Free

Details

  • Released
  • Updated
  • December 6, 2016
  • April 1, 2026

Features

MedusApp screenshot #1 for iPhone
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MedusApp screenshot #7 for iPhone
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About

Contribute to scientific research by reporting jellyfish sightings and stings. Receive real-time alerts about nearby jellyfish activity and access a guide for first aid and species identification.

Report jellyfish sightings and stings
Real-time alerts for nearby jellyfish
GPS coordinate logging for sightings
AI-assisted species recognition
Guide to jellyfish species
First aid information for stings
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What's New in MedusApp

5.6.7

April 1, 2026

This update from Apple will improve the functionality of this app. No new features are included. New species added and guide for the Brazilian coast

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User reviews

Genial!!!

I love it! I use it in Mallorca often to get an idea of where to go to the beach. Best app ever!!!

Response from developer

Thank you so much for your kind words and feedback. It's thanks to you that this project makes sense, benefiting both science and its users.

Muy bien

Me gustan mucho las medusas y me encanta ver donde y que medusas ha encontrado la gente. Así que como comprenderas esta app tiene un lugar en mi corazon☃️☃️

Ojalá utilizasen más esta app fuera de España.

dégâts

Il serait bien de rédiger un petit paragraphe par rapport aux méduses pour expliquer leurs dégâts sur le corps si elles sont mortelles ou non etc merci beaucoup.

Response from developer

Merci beaucoup pour ton commentaire et ton évaluation, Alexis. Nous essayons toujours d'écouter et de prendre en compte les utilisateurs. Je voulais juste te dire que l'application dispose d'un guide des méduses où tu peux trouver des informations comme celles que tu mentionnes. De plus, lorsque tu visualises la carte, tu peux cliquer sur le nom de la méduse pour obtenir des informations.

La mejor aplicación

Esta es la mejor aplicación sobre reportes de medusas, solo que falta información de forskalia edwarsii

App nicht ausgereift

Eigene Meldung wurde nicht veröffentlicht. Keine Information darüber warum. Meldungen werden viel zu lange verifiziert. Bis dahin haben sich viele Leute bereits verbrannt. Erst wenn es zu spät ist werden die Meldungen in der Karte veröffentlicht. App ist nicht ausgereift.

Response from developer

Es tut uns leid, dass du mit der App nicht zufrieden bist. Wir wissen nicht, welches Problem du hattest. Im Allgemeinen werden Sichtungen in Echtzeit vorveröffentlicht, falls sie an der Küste auftreten; andernfalls benötigen sie eine logische Überprüfung. In jedem Fall danken wir dir, dass du MedusApp nutzt, um der Wissenschaft und den Menschen im Allgemeinen zu helfen. Alle Kommentare helfen uns, uns weiter zu verbessern

Developer apps

FAQ

What does MedusApp do?

MedusApp allows users to contribute to scientific research by reporting jellyfish sightings and stings. It provides real-time alerts for nearby jellyfish activity and offers a guide for identifying species and administering first aid.

How do I report a jellyfish sighting?

To report a sighting, simply take a photo of the jellyfish using the app. The app will automatically capture your GPS coordinates, creating a real-time map of where these marine animals are sighted. You can also select the species or use the AI function to help identify it.

Is MedusApp free to use?

Yes, MedusApp is completely free to download and use. It does not have any in-app purchases or advertisements, making it accessible for all users who wish to contribute to citizen science.

What kind of information does the app provide about jellyfish?

The app includes a guide for recognizing different species of jellyfish and provides essential first aid information in case of a sting. This information is crucial for both personal safety and scientific data collection.

Who is behind the development of MedusApp?

MedusApp is a contribution to citizen science developed by Ramón Palacios and Eduardo Blasco. The scientific and medical data management is supported by researchers from the Multidisciplinary Institute for the Study of the Environment "Ramon Margalef" at the University of Alicante, and the Immunoallergy Laboratory at the Giménez Díaz Foundation Health Research Institute.