LuckGrib vs PredictCurrent
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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/
PredictCurrent
Navigate coastal waters with detailed tidal and ocean current maps. Access 10-day forecasts for currents, wind, waves, and sea temperatures. Essential for safe marine planning and exploration.
- Ultra-high-resolution 100m tidal current maps
- 400m and 4km global coastline coverage
- 10-day animated forecasts for currents, wind, and waves
- Hourly tide chart data
- Wind-against-current interaction analysis
- Sea temperature tracking
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Navigate coastal adventures with precision using real-time tidal current data from PredictWind. PredictCurrent delivers ultra-high-resolution 100m tidal current maps, plus 400m and 4km maps covering 90% of global coastlines. It also includes full ocean current coverage, empowering fishermen, sailors, and coastal explorers with essential tools for current tracking, tide planning, and marine navigation. Developed by PredictWind’s expert oceanographers, trusted globally for industry-leading forecasting, PredictCurrent supports confident and safe coastal navigation for boating, fishing, sailing, and kayaking. Why PredictCurrent - Unrivalled Precision: Ultra-high-resolution 100m tidal current maps provide unmatched detail for coastal tide planning, ideal for fishing, sailing, or paddle sports. Also includes 400m and 4km resolution maps. - Trusted Expertise: Built by PredictWind, pioneers in marine and ocean current forecasting, delivering professional-grade data. - Comprehensive Tracking: Monitor tidal currents, ocean currents, winds, waves, and sea temperatures with animated maps and hourly tide chart data for 10 days. - Coastal Navigation: Join fishermen, sailors, kayakers, and coastal explorers worldwide who rely on PredictWind’s marine weather and current data for informed navigation. Key Features - Ultra-High-Resolution 100m Tidal Current Maps: Visualise intricate nearshore water current movements with clarity, ideal for coastal navigation, route planning, and safety. - High-Resolution 400m & 4km Maps: Access tide and ocean current coverage for 90% of global coastlines, seamlessly integrated with live ocean current data. - Advanced Dashboard: Analyse wind-against-current interactions, wave heights, tide cycles, and directions using accurate ECMWF wind forecasts. - Animated 10-Day Forecasts: View dynamic tidal currents, ocean currents, wind, waves, and sea temperature forecasts on interactive marine maps. - Detailed Data Tables: Access hourly data on current speed and direction, plus alerts for wind-against-current situations. Tailored for fisherman, sailors, kayakers, and coastal adventurers, PredictCurrent offers essential tools for safe marine planning—backed by PredictWind’s proven ocean data and current tracking accuracy. Start with a 14-day free trial. Access ultra-high-resolution tidal current data, tide charts, ocean current forecasts, wind, waves, and sea temperature tools for your next coastal journey. Terms & Conditions: https://www.predictcurrent.com/terms-and-conditions Privacy Policy: https://www.predictcurrent.com/privacy-policy
Screenshots
Verdict
The clearest difference is review sentiment: LuckGrib at 93% against PredictCurrent's 57%. LuckGrib also leads on rating (4.9 vs 4.5). PredictCurrent's advantage is chart position (#64 vs unranked) and update cadence (monthly vs every 2 months). On price, ratings volume, ads and in-app purchases 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. LuckGrib sells 6 one-off in-app purchases and PredictCurrent sells 5 in-app purchases, starting at $15.00 per month. Whichever you choose, the download price is not the number that matters.
LuckGrib holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 338 and 255 respectively. Written reviews point the same way: 93% of LuckGrib's written reviews are positive against 57% of PredictCurrent's.
LuckGrib ships an update every 2 months, PredictCurrent monthly. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.
| Parameter | LuckGrib | PredictCurrent |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (338 ratings) — better | 4.5 (255 ratings) |
| Positive reviews | 92.7% of reviews — better | 56.6% of reviews |
| Number of ratings | 338 — better | 255 |
| Update frequency | Every 2 months | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | — | #64 — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.4 | 16.0 — better |
| Further details — not scored | ||
| Size | 173 MB | 50 MB |
| Age rating | 4+ | 4+ |
| Developer | Craig McPheeters | PredictWind Limited |
Customer experience
LuckGrib
PredictCurrent
User reviews
LuckGrib
From 338 App Store ratingsWhat we love
- 🚀 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
Room to improve
- 🐛 Occasional issues with GRIB file downloads
- ⚠️ Steep learning curve for some features
- 🔍 Lack of support for some boat types (e.g., catamarans)
PredictCurrent
From 255 App Store ratingsWhat we love
- 📊 Detailed hour-by-hour current visualizations
- 🎯 Accurate tidal and current predictions
- 👍 Intuitive and user-friendly interface
- 🌊 Comprehensive water condition data (wind, tide, waves, temperature)
- 💼 Valuable competitive advantage for water sports professionals
Room to improve
- 💰 Expensive subscription pricing ($24-30 quarterly)
- 🚫 Mandatory account creation required
- 📍 Limited geographic coverage and location availability
- ⏰ Forecast data limited to short timeframes (until 11am-noon next day)
- 🔐 Privacy concerns regarding personal data collection
Bugs and 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
PredictCurrent
Reported bugs
8 issues- Unable to add location error messages despite valid coordinates
- Location setup fails to respond or complete
- Password not saved correctly in database, preventing login
- Account creation fails with character handling errors
- App crashes when setting locations
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- Free trial access inconsistent across devices
- iPad version blocks access to charts despite iPhone trial access
- Data unavailable errors at valid deep water locations
Requested features
9 requests- Extended forecast data for full 24-hour next day coverage
- Smaller time increment stepping (sub-hourly) for racing
- Exact tide turn time information beyond hourly data
- Legend/symbol guide for app indicators
- Improved coastal and estuarine modeling
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- Better 100m resolution coverage beyond UK Solent region
- Cross-platform synchronization between iPhone and iPad
- Offline access to saved locations
- Multi-language support (German, French, etc.)
In-app purchases
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
PredictCurrent
- PredictCurrent Pro 1-Month14 Days trial$15.001 Month
- PredictCurrent Pro 3-Monthly14 Days trial$29.003 Months
- PredictCurrent Pro 3-Monthly3 Days trial$29.003 Months
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- PredictCurrent Pro 3-Monthly7 Days trial$29.003 Months
- PredictCurrent Pro Annual14 Days trial$99.001 Year
Questions
Is LuckGrib free?
Is PredictCurrent free?
Which has better reviews, LuckGrib or PredictCurrent?
Do LuckGrib or PredictCurrent have ads?
Which is updated more often, LuckGrib or PredictCurrent?
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