# Marés vs My Tides

The clearest difference is in-app purchases: Marés at none against My Tides's 2. Marés also leads on iOS requirement (13.0 vs 18.0). My Tides's advantage is update cadence (every 3 days vs every 4 months). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. My Tides sells 2 in-app purchases, starting at $8.99 per year. Marés asks for nothing beyond the download.

Marés ships an update every 4 months, My Tides every 3 days. The most recent releases landed on September 21, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Marés | My Tides |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/mares/id526714068/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 19.0% of reviews | **23.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 26 MB | 122 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Casa Civil (Ceara)](https://appshunter.io/developer/1416022726) | [Agustin Prats](https://appshunter.io/developer/1191486614) |

## What reviewers say

### Marés

[App page](https://appshunter.io/ios/app/mares/id526714068)

Access weekly tide table information for Mucuripe and Pecém ports. Includes details on moon phases.

**Highlights:** Weekly tide tables, Mucuripe port data, Pecém port data, Moon phase information

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

**In-app purchases:** none


### My Tides

[App page](https://appshunter.io/ios/app/my-tides/id1545819956)

Get precise tidal predictions for over 6,000 stations worldwide, entirely offline. Access live tide charts, detailed tables, moon phases, and sun events. Plan your outdoor activities with home screen widgets and Apple Watch support.

**Highlights:** Offline tide predictions, Live tide charts, Detailed tide tables, Moon phases and sun events, Home screen widgets, Apple Watch app, Siri and Shortcuts support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly Subscription | $8.99 | per year |
| Lifetime Access | $24.99 | one-time |


## Frequently asked questions

### Is Marés free?

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

### Is My Tides free?

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

### Do Marés or My Tides have ads?

Neither Marés nor My Tides shows ads.

### Which is updated more often, Marés or My Tides?

Marés ships an update every 4 months, and My Tides every 3 days. Most recently, Marés was updated on September 21, 2026 and My Tides on September 11, 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.*