# SeaNav vs WindSpeed MPH

The clearest difference is price: SeaNav at Free against WindSpeed MPH's $4.99. SeaNav also leads on update cadence (every 3 weeks vs every 23 months). WindSpeed MPH's advantage is in-app purchases (none vs 18) and iOS requirement (12.0 vs 15.6). On ads and device support there is nothing between them.

SeaNav is free to download; WindSpeed MPH costs $4.99 up front. SeaNav sells 18 in-app purchases, starting at $4.99 per year. WindSpeed MPH asks for nothing beyond the download.

SeaNav ships an update every 3 weeks, WindSpeed MPH every 23 months. The most recent releases landed on October 18, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | SeaNav | WindSpeed MPH |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.4 (247 ratings)](https://appshunter.io/ios/app/seanav/id857841271/reviews)** | — |
| Number of ratings | **247** | — |
| Positive reviews | 54.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 23 months |
| Monetization | Free with in-app purchases | — |
| Size | 159 MB | 49 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pocket Mariner Ltd.](https://appshunter.io/developer/719592131) | [Anders Falck](https://appshunter.io/developer/941097539) |

## What reviewers say

### SeaNav

[App page](https://appshunter.io/ios/app/seanav/id857841271)

This app provides high-resolution marine charts, route planning, and real-time navigation for boaters. It offers features like AIS ship tracking, tide and weather information, and offline chart access. Advanced capabilities include augmented reality views and autopilot integration.

**Highlights:** High-resolution marine charts, Autoroute planning, Real-time GPS navigation, AIS ship tracking, Tides and weather, Offline chart access, Augmented Reality View

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

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weather charts | $4.99 | per year |
| New Zealand Charts | $5.99 | per year |
| NOAA US Raster Charts | $9.99 | per year |
| US Charts | $9.99 | per month |
| Pro Features | $10.49 | per year |
| Bermuda and BVI Charts | $12.99 | per year |
| Italy, Sardinia and Sicily | $17.99 | per year |
| Norwegian Charts | $18.49 | per year |
| US Charts | $19.99 | per year |
| Portuguese Charts | $19.99 | per year |
| BE & NL Charts | $20.99 | per year |
| Spanish Charts | $24.99 | per year |
| UK & IE Charts | $24.99 | per year |
| French Charts | $24.99 | per year |
| Canadian Charts | $26.99 | per year |
| Croatian Charts | $28.49 | per year |
| Man Overboard & Anchor Watch | $4.99 | one-time |
| Pro Features | $14.99 | one-time |

**What reviewers like**

- 👍 Easy to use and great price
- 👍 Much easier to use than competitors
- 👍 UKHO Charts at a reasonable price
- 👍 Intuitive interface, clear and uncluttered
- 👍 Supports NMEA data integration

**What reviewers complain about**

- 🐛 Frozen/locked app
- 💰 Neil and dime for everything
- ❌ Not picking up vessels or ship traffic
- ❌ Charts not good, weather not working
- ❌ Difficult to download and update charts

**Reported bugs**

- Frozen/locked app
- Not picking up vessels or ship traffic
- App does not open
- Crashes after crashes
- Sailing mode crash

**Requested features**

- Can you see water depth on Apple Watch?
- Download all purchased charts button
- Update all purchased charts button
- Legend for symbols and colors
- Brief chart reading explainer


### WindSpeed MPH

[App page](https://appshunter.io/ios/app/windspeed-mph/id1348011950)

**In-app purchases:** none


## Frequently asked questions

### Is SeaNav free?

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

### Is WindSpeed MPH free?

WindSpeed MPH costs $4.99, with no in-app purchases.

### Do SeaNav or WindSpeed MPH have ads?

Neither SeaNav nor WindSpeed MPH shows ads.

### Which is updated more often, SeaNav or WindSpeed MPH?

SeaNav ships an update every 3 weeks, and WindSpeed MPH every 23 months. Most recently, SeaNav was updated on October 18, 2026 and WindSpeed MPH on October 9, 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.*