MedusApp vs Orcinus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MedusApp
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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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.
Orcinus
This app allows users to report and track Orca whale sightings globally. It facilitates data collection and sharing related to these marine mammals, developed in cooperation with research institutions.
- Report Orca whale sightings
- Track Orca whale encounters
- View global sighting data
- Cooperation with research institutes
- Marine mammal reporting
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Orcinus is a reporting and tracking app which allows users to view and make reports relating to Orca whale sightings and encounters across the world. This application has been created thanks to the cooperation between the Bottlenose Dolphin Research Institute (www.thebdri.com) and the Nautilus Project. This app has been funded by Portos de Galicia (Xunta de Galicia).
Screenshots
Verdict
The clearest difference is rating: MedusApp at 5.0 against Orcinus's 2.3. MedusApp also leads on review sentiment (52% vs 20%). Orcinus's advantage is update cadence (every 5 days vs every 4 weeks) and iOS requirement (11.0 vs 15.6). On price, ratings volume, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
MedusApp holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews point the same way: 52% of MedusApp's written reviews are positive against 20% of Orcinus's.
MedusApp ships an update every 4 weeks, Orcinus every 5 days. Both last shipped on October 24, 2026.
| Parameter | MedusApp | Orcinus |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | 2.3 (4 ratings) |
| Positive reviews | 51.6% of reviews — better | 20.0% of reviews |
| Number of ratings | 3 | 4 — better |
| Update frequency | Every 4 weeks | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 16 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | Ramon Palacios Saez | Lewis Stagnetto |
Customer experience
MedusApp
Orcinus
In-app purchases
MedusApp
No in-app purchases
Orcinus
No in-app purchases

