# Avalon Offshore vs NavimetriX

The clearest difference is price: NavimetriX at Free against Avalon Offshore's $35.00. NavimetriX also leads on update cadence (every 9 days vs every 3 weeks) and review sentiment (87% vs 75%). Avalon Offshore's advantage is iOS requirement (13.0 vs 16.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

NavimetriX is free to download; Avalon Offshore costs $35.00 up front. Avalon Offshore sells 21 in-app purchases, starting at $39.99 per year and NavimetriX sells 1 in-app purchase, starting at $69.99 per year. Whichever you choose, the download price is not the number that matters.

Avalon Offshore ships an update every 3 weeks, NavimetriX every 9 days. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Avalon Offshore | NavimetriX |
| --- | --- | --- |
| Price | $35.00 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/navimetrix/id6751144072/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 75.0% of reviews | **86.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 66 MB | 240 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Avalon Navigation Systems](https://appshunter.io/developer/1802181177) | [SOFT4SAIL](https://appshunter.io/developer/1647221910) |

## What reviewers say

### Avalon Offshore

[App page](https://appshunter.io/ios/app/avalon-offshore/id975313021)

This app provides advanced weather routing and navigation for sailors. It offers detailed weather forecasts from numerous models, collision alerts, and route optimization based on boat draft. Compatible with various nautical maps and augmented reality glasses.

**Highlights:** Advanced weather routing, NMEA 0183 and AIS integration, Collision alarm, Regatta start management, 65 automatic weather models, Bathymetric routing, Navionics Boating map compatibility

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

**In-app purchases (21)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription | $39.99 | per year |
| England and Ireland South 2024 | $29.00 | one-time |
| Portugal and Spain North 2024 | $29.00 | one-time |
| East Mediterranean 2024 | $29.00 | one-time |
| Transatlantic Islands 2024 | $29.00 | one-time |
| West Mediterranean 2024 | $29.00 | one-time |
| Benelux and England East 2024 | $29.00 | one-time |
| East Mediterranean 2023 | $39.00 | one-time |
| Benelux and England East 2022 | $39.00 | one-time |
| England and Ireland South 2023 | $39.00 | one-time |
| Transatlantic Islands 2023 | $39.00 | one-time |
| West Mediterranean 2023 | $39.00 | one-time |
| Portugal and Spain North 2023 | $39.00 | one-time |
| UK and Ireland 2024 | $39.00 | one-time |
| UK and Ireland 2023 | $49.00 | one-time |
| France Mediterranee 2023 SHOM | $99.99 | one-time |
| Lesser Antillas 2023 | $99.99 | one-time |
| SHOM 2024 - France Med | $99.99 | one-time |
| Lesser Antillas 2024 | $99.99 | one-time |
| SHOM 2024 - France Manche | $99.99 | one-time |
| SHOM 2024 - France Atlantique | $99.99 | one-time |


### NavimetriX

[App page](https://appshunter.io/ios/app/navimetrix/id6751144072)

This app provides comprehensive marine navigation tools for sailors, including advanced weather forecasting, route optimization, tide predictions, and chart access. It synchronizes data across devices and integrates with onboard instruments for real-time performance tracking.

**Highlights:** Multi-platform cloud sync, Weather, waves, and currents forecasting, Advanced route optimization, Tides & tidal currents, Marine charts with offline access, NMEA & AIS integration, Performance tracking

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium subscription | $69.99 | per year |


## Frequently asked questions

### Is Avalon Offshore free?

Avalon Offshore costs $35.00, and also offers in-app purchases.

### Is NavimetriX free?

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

### Do Avalon Offshore or NavimetriX have ads?

Neither Avalon Offshore nor NavimetriX shows ads.

### Which is updated more often, Avalon Offshore or NavimetriX?

Avalon Offshore ships an update every 3 weeks, and NavimetriX every 9 days. Most recently, Avalon Offshore was updated on October 29, 2026 and NavimetriX on October 28, 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.*