# Avalon Offshore vs LuckGrib

The clearest difference is price: LuckGrib at Free against Avalon Offshore's $35.00. LuckGrib also leads on review sentiment (93% vs 75%). Avalon Offshore's advantage is in-app purchases (none vs 6) and update cadence (every 3 weeks vs every 2 months). On ads, monetization model and device support there is nothing between them.

LuckGrib is free to download; Avalon Offshore costs $35.00 up front. LuckGrib sells 6 one-off in-app purchases. Avalon Offshore asks for nothing beyond the download.

Avalon Offshore ships an update every 3 weeks, LuckGrib every 2 months. Both last shipped on November 6, 2026.

## The numbers

| Metric | Avalon Offshore | LuckGrib |
| --- | --- | --- |
| Price | $35.00 | **Free** |
| Rating | — | **[4.9 (343 ratings)](https://appshunter.io/ios/app/luckgrib/id1318450117/reviews)** |
| Number of ratings | — | **343** |
| Positive reviews | 75.0% of reviews | **92.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 66 MB | 173 MB |
| Requires iOS | **13.0** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Avalon Navigation Systems](https://appshunter.io/developer/1802181177) | [Craig McPheeters](https://appshunter.io/developer/590365129) |

## 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:** none


### LuckGrib

[App page](https://appshunter.io/ios/app/luckgrib/id1318450117)

This app provides advanced weather data visualization, downloading, and routing for sailors and weather enthusiasts. It offers access to a wide range of global and high-resolution weather and ocean models, with features for optimizing routes and analyzing complex weather parameters. Remote access via satellite is also supported.

**Highlights:** GRIB file reader, viewer, and downloader, Advanced weather routing and route analysis, Satellite data access, High-resolution global and regional weather models, Ocean current models, Detailed weather parameter analysis

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 14-day Trial | Free | one-time |
| 14 day trial of Offshore Data | Free | one-time |
| 14 day Weather Routing trial | Free | one-time |
| LuckGrib weather data access | $29.99 | one-time |
| Premium Offshore Data access | $59.99 | one-time |
| Weather Routing access | $59.99 | one-time |

**What reviewers like**

- 🚀 Excellent weather forecasting and routing
- 👍 Intuitive and user-friendly interface
- 💡 Wide range of weather models and data sources
- 🚢 Tailored for sailors and offshore navigation
- 💰 One-time purchase, no subscription fees

**What reviewers complain about**

- 🐛 Occasional issues with GRIB file downloads
- ⚠️ Steep learning curve for some features
- 🔍 Lack of support for some boat types (e.g., catamarans)

**Reported bugs**

- Reported issues with 'no wind data for start time'
- Occasional app crashes or freezes

**Requested features**

- Integration with boat instruments and data logging
- More advanced routing options and customization
- Improved support for regional weather models


## Frequently asked questions

### Is Avalon Offshore free?

Avalon Offshore costs $35.00, with no in-app purchases.

### Is LuckGrib free?

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

### Do Avalon Offshore or LuckGrib have ads?

Neither Avalon Offshore nor LuckGrib shows ads.

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

Avalon Offshore ships an update every 3 weeks, and LuckGrib every 2 months. Most recently, Avalon Offshore was updated on November 6, 2026 and LuckGrib on November 6, 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.*