Avalon Offshore vs NavimetriX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Avalon Offshore
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.
- Advanced weather routing
- NMEA 0183 and AIS integration
- Collision alarm
- Regatta start management
- 65 automatic weather models
- Bathymetric routing
- Navionics Boating map compatibility
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Avalon Offshore is a complete weather routing and navigation application . It works on iPads and iPhones. It also works on the new generation of Macbook Air and Pro,equipped with an ARM 64 chipset. Avalon Offshore integrated the whole set of functions that are useful to cruisers and offshore racers; weather routing, weather, navigation with NMEA 0183 and AIS collision alarm, anchoring alert, regatta start management wit laylines, etc… Avalon includes automatic loading of 65 weather models: NOAA GFS, Metro France Arpege,and Arome, DVD Icon, OpenWRF Skiron, etc Avalon also includes advanced functions such as: - Bathymetric weather routing, allowing calculation of routes taking into consideration the draft of the boat. - Simultaneous comparaison of routes across different weather models, different routes options, etc… - Free use of Avalon VPP to calculate customised VPP polars for single hull boats (main sail + genoa, code 0, gennaker, spinnaker, staysail and mizzen sail. - High compression of weather data on several models (GFS, Arpege, Icon, NAM Caraïbes et USA East) enabling to reduce by up to 95% volume of data, very efficient for satellite transmission (Iridium Go, Iridium Inmarsat, etc) - Easy weather routing module (from harbor to harbor) for a quick start of the app. - Compatible with ©Navionics Boating maps without additional cost. - Interfaced with ©Navily for a quick selection of the best moorings and harbors. - On time arrival : Calculate departure time to arrive on a given time - Compatible with ActiveLook® Augmented Reality glasses VPP Polars - Free use of Avalon VPP to customize your boat velocity preduction and adapt them to the exact caracteristics of your boat - Polar captation at sea Nautical Maps - Free raster nautical maps: NOAA, Linz, Brasil, New Zealand - In-app pack of maps derived from UKHO or SHOM covering France, UK Belgium, Portugal, Spain Carribean, Eastern and Western Mediterranean, Transatlantic, ... - Personal maps support: mbtiles, tif, kap, geotiff - Navionics maps: You can use your Navionics Boating maps with Avalon free of charge. Weather Sources - 65 automatic weather sources (wind, gust, current, wave and general weather) included in the Premium Option (in-app purchase) - Capability to load external grib files (as an alternative to the Premium option) - Capability to load external current grib from Tidetech® Includes one month free use of Premium options (see below) IN-APP PURCHASE: PREMIUM OPTION Includes: - Iridium data compression (reduce by 6 transmitted volumes) - additional weather sources: Arome, Arpege, NAM, CEP, Skiron .... - Weather data up to 394 hours including Wind, Gust, Waves, Precipitation, Storms, Cloud Coverage, Pressure, Temperature - Integration of currents in route calculation in covered areas (worldwide, Iberia Biscay and Ireland and Mediterranean sea) - Waves (Swell and wind waves) Privacy Policy and Terms of Use at: http://www.avalon-routing.com/new/privacy/ Warning: Continued use of GPS running in the background can dramatically decrease battery life. Policy and Terms of Use at: http://www.avalon-routing.com/new/privacy/
NavimetriX
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.
