Comparison

SailFlow vs Sоlаr Sсаnnеr

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SailFlow

Get hyper-accurate, real-time marine weather forecasts and live wind reports. This app uses proprietary weather systems and integrates public data for detailed wind, wave, tide, and radar information. Customize alerts and track your favorite sailing spots.

Highlights
  • Proprietary Tempest Weather Systems
  • Live wind and current station reports
  • AI-enhanced Nearcast forecasting
  • Radar, satellite, and precipitation maps
  • Tides charts and wave height
  • Customizable wind notifications
  • Nautical charts
Features
Currently charting
Read full description

Whether you’re racing, cruising, day sailing, you need precise sailing forecasts and real-time wind. SailFlow delivers both. Powered by 90,000+ exclusive Tempest Weather Stations and 150,000+ total sources, SailFlow’s weather and wind app delivers unmatched accuracy. With stations on buoys, piers, and key waterfront locations, you get real conditions exactly where you sail. Plan with confidence using our Tempest Rapid Refresh Model combined with government data to deliver industry-leading Nearcast AI predictions. Then go deeper with radar, high-resolution forecast maps, and fully customizable alerts so you never miss a session. Real wind. Better sails. - Coastal observations from proprietary Tempest Weather Systems along with all public domain marine forecasts and reports (NOAA, NWS, METAR, ASOS, CWOP) including all major airports creating over 150,000 unique stations. - Exclusive Tempest Weather Systems deployed at key coastal locations report wind, rain, barometric pressure and more than 24 other weather observations. - Apple Watch compatibility - Live wind from our stations support powerful wind flow visualization – augmented by current station reports with advanced quality control. - Our Proprietary AI-enhanced Nearcast provides enhanced forecasting for temperature, wind gust, speed, direction, humidity, dewpoint, precipitation rate, probability of precipitation, and cloud cover percentage which is perfect for sailing. - Public domain forecast models including High Resolution Rapid Refresh (HRRR), North American Mesoscale Forecast System (NAM), Global Forecast System (GFS), Canadian Meteorological Centre Model (CMC) and Icosahedral Non Hydrostatic Model (ICON). - Create your own favorite station list to keep an eye on your go-to weather stations at all your marine and sailing spots. Check the tides in minutes so you never miss a day on the water. - Maps: Live and Forecasted Wind Map, Forecasted Temperature, Radar, Satellite, Precipitation and Clouds, as well as Nautical Charts. - Free subscription for unlimited wind notifications/alerts with customizable thresholds to email, text, or in-app. - Monitor National Weather Service (NWS) Marine forecasts, high surf warnings, and other to better anticipate waves and current conditions, for safer, more informed decisions on the water. Additional weather parameters: - Tides charts - Wave height, wave period - Water temperature - Sunrise / sunset - Moonrise / moonset - Historical wind statistics - Windy days per month - Wind direction distribution Go Beyond the Basics: Upgrade to Plus, Pro, or Gold membership to gain access to more weather stations, ad-free browsing, and more. - Access exclusive Pro and hurricane-proof stations at premier coastal locations and unlock SailFlow’s hyper-accurate Pro forecasts, updated daily by expert meteorologists for sailing hotspots coast to coast. - Detailed weather at points of interest to coastal residents and property owners near the ocean, rivers, and other bodies of water. On the water features: - Sea surface temperatures - Sea surface currents - Detailed historical wind statistics - Historical wind speed average by year Does your spot need a station? Join the Tempest Weather Network! Get a Tempest Weather System for your club, dock, or backyard. Get support: help.weatherflow.com/hc/en-us/categories/200419268-iKitesurf-iWindsurf-SailFlow-FishWeather-WindAlert Connect with Tempest: - facebook.com/tempestwx - twitter.com/tempest_wx - youtube.com/@tempestwx - instagram.com/tempest.earth Contact Tempest: help.weatherflow.com/hc/en-us/requests/new Website: tempest.earth By purchasing a subscription or downloading SailFlow you agree that you have read and accept our Privacy Policy and Terms of Use. got.wf/privacy got.wf/terms

About

Sоlаr Sсаnnеr

Monitor your exposure to harmful UV rays with real-time data. This app provides the current UV index, temperature, and cloudiness, along with forecasts and customizable alerts to help you stay safe outdoors.

Highlights
  • Current UV index display
  • Temperature conversion (Celsius/Fahrenheit)
  • Sunrise and sunset times
  • Dangerous sun exposure times
  • 7-day UV index forecast
  • Customizable alerts for UV/temperature
  • Share current UV index
Features
Read full description

The sun brings us the light and warmth we need to live, but while sufficient sun exposure is very beneficial for a person’s health, overexposing oneself to UV rays might prove to be very dangerous. In our high-tech world the sun isn’t the only source of dangerous UV rays and certainly isn’t the biggest - different machines, equipment and even toys and everyday gadgets emit some amount of UV rays, but how can one protect himself from the danger that these rays might bring? Get rid of all modern technology? Go live deep in the forest? Luckily, there is no need to go that far. Our team brings you the best and most effective tool to help you stay safe from the dangers of UV rays, and that tool is Solar Scanner. Solar Scanner will show you the current UV index, temperatures and even cloudiness, so you can keep enjoying life to the fullest. Solar Scanner’s useful features that help you stay safe: Shows current ultraviolet index display Converts temperatures from Celsius to Fahrenheit Displays sunrise and sunset time Shows what time is the most dangerous to be out in the sun Displays current temperature and cloudiness Allows sharing current UV index with a friend Shows 7 days UV index forecast Sends notification when UV or temperature levels go above a certain point If it's predictable, it's preventable. Stay safe and enjoy life to the fullest with Solar Scanner. Subscription Payment will be charged to iTunes Account at confirmation of purchase. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Information about products not manufactured by Apple, or independent websites not controlled or tested by Apple, is provided without recommendation or endorsement. Apple assumes no responsibility with regard to the selection, performance, or use of third-party websites or products. Apple makes no representations regarding third-party website accuracy or reliability. Risks are inherent in the use of the Internet. Contact the vendor for additional information. Other company and product names may be trademarks of their respective owners. Terms of Service - https://solarscanner-app.com/terms.html Privacy Policy - https://solarscanner-app.com/privacy.html

