistle to signal location or request assistance. Activate a flashlight for illumination. Perform these actions during hiking, climbing, and camping activities.
by 在海 刘★ 4.742 ratingsUtilitiesFreeData updated 2026-09-11
Report algae observations and record sample locations
Report algae observations with GPS coordinates and sample tube numbers. Submit data to the team. Track sample locations and share findings with community scientists.
Allows users to send short emergency messages without internet using nearby devices. Press and hold the emergency button to trigger a loud whistle and SOS flashlight pattern. Predefined quick messages can be sent for immediate alerts.