Explore Madeira's ocean life with your little snorkeler.
A visual, offline field guide to 47 fish and ocean creatures, with English,
Portuguese, German and scientific names. Hear names spoken aloud using
installed offline voices, learn a little ocean fact, and play a photo quiz.
Open photos full-screen and zoom in to explore tiny details.
Follow documentary and educational film links in your selected language.
Switch the whole app between English, Portuguese and German from the flag menu.
Read and hear lessons in your chosen language. Light and dark mode follow your device.
Save your swims, remember what you saw, and grow your own discovery collection.
Mark uncertain sightings to check together later. Choose a local journal folder
to sync between devices with Syncthing. Compare blue markings and schooling fish.
Built for Android phones and tablets. No accounts, ads, tracking or internet
permission. Free and open source.