# Meduseo vs Seander

The clearest difference is in-app purchases: Meduseo at none against Seander's 2. Seander's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Seander sells 2 in-app purchases, starting at $3.99 per month. Meduseo asks for nothing beyond the download.

Meduseo ships an update every 2 weeks, Seander every 10 days. The most recent releases landed on September 23, 2026 and August 31, 2026 respectively.

## The numbers

| Metric | Meduseo | Seander |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/meduseo/id6535647657/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 81.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Ad-supported | — |
| Size | 38 MB | 12 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jeremy Deverdun](https://appshunter.io/developer/1756795140) | [Pau Bonet](https://appshunter.io/developer/1893691244) |

## What reviewers say

### Meduseo

[App page](https://appshunter.io/ios/app/meduseo/id6535647657)

Get real-time updates on jellyfish presence at beaches to avoid unpleasant surprises. Visualize jellyfish density on a map with color-coded indicators and contribute your own sightings to the community.

**Highlights:** Real-time jellyfish presence data, Color-coded map visualization, User-submitted jellyfish reports, Updated every 4 hours, Year-round availability, Search by city

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

**In-app purchases:** none


### Seander

[App page](https://appshunter.io/ios/app/seander/id6762293280)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Seander Pro Monthly | $3.99 | per month |
| Seander Pro Annual | $17.99 | per year |


## Frequently asked questions

### Is Meduseo free?

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

### Is Seander free?

Seander is free to download, with in-app purchases available.

### Do Meduseo or Seander have ads?

Meduseo shows ads; Seander does not.

### Which is updated more often, Meduseo or Seander?

Meduseo ships an update every 2 weeks, and Seander every 10 days. Most recently, Meduseo was updated on September 23, 2026 and Seander on August 31, 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.*