# iMar vs My Tides

The clearest difference is in-app purchases: iMar at none against My Tides's 2. iMar also leads on iOS requirement (10.0 vs 18.0). My Tides's advantage is update cadence (every 3 days vs every 10 months) and device support (4 vs 2). On price, review sentiment and ads there is nothing between them.

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

iMar ships an update every 10 months, My Tides every 3 days. The most recent releases landed on September 15, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | iMar | My Tides |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **29.4% of reviews** | 23.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 151 MB | 122 MB |
| Requires iOS | **10.0** | 18.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Puertos del Estado](https://appshunter.io/developer/1077674067) | [Agustin Prats](https://appshunter.io/developer/1191486614) |

## What reviewers say

### iMar

[App page](https://appshunter.io/ios/app/imar/id545093470)

Access real-time and forecasted sea conditions across Spain. View detailed data on waves, sea level, wind, and temperature for various locations. Includes animated forecasts and an alert system for coastal conditions.

**Highlights:** Real-time sea state data, Multi-day sea condition forecasts, Detailed oleaje, level, wind, and temperature data, Favorite location management, Animated wind and wave forecasts, Coastal alert system

**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 iMar free?

iMar 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 iMar or My Tides have ads?

Neither iMar nor My Tides shows ads.

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

iMar ships an update every 10 months, and My Tides every 3 days. Most recently, iMar was updated on September 15, 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.*