# LuckGrib vs Marine Barometer

The clearest difference is in-app purchases: Marine Barometer at none against LuckGrib's 6. Marine Barometer also leads on iOS requirement (12.0 vs 18.4). LuckGrib's advantage is update cadence (every 2 months vs every 15 months) and rating (4.9 vs 4.5). On price, ads and device support there is nothing between them.

Both are free to download. LuckGrib sells 6 one-off in-app purchases. Marine Barometer asks for nothing beyond the download.

LuckGrib holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: LuckGrib has 343 ratings behind it against 33, so its average is the more settled of the two. Written reviews point the same way: 93% of LuckGrib's written reviews are positive against 78% of Marine Barometer's.

LuckGrib ships an update every 2 months, Marine Barometer every 15 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | LuckGrib | Marine Barometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (343 ratings)](https://appshunter.io/ios/app/luckgrib/id1318450117/reviews)** | [4.5 (33 ratings)](https://appshunter.io/ios/app/marine-barometer/id1370744934/reviews) |
| Number of ratings | **343** | 33 |
| Positive reviews | **92.7% of reviews** | 77.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 15 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 173 MB | 38 MB |
| Requires iOS | 18.4 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Craig McPheeters](https://appshunter.io/developer/590365129) | [Starpath Corp](https://appshunter.io/developer/1345556660) |

## What reviewers say

### 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


### Marine Barometer

[App page](https://appshunter.io/ios/app/marine-barometer/id1370744934)

This app provides accurate atmospheric pressure readings for mariners, allowing them to manually save readings with location and time data. It explains sea level pressure calculation and offers calibration checks with adjustable sensor offsets.

**Highlights:** Accurate atmospheric pressure readings, Manual saving of pressure, location, and time, Sensor offset adjustment, Sea level pressure explanation, Calibration check instructions, Multiple pressure unit options

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is LuckGrib free?

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

### Is Marine Barometer free?

Marine Barometer is free to download, with no in-app purchases.

### Which has better reviews, LuckGrib or Marine Barometer?

LuckGrib is rated higher. LuckGrib averages 4.9 out of 5 from 343 ratings, while Marine Barometer averages 4.5 from 33 ratings.

### Do LuckGrib or Marine Barometer have ads?

Neither LuckGrib nor Marine Barometer shows ads.

### Which is updated more often, LuckGrib or Marine Barometer?

LuckGrib ships an update every 2 months, and Marine Barometer every 15 months. Most recently, LuckGrib was updated on October 26, 2026 and Marine Barometer on October 24, 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.*