# Sargassum vs RedVet App

Sargassum and RedVet App are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sargassum ships an update every 5 weeks, RedVet App every 6 weeks. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Sargassum | RedVet App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sargassum/id6499489832/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 90 MB | 10 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Donald Schlack](https://appshunter.io/developer/1403171629) | [Colegio De Veterinarios De La Provincia De Buenos Aires](https://appshunter.io/developer/1808441767) |

## What reviewers say

### Sargassum

[App page](https://appshunter.io/ios/app/sargassum/id6499489832)

This app allows users to report the coverage and thickness of seaweed on beaches, optionally including photos. The collected data, along with user coordinates, helps scientists document environmental changes over time. Recent reports are visualized on a map.

**Highlights:** Report seaweed coverage, Measure seaweed thickness, Add photos to reports, View recent reports on a map, Contribute to scientific data

**Features:** macOS Compatibility

**In-app purchases:** none


### RedVet App

[App page](https://appshunter.io/ios/app/redvet-app/id6744612457)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sargassum free?

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

### Is RedVet App free?

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

### Do Sargassum or RedVet App have ads?

Neither Sargassum nor RedVet App shows ads.

### Which is updated more often, Sargassum or RedVet App?

Sargassum ships an update every 5 weeks, and RedVet App every 6 weeks. Most recently, Sargassum was updated on October 30, 2026 and RedVet App 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.*