# NOAA CBIBS vs LuckGrib

The clearest difference is review sentiment: LuckGrib at 93% against NOAA CBIBS's 46%. LuckGrib also leads on update cadence (every 2 months vs every 9 months) and chart position (#167 vs unranked). NOAA CBIBS's advantage is in-app purchases (none vs 6). On price, ads, device support and iOS requirement there is nothing between them.

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

NOAA CBIBS ships an update every 9 months, LuckGrib every 2 months. The most recent releases landed on September 13, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | NOAA CBIBS | LuckGrib |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (338 ratings)](https://appshunter.io/ios/app/luckgrib/id1318450117/reviews)** |
| Number of ratings | — | **338** |
| Positive reviews | 46.2% of reviews | **92.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Best chart rank | — | **#167** |
| Size | 15 MB | 173 MB |
| Requires iOS | 18.5 | **18.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chesapeake Conservancy](https://appshunter.io/developer/439920951) | [Craig McPheeters](https://appshunter.io/developer/590365129) |

## What reviewers say

### NOAA CBIBS

[App page](https://appshunter.io/ios/app/noaa-cbibs/id439920948)

Access real-time weather and water data collected by smart buoys in the Chesapeake Bay. This information supports the use and management of a healthy bay, improving safety, economy, and environmental protection.

**Highlights:** Real-time weather data, Real-time water data, Chesapeake Bay information, Supports bay management, Improves safety and environment

**Features:** macOS Compatibility

**In-app purchases:** none


### LuckGrib

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

**Currently charting:** #167 Top Grossing · Weather (US App Store)

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 NOAA CBIBS free?

NOAA CBIBS is free to download, with no in-app purchases.

### Is LuckGrib free?

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

### Do NOAA CBIBS or LuckGrib have ads?

Neither NOAA CBIBS nor LuckGrib shows ads.

### Which is updated more often, NOAA CBIBS or LuckGrib?

NOAA CBIBS ships an update every 9 months, and LuckGrib every 2 months. Most recently, NOAA CBIBS was updated on September 13, 2026 and LuckGrib on September 25, 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.*