Screenshots

SailFlow4 screens
Sоlаr Sсаnnеr4 screens

Verdict

The call

The clearest difference is monetization model: SailFlow at free with in-app purchases against Sоlаr Sсаnnеr's subscription. SailFlow also leads on review sentiment (84% vs 66%) and chart position (#34 vs unranked). On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SailFlow sells 10 in-app purchases, starting at $3.99 per month and Sоlаr Sсаnnеr sells 9 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

SailFlow ships an update every 3 weeks, Sоlаr Sсаnnеr every 2 weeks. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

Scorecard4 real differences · 7 level
SailFlow versus Sоlаr Sсаnnеr: the parameters behind the verdict, then further details
ParameterSailFlowSоlаr Sсаnnеr
PriceFreeFree
Rating4.7 (5.8K ratings) — better—
Positive reviews84.2% of reviews — better66.2% of reviews
Number of ratings5.8K — better—
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
Best chart rank#34 — better—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size137 MB15 MB
Age rating4+4+
DeveloperWeatherFlowSolid Gamma Limited

Customer experience

SailFlow

All ratings5,827 ratings
Positive96.6%
Neutral1.8%
Negative1.7%
Written reviews360 reviews
Positive84.2%
Neutral4.2%
Negative11.7%

Sоlаr Sсаnnеr

Written reviews130 reviews
Positive66.2%
Neutral0.0%
Negative33.8%

User reviews

SailFlow

From 5.8K App Store ratings

What we love

  • 🚀 Easy to navigate
  • 🚀 Accurate wind forecasts
  • 🚀 Helpful for planning
  • 🚀 Great data and graphics
  • 🚀 Reliable and trustworthy

Room to improve

  • 🐛 Occasional inaccurate forecasts
  • 🐛 Crashes or freezes
  • 💰 Expensive subscription
  • 🔍 Difficult to find specific locations
  • 🔍 Confusing interface at times

Sоlаr Sсаnnеr

From App Store reviews

What we love

  • 🌟 Excellent UV index forecasting
  • 📊 Detailed weather and UV information
  • 🔔 Helpful alerts and notifications
  • 🌍 Universal app with temperature conversion
  • 🤝 Ability to share UV index with friends

Room to improve

  • 💰 Concerns about high subscription cost
  • 🚫 Reports of unauthorized charges
  • 🤔 Skepticism about 5-star reviews
  • ⚠️ Warnings about potential scam/malware

Bugs and requests

SailFlow

Reported bugs

3 issues
  • Recent update caused app to crash
  • Favorites list not working properly
  • Wind direction arrow pointing incorrectly

Requested features

5 requests
  • Add more local weather stations
  • Improve map and location search
  • Provide more forecast models
  • Add support for Apple Watch
  • Fix wind direction arrow issue

Sоlаr Sсаnnеr

Reported bugs

2 issues
  • Blank/non-functional app after installation
  • Issues with automatic subscription renewals

Requested features

3 requests
  • Dark mode option
  • Customizable alert settings
  • Integration with fitness/health apps

In-app purchases

10 purchases

SailFlow

Subscriptions10
  • Plus$3.991 Month
  • Plus7 Days trial$5.491 Month
  • Gold$14.991 Month
Show 7 more
  • Pro7 Days trial$14.991 Month
  • Pro - Pay As You Go (auto-renewing)$19.991 Month
  • Gold7 Days trial$21.991 Month
  • Plus$44.991 Year
  • Plus7 Days trial$44.991 Year
  • Pro7 Days trial$119.991 Year
  • Gold$179.991 Year
9 purchases

Sоlаr Sсаnnеr

Subscriptions9
  • Weekly Premium3 Days trial$1.997 Days
  • Premium3 Days trial$5.997 Days
  • Premium3 Days trial2 variants$9.997 Days
Show 6 more
  • Monthly Premium3 Days trial$10.991 Month
  • Weekly Premium3 Days trial$11.997 Days
  • Premium3 Days trial$12.997 Days
  • Yearly Premium3 Days trial$39.991 Year
  • Monthly Premium3 Days trial$47.991 Month
  • Yearly Premium3 Days trial$89.991 Year

Questions

Is SailFlow free?
SailFlow is free to download, with in-app purchases available.
Is Sоlаr Sсаnnеr free?
Sоlаr Sсаnnеr is free to download, with in-app purchases available.
Do SailFlow or Sоlаr Sсаnnеr have ads?
Neither SailFlow nor Sоlаr Sсаnnеr shows ads.
Which is updated more often, SailFlow or Sоlаr Sсаnnеr?
SailFlow ships an update every 3 weeks, and Sоlаr Sсаnnеr every 2 weeks. Most recently, SailFlow was updated on October 26, 2026 and Sоlаr Sсаnnеr on October 27, 2026.

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