Age Rating
4+
Apps in this category do not contain restricted content.
9+
Apps in this category may contain mild or occasional cartoon, fantasy or real-life violence, as well as occasional or mild adult, sexually suggestive or horrifying content and may not be suitable for children under 9 years of age.
12+
Apps in this category may contain occasional mild indecent language, frequent or intense cartoon or real-life violence, minor or occasional adult or sexually suggestive material, and simulated gambling, and may be for children under 12 years of age.
17+
You must be at least 17 years old to access this App.
Apps in this category may contain frequent and intense offensive language; Frequent and intense cartoon, fantasy or realistic violence: frequent and intense adult, scary and sexually suggestive subjects: as well as sexual content, nudity, tobacco, alcohol and drugs, may not be suitable for children under 17 years of age.
MedusApp Screenshots
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About MedusApp

Collaborate with science and at the same time benefit citizens by sending your sightings. Medusapp will inform you as soon as you run the app if within a radius of 5 km. Around you there have been sightings or jellyfish-free beach reports in recent days.

Obtaining information about sightings and stings of jellyfish, is crucial for the various scientific research works and have a small tool, that anyone can have installed on their mobile phone and that simplifies the task of reporting where jellyfish or jellyfish are located its effects on people is just what was needed to provide data to science.

Just take the photo to the jellyfish with Medusapp, and when you send it you will also be sending GPS coordinates to make a real-time map of the places where these marine animals are sighted. You can also select the species or use the new function based on IA to try to recognice the species. Anyway, scientists will already be responsible for classifying it.

With this application you can also report other types of sightings of marine eventualities, as well as the effects of their bites.

In addition, it includes a guide of small aid in case of sting, and another of recognition of different species of jellyfish.

Scientific development and scientific-medical data management by Dr. Cesar Bordehore and Dr. Eva S. Fonfría. Multidisciplinary Institute for the Study of the Environment "Ramon Margalef", University of Alicante. Dra. Victoria del Pozo and Dra Mar Fernández Nieto. CIBER CIBERES Respiratory Diseases. Immunoallergy Laboratory, Dep. Of Immunology, Giménez Díaz Foundation Health Research Institute (IIS-FJD).

Developed by Ramón Palacios and Eduardo Blasco as a contribution to citizen science.

The information on jellyfish and first aid comes from the LIFE Cubomed project (www.cubomed.eu), of which Dr. Bordehore participates.

Photographs of jellyfish sightings will be made public through the map, while photographs of of bites will not be made public.
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What's New in the Latest Version 5.6.7

Last updated on Apr 1, 2026
Old Versions
This app has been updated by Apple to prepare for watchOS 27 compatibility. No new features are included.

New species added and guide for the Brazilian coast
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Version History
5.6.7
Apr 1, 2026
This app has been updated by Apple to prepare for watchOS 27 compatibility. No new features are included.

New species added and guide for the Brazilian coast

MedusApp FAQ

Click here to learn how to download MedusApp in restricted country or region.
Check the following list to see the minimum requirements of MedusApp.
iPhone
iPad

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