# PosidoniaMaps vs PortView Mobile

The clearest difference is in-app purchases: PosidoniaMaps at none against PortView Mobile's 1. PosidoniaMaps also leads on iOS requirement (14.5 vs 16.4). PortView Mobile's advantage is update cadence (every 2 weeks vs every 5 months) and review sentiment (100% vs 80%). On price, ads and device support there is nothing between them.

Both are free to download. PortView Mobile sells 1 in-app purchase, starting at $12.49 per year. PosidoniaMaps asks for nothing beyond the download.

PosidoniaMaps ships an update every 5 months, PortView Mobile every 2 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | PosidoniaMaps | PortView Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 68 MB | 68 MB |
| Requires iOS | **14.5** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Movired 2000 S.L](https://appshunter.io/developer/1394037133) | [Ports Software Solutions](https://appshunter.io/developer/1741775455) |

## What reviewers say

### PosidoniaMaps

[App page](https://appshunter.io/ios/app/posidoniamaps/id1409763408)

This app provides high-resolution underwater maps to help boaters navigate and find safe mooring spots, even in poor visibility. It aims to protect vital Posidonia oceanic meadows by making them visible and encouraging responsible anchoring.

**Highlights:** High-resolution underwater maps, Safe mooring guidance, Low visibility navigation, Posidonia meadow mapping, Environmental protection tool

**Features:** macOS Compatibility

**In-app purchases:** none


### PortView Mobile

[App page](https://appshunter.io/ios/app/portview-mobile/id1517446556)

This app simplifies marina arrivals and enhances the boating experience. It provides smart access, real-time notifications, and AR-guided navigation to your assigned berth. Focus on sailing with seamless marina integration.

**Highlights:** Assigned berth location, Phone-based marina access via QR codes, Real-time marina notifications, Augmented reality navigation, Voice and AR berth guidance, Community-shared sea alerts

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| $12.49 year | $12.49 | per year |

**What reviewers like**

- 👍 Easy to use and practical
- 🗺️ Accurate and detailed maps
- 📍 Excellent guidance to mooring
- ✨ Innovative augmented reality feature
- 💰 Affordable and great value

**What reviewers complain about**

- ⚠️ Difficulty detecting AIS targets
- ❓ Password management and communication issues
- 📉 Offline maps became a paid service
- 🚧 Missing some shallow places when creating routes
- 🖱️ Back button behavior could be improved

**Reported bugs**

- Payment setup button not working
- Blank screen when trying to contact support

**Requested features**

- Include tidal streams for better passage planning
- Add a function to estimate maximum fuel range with alarms
- An icon showing current location
- Improve back button functionality to deselect coordinates instead of exiting app


## Frequently asked questions

### Is PosidoniaMaps free?

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

### Is PortView Mobile free?

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

### Do PosidoniaMaps or PortView Mobile have ads?

Neither PosidoniaMaps nor PortView Mobile shows ads.

### Which is updated more often, PosidoniaMaps or PortView Mobile?

PosidoniaMaps ships an update every 5 months, and PortView Mobile every 2 weeks. Most recently, PosidoniaMaps was updated on November 2, 2026 and PortView Mobile on November 3, 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.*