Reef Life is the most comprehensive marine identification app available on the iPhone platform. With 2,435 species from 17 categories, this app is a treasure trove for divers, snorkelers, and aquarium enthusiasts. It features professionally photographed species, GPS coordinates for over 200 oceanic regions, and a streamlined identification process based on specific locations.

Users can explore 31 pre-defined regions like the "Caribbean Sea" or create custom searches by dropping pins on an interactive map. The app also allows users to add their own species with detailed information and images, fostering a collaborative community. Reef Life caters to 3D Touch users with quick access features and a zoom view for detailed exploration.

Marine Life Conservation and Education are key highlights, with 50+ pages dedicated to these topics. Notably, this app works offline, making it an essential companion for scuba divers in remote locations.