Seasonality Pro vs LuckGrib
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Seasonality Pro
Visualize advanced weather model data with interactive maps. Explore surface temperature, pressure, wind, and more. Supports multiple high-resolution weather models for detailed forecasting.
- Interactive weather charts
- Vector format maps with zoom detail
- Data inspection via map probe
- Support for GFS, NAM, RAP, HRRR models
- Surface temperature and pressure charts
- Wind velocity and height contours
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Seasonality Pro has been discontinued. All features are now freely available. If you are currently a VIP subscriber, your subscription will not renew when it expires and you will continue to have access to the same features for free. Learn more at the link below. https://GetSeasonality.com/redirect/sunset/ Seasonality Pro offers meteorologists and weather enthusiasts the best way to visualize advanced weather model data on iPhone and iPad. Use Seasonality Pro to quickly access weather charts for forecasting. Here are just a few of the charts that are available: • Surface temperature and pressure. • 850mb temperature, heights, and wind. • 500mb vorticity, heights, and wind. • 250mb wind velocity and height contours. • Simulated RADAR reflectivity. • Wave heights and swell direction. The charts Seasonality Pro displays are not just static images, but maps that you can interact with and explore. Each map is drawn in vector format, so as you zoom in, everything is redrawn with amazing detail limited only by the resolution of each weather model. The data can be inspected by dragging the map probe to see exact values from certain locations. Weather models supported: • GFS (1.0°, 0.5°, and 0.25° resolution) • NAM (12km resolution with several domains) • RAP • GFSwave (several ocean domains) • HIRES ARW/NMMB • HRRR Download Seasonality Pro today! You won’t find a better app for visualizing weather model data.
LuckGrib
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.
- 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
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LuckGrib is a fully featured, easy to use, fast GRIB reader, viewer, downloader and weather router. Remote access to weather data via satellite. Advanced weather routing capabilities, for sailors, is available. Weather forecast data, packaged as GRIB files, can be downloaded directly from the LuckGrib server cluster. Downloads are available via: a direct high speed internet connection, or through the Iridium GO! as well as through the RedPort Optimizer. For sailors, LuckGrib offers a best-in-class, complete solution: industry leading visualization and ease of use, highly optimized weather data downloads via satellite, along with industry leading optimized weather routing and route analysis. Inshore sailors may not require satellite downloads, but will benefit from the rest of the system. LuckGrib is unique among apps that were originally designed for sailors, in that the weather analysis tools are powerful enough to attract attention from meteorologitsts. For sailors, meteorologists, and all weather enthusiasts, LuckGrib offers access to a wide range of high resolutions models, a number of global models, weather data at the surface, 850mb, 500mb and 250mb levels, parameters ranging from simple things such as wind, pressure and temperature, to more advanced quantities such as simulated radar, standard deviations, precipitable water, lightning, vertical vorticity, helicity and more. LuckGrib is a thoroughly modern and advanced GRIB viewer. LuckGrib provides access to many weather and ocean models, including global models such as GFS and ECMWF along with many high resolution models, which vary according to the region you are interested in. In the USA, there is the HRRR, NAM, NBM and many others. In Europe there is Icon-EU, Arpège, Arome, the Danish DINI and others. There are several ocean current models, such as the global RTOFS and Mercator Ocean, along with regional higher resolution models such as OFS, NCOM, CMEMS and others. The LuckGrib weather routing system is an industry leading, high quality, robust, high performance and comprehensive system. The LuckGrib isochronal Weather Routing solver has many unique features, such as being able to respect constraints (points that must be left to port or starboard,) deal with routes which require you to heave-to, outstanding visualization and interactivity features, and much more. LuckGrib comes with a 14 day free trial, or free access to reduced resolution downloads (LuckGrib Lite) for users who do not require access to the most accurate data. If you are interested in studying weather and gaining access to detailed weather forecasts, download the app and give it a try. Downloading data via satellite requires the Offshore Data in-app purchase. Access to the isochronal weather routing system requires an in-app purchase. Note that LuckGrib does not use a subscription pricing model - after the free trial, when you decide to purchase the app, there will be a one time charge, not an ongoing subscription. For more details, please visit the support website. * for details on the offshore data system: https://offshore.luckgrib.com * for details on weather routing: https://routing.luckgrib.com * for details on weather models: https://luckgrib.com/models * the privacy policy: https://luckgrib.com/privacy * terms of use: https://luckgrib.com/terms-of-use * end user license agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is review sentiment: LuckGrib at 93% against Seasonality Pro's 38%. LuckGrib also leads on rating (4.9 vs 3.9) and ratings volume (343 vs 7). On price, ads, in-app purchases and monetization model 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
Both are free to download. Seasonality Pro sells 2 one-off in-app purchases and LuckGrib sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
LuckGrib holds the better App Store score, 4.9 against 3.9. That said, the two scores are not equally well evidenced: LuckGrib has 343 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 38% of Seasonality Pro's written reviews are positive against 93% of LuckGrib's.
Seasonality Pro ships an update every 7 months, LuckGrib every 2 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.
| Parameter | Seasonality Pro | LuckGrib |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (7 ratings) | 4.9 (343 ratings) — better |
| Positive reviews | 37.5% of reviews | 92.7% of reviews — better |
| Number of ratings | 7 | 343 — better |
| Update frequency | Every 7 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 — better | 18.4 |
| Further details — not scored | ||
| Size | 42 MB | 173 MB |
| Age rating | 4+ | 4+ |
| Developer | Gaucho Software, LLC. | Craig McPheeters |
Customer experience
Seasonality Pro
LuckGrib
Bugs and requests
Seasonality Pro
Not enough reviews yet to summarise bugs or requests.
LuckGrib
Reported bugs
2 issues- Reported issues with 'no wind data for start time'
- Occasional app crashes or freezes
Requested features
3 requests- Integration with boat instruments and data logging
- More advanced routing options and customization
- Improved support for regional weather models
In-app purchases
Seasonality Pro
- Seasonality Pro 6 Month Subscription$19.99
- Seasonality Pro 1 Year Subscription$29.99
LuckGrib
- 14-day TrialFree
- 14 day trial of Offshore DataFree
- 14 day Weather Routing trialFree
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- LuckGrib weather data access$29.99
- Premium Offshore Data access$59.99
- Weather Routing access$59.99
Questions
Is Seasonality Pro free?
Is LuckGrib free?
Which has better reviews, Seasonality Pro or LuckGrib?
Do Seasonality Pro or LuckGrib have ads?
Which is updated more often, Seasonality Pro or LuckGrib?
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