Comparison

OpenSnow vs ClimbDay

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

Head to head
About

OpenSnow

Get the most accurate snow forecasts, detailed snow reports, and severe weather maps. Access 15-day forecasts, local expert insights, and offline 3D maps for snow depth, avalanche risk, and more. Track storms with advanced radar and AI-powered weather systems.

Highlights
  • 15-Day Snow Forecast
  • Local Expert Snow Reports
  • 3D & Offline Weather Maps
  • AI-Powered Weather System
  • Severe Weather Tracking
  • Mountain Webcams
  • Snow Depth & Avalanche Risk Maps
Features
Read full description

OpenSnow is your trusted source for the most accurate snow forecast, snow report, and ski conditions. "Weather forecasting for the mountains takes extra focus, analysis, and precision, which is exactly what OpenSnow provides. The app is incredible, even for super weather nerds like myself." – Cody Townsend, Pro Skier 15-Day Snow Forecasts Finding the location that has the best snow conditions can feel overwhelming. With OpenSnow, deciding where to go is easy. View the latest 15-day snow forecast, snow report, conditions history, and mountain webcams for your favorite locations in just a few seconds. Local Daily Snow Experts Instead of spending hours sifting through weather data, get the inside scoop in just a few minutes. Our local experts write a new Daily Snow forecast each day in the winter for regions around the US, Canada, Europe, Japan, Australia, and New Zealand. Have one of our expert local forecasters guide you to the best snow conditions. 3D Weather + Snow Maps We make it easy to track incoming storms with super-res radar and global precipitation, radar, and snow forecast maps. You can also view 3D maps for snow depth, avalanche risk, slope angle, active fires, air quality, wildfire smoke, public and private land ownership, and more. Download high-resolution satellite maps to view offline. PEAKS + StormNet PEAKS is our state-of-the-art weather forecast model optimized for complex, mountain terrain. StormNet is our severe weather forecast model that produces real-time, high-resolution forecasts for lightning, hail, damaging winds, and tornadoes. Combined, PEAKS + StormNet provide a first-of-its-kind, fully operational multi-component weather forecast system. Daily Features • 15-Day Hourly Forecasts • Current + Forecast Radar • Precipitation Forecast