# MedusApp > Citizen science app for reporting jellyfish sightings and stings. (iPhone/iPad app by Ramon Palacios Saez.) - Source: https://appshunter.io/ios/app/medusapp/id1182365420 (this page in markdown: same URL + `.md`) - Developer: [Ramon Palacios Saez](https://appshunter.io/developer/1177436233) - Category: Reference, Utilities - Price: Free - Rating: 5.00/5 from 3 App Store ratings · 31 written reviews indexed - Age rating: 4+ - Requires: iOS 12.0 · 15 MB - Languages: American English - Released: 2016-12-06 - Data updated: 2026-09-01 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/medusapp/id1182365420/reviews.md ## What is 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. ## Key features - 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 ## Recent user reviews (10 of 31) All indexed reviews: https://appshunter.io/ios/app/medusapp/id1182365420/reviews.md ### 5/5 — Genial!!! *2025-06-13* I love it! I use it in Mallorca often to get an idea of where to go to the beach. Best app ever!!! **Developer response:** 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. ### 5/5 — Muy bien *2025-06-03, version 5.5.4* 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. ### 4/5 — dégâts *2025-04-09* 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. **Developer response:** 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. ### 5/5 — La mejor aplicación *2024-12-01, version 5.4.1* Esta es la mejor aplicación sobre reportes de medusas, solo que falta información de forskalia edwarsii ### 2/5 — App nicht ausgereift *2024-09-29* 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. **Developer response:** 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 ### 4/5 — Medusas *2024-08-06, version 5.3.7* Ami me dan miedo las medusas así que me va a ayudar :) ### 4/5 — Top *2023-08-21* J‘attends avec impatience la version en français **Developer response:** Merci beaucoup pour votre commentaire et votre évaluation. Nous espérons avoir bientôt une nouvelle version qui inclut enfin la langue française. ### 4/5 — Bien *2023-08-12, version 5.2.7* No tiene mucha precisión porque pone zona libre de medusas y habían algunas ### 5/5 — Muy buena app para el mundo marino *2023-08-02, version 5.2.7* App muy útil e interesante ### 2/5 — Invasión de medusas y no deja informar *2023-01-07, version 5.1.0* Cargo la foto y los datos y da siempre error de conexión, con datos y con wifi ## Frequently asked questions about MedusApp ### 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. ## Version history (last 5 releases) ### 5.6.7 — 2026-04-01 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 ### 5.6.6 — 2025-12-27 Minor bugs fixed. New languages: Italian and Portuguese. New Atlantic regions prepared. ### 5.6.5 — 2025-09-18 Various minor fixes ### 5.6.4 — 2025-07-13 Improvements to user statistics information. Fixed minor bugs. New feature: User statistics and achievements. New Feature: Beach Search. New language: German. New language: French. Support for submitting video sightings. New homepage design. ### 5.6.3 — 2025-07-06 New language: German. New feature: User statistics and achievements. New Feature! Beach Search. French language added. It is now possible to submit sightings with videos. New homepage design. ## More apps by Ramon Palacios Saez - [dBMeter - Decibelmeter](https://appshunter.io/ios/app/dbmeter-decibelmeter/id1466056567) - [Valencia Tourism and Leisure](https://appshunter.io/ios/app/valencia-tourism-and-leisure/id1474950610) - [Balearic Tourism and Leisure](https://appshunter.io/ios/app/balearic-tourism-and-leisure/id1480495458) - [Madrid Tourism and Leisure](https://appshunter.io/ios/app/madrid-tourism-and-leisure/id1484625379) - [Paris Tourism and Leisure](https://appshunter.io/ios/app/paris-tourism-and-leisure/id1486782840) All apps by Ramon Palacios Saez: https://appshunter.io/developer/1177436233 ## Related topics [medusapp](https://appshunter.io/ios/topics/medusapp) · [medusas ibiza](https://appshunter.io/ios/topics/medusas-ibiza) · [amar sea life](https://appshunter.io/ios/topics/amar-sea-life) · [ipesca asturias](https://appshunter.io/ios/topics/ipesca-asturias) · [medusa](https://appshunter.io/ios/topics/medusa) · [meduza project](https://appshunter.io/ios/topics/meduza-project) · [medusa mobile](https://appshunter.io/ios/topics/medusa-mobile) · [menorca](https://appshunter.io/ios/topics/menorca) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-01.*