# MedusApp vs Orcinus

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.

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.

## The numbers

| Metric | MedusApp | Orcinus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/medusapp/id1182365420/reviews)** | [2.3 (4 ratings)](https://appshunter.io/ios/app/orcinus/id1659221919/reviews) |
| Number of ratings | 3 | **4** |
| Positive reviews | **51.6% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 5 days** |
| Monetization | Free | Free |
| Size | 16 MB | 45 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ramon Palacios Saez](https://appshunter.io/developer/1177436233) | [Lewis Stagnetto](https://appshunter.io/developer/1387917269) |

## What reviewers say

### MedusApp

[App page](https://appshunter.io/ios/app/medusapp/id1182365420)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Orcinus

[App page](https://appshunter.io/ios/app/orcinus/id1659221919)

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.

**Highlights:** Report Orca whale sightings, Track Orca whale encounters, View global sighting data, Cooperation with research institutes, Marine mammal reporting

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MedusApp free?

MedusApp is free to download, with no in-app purchases.

### Is Orcinus free?

Orcinus is free to download, with no in-app purchases.

### Which has better reviews, MedusApp or Orcinus?

MedusApp is rated higher. MedusApp averages 5.0 out of 5 from 3 ratings, while Orcinus averages 2.3 from 4 ratings.

### Do MedusApp or Orcinus have ads?

Neither MedusApp nor Orcinus shows ads.

### Which is updated more often, MedusApp or Orcinus?

MedusApp ships an update every 4 weeks, and Orcinus every 5 days. Most recently, MedusApp was updated on October 24, 2026 and Orcinus on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*