# Mareas vs Mareas Sanlucar

The clearest difference is update cadence: Mareas Sanlucar at daily against Mareas's every 3 months. Mareas's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 17.6). On price, 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.

Mareas ships an update every 3 months, Mareas Sanlucar daily. The most recent releases landed on October 17, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Mareas | Mareas Sanlucar |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Free | — |
| Size | 56 MB | 3 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ruben Fernandez](https://appshunter.io/developer/1013021034) | [Gonzalo Barba Lopez](https://appshunter.io/developer/1812040676) |

## What reviewers say

### Mareas

[App page](https://appshunter.io/ios/app/mareas/id1522201767)

Access tide information for Spanish ports offline. View tide status, current height, and upcoming high/low tides. Includes home screen widgets and Apple Watch support.

**Highlights:** Offline tide data for Spanish ports, Current tide status (rising/falling), Tide height and coefficients, Upcoming high and low tides, Home screen and lock screen widgets, Apple Watch companion app, Siri integration for tide queries

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Mareas Sanlucar

[App page](https://appshunter.io/ios/app/mareas-sanlucar/id6755430443)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mareas free?

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

### Is Mareas Sanlucar free?

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

### Do Mareas or Mareas Sanlucar have ads?

Neither Mareas nor Mareas Sanlucar shows ads.

### Which is updated more often, Mareas or Mareas Sanlucar?

Mareas ships an update every 3 months, and Mareas Sanlucar daily. Most recently, Mareas was updated on October 17, 2026 and Mareas Sanlucar on October 15, 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.*