- 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
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NavimetriX is the next-generation cross-platform navigation app built for every sailor: weather, routing, currents, NMEA, AIS, marine charts, logbook and replay, always synchronized across all your devices. Whether you are a recreational boater, an offshore racer, or a long-distance cruiser, NavimetriX brings you everything you need, everywhere: • Multi-platform & cloud sync: Plan at home on your computer or tablet and instantly retrieve all your work onboard. Settings, routes, tracks and logbook follow your account. • Logbook & replay: Time-stamped, geolocated journal (eleven entry categories, periodic positions, MOB button), regulatory PDF export with SHA-256 fingerprint. Replay your trips with the weather of the day, the AIS vessels you met and your boat's polar. • Sharing: Send a trip through a simple web link, no account needed for the recipient, as a replay or LIVE. • Weather, waves, and currents: GRIB files from the world's top models (GFS, ECMWF IFS and AIFS, ICON, AROME, Arpège, WW3, Mercator…): wind, pressure, waves, currents, temperature, precipitation, CAPE. ECMWF archives on demand, AI-forecast rain and lightning, AI weather briefing exportable to PDF. • Advanced routing: High-performance routing engine, recompute with today's weather, course tracking, mark side, RTZ (ECDIS) import/export. Compare different routes and scenarios instantly. • Polars: Extensive library, five-view editor, ORC import, Sailchart with a sail inventory per routing. • Tides & tidal currents: (where available) Integrated predictions, sixth-diurnal constituents and shallow waters. • Marine charts: GeoGarage raster charts (SHOM, UKHO, NOAA, etc.) worldwide (GeoGarage subscription required), seamless offline navigation. • NMEA & AIS integration: Onboard NMEA 0183 instruments in real time, AIS targets with alarms and detailed info, your device's GPS if needed. • Customizable instruments: Instrument bar built by drag-and-drop from 14 gauge types (chart, rudder angle, GNSS satellites, energy, polar, wind dial, compass), barometer and ten-day barograph with alarm, readable without opening a track. • Anchor watch & alarms: Anchor zone, GPS-loss, zone and AIS alarms, remote SMS alerting as an option. • Rain radar & AIS weather stations: Real-time precipitation (where available), European OPERA radar composite, observations broadcast by AIS weather stations. • Remote cockpit: Follow another boat's live NMEA and AIS over the network. • An interface made for the sea: Full-screen chart, marine red night mode, color-blind friendly palette and an energy-saving mode. NavimetriX is designed by sailors, for sailors—combining powerful features with an intuitive and modern interface, and evolving constantly with regular updates. Subscription & Premium Option: • NavimetriX offers a Premium subscription giving access to all features. • Subscription options: annual (auto-renew) • Payment is charged to your app store account at purchase confirmation. Subscription renews automatically unless canceled. • To manage your subscription, go to your App Store account. • Cancel anytime; your access continues until the end of the paid period. NavimetriX: All your navigation, always synchronized, on any device, anywhere you sail. Terms of use: https://navimetrix.com/en/terms-and-conditions/ Privacy policy: https://navimetrix.com/en/legal/
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Avalon Offshore | NavimetriX |
|---|---|---|
| Price | $35.00 | Free — better |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 75.0% of reviews | 86.7% of reviews — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 weeks | Every 9 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 66 MB | 240 MB |
| Age rating | 4+ | 4+ |
| Developer | Avalon Navigation Systems | SOFT4SAIL |
Customer experience
Avalon Offshore
NavimetriX
In-app purchases
Avalon Offshore
- Premium Subscription$39.991 Year
- England and Ireland South 2024$29.00
- Portugal and Spain North 2024$29.00
- East Mediterranean 2024$29.00
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- Transatlantic Islands 2024$29.00
- West Mediterranean 2024$29.00
- Benelux and England East 2024$29.00
- East Mediterranean 2023$39.00
- Benelux and England East 2022$39.00
- England and Ireland South 2023$39.00
- Transatlantic Islands 2023$39.00
- West Mediterranean 2023$39.00
- Portugal and Spain North 2023$39.00
- UK and Ireland 2024$39.00
- UK and Ireland 2023$49.00
- France Mediterranee 2023 SHOM$99.99
- Lesser Antillas 2023$99.99
- SHOM 2024 - France Med$99.99
- Lesser Antillas 2024$99.99
- SHOM 2024 - France Manche$99.99
- SHOM 2024 - France Atlantique$99.99
NavimetriX
- Premium subscription7 Days trial$69.991 Year
Questions
Is Avalon Offshore free?
Is NavimetriX free?
Do Avalon Offshore or NavimetriX have ads?
Which is updated more often, Avalon Offshore or NavimetriX?
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