# St. John's Miami vs Sargassum

The clearest difference is iOS requirement: St. John's Miami at 12.2 against Sargassum's 16.4. On price, update cadence, 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.

St. John's Miami ships an update every 6 weeks, Sargassum every 5 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | St. John's Miami | Sargassum |
| --- | --- | --- |
| 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 6 weeks | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 34 MB | 90 MB |
| Requires iOS | **12.2** | 16.4 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The First Methodist Church of Miami Beach Inc](https://appshunter.io/developer/1695017048) | [Donald Schlack](https://appshunter.io/developer/1403171629) |

## What reviewers say

### St. John's Miami

[App page](https://appshunter.io/ios/app/st-johns-miami/id6450798758)

**In-app purchases:** none


### 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


## Frequently asked questions

### Is St. John's Miami free?

St. John's Miami is free to download, with no in-app purchases.

### Is Sargassum free?

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

### Do St. John's Miami or Sargassum have ads?

Neither St. John's Miami nor Sargassum shows ads.

### Which is updated more often, St. John's Miami or Sargassum?

St. John's Miami ships an update every 6 weeks, and Sargassum every 5 weeks. Most recently, St. John's Miami was updated on November 3, 2026 and Sargassum on November 4, 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.*