# iMar vs Marea

The clearest difference is in-app purchases: iMar at none against Marea's 2. Marea's advantage is update cadence (every 2 months vs every 10 months) and review sentiment (50% vs 29%). On price, ads and device support there is nothing between them.

Both are free to download. Marea sells 2 one-off in-app purchases. iMar asks for nothing beyond the download.

iMar ships an update every 10 months, Marea every 2 months. The most recent releases landed on October 7, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | iMar | Marea |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 29.4% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 151 MB | 5 MB |
| Requires iOS | 10.0 | **8.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Puertos del Estado](https://appshunter.io/developer/1077674067) | [App Bakery](https://appshunter.io/developer/1585623049) |

## 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


### Marea

[App page](https://appshunter.io/ios/app/marea/id1247253028)

Check tide forecasts and moon phases with this app. Ideal for coastal areas or tidal rivers, it provides hour-by-hour tide information and allows for custom datum adjustments.

**Highlights:** Tide forecasts, Moon phase tracking, Hour-by-hour timeline navigation, Customizable datums (in-app purchase), Suitable for coastal and tidal river locations

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Datum Requests | $0.99 | one-time |
| 250 Datum Requests | $1.99 | one-time |


## Frequently asked questions

### Is iMar free?

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

### Is Marea free?

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

### Do iMar or Marea have ads?

Neither iMar nor Marea shows ads.

### Which is updated more often, iMar or Marea?

iMar ships an update every 10 months, and Marea every 2 months. Most recently, iMar was updated on October 7, 2026 and Marea on September 27, 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.*