# Seasonality Pro vs LuckGrib

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.

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.

## The numbers

| Metric | Seasonality Pro | LuckGrib |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (7 ratings)](https://appshunter.io/ios/app/seasonality-pro/id949893263/reviews) | **[4.9 (343 ratings)](https://appshunter.io/ios/app/luckgrib/id1318450117/reviews)** |
| Number of ratings | 7 | **343** |
| Positive reviews | 37.5% of reviews | **92.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 42 MB | 173 MB |
| Requires iOS | **17.6** | 18.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gaucho Software, LLC.](https://appshunter.io/developer/373913408) | [Craig McPheeters](https://appshunter.io/developer/590365129) |

## What reviewers say

### Seasonality Pro

[App page](https://appshunter.io/ios/app/seasonality-pro/id949893263)

Visualize advanced weather model data with interactive maps. Explore surface temperature, pressure, wind, and more. Supports multiple high-resolution weather models for detailed forecasting.

**Highlights:** 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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Seasonality Pro 6 Month Subscription | $19.99 | one-time |
| Seasonality Pro 1 Year Subscription | $29.99 | one-time |


### 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 Seasonality Pro free?

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

### Is LuckGrib free?

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

### Which has better reviews, Seasonality Pro or LuckGrib?

LuckGrib is rated higher. Seasonality Pro averages 3.9 out of 5 from 7 ratings, while LuckGrib averages 4.9 from 343 ratings.

### Do Seasonality Pro or LuckGrib have ads?

Neither Seasonality Pro nor LuckGrib shows ads.

### Which is updated more often, Seasonality Pro or LuckGrib?

Seasonality Pro ships an update every 7 months, and LuckGrib every 2 months. Most recently, Seasonality Pro was updated on November 1, 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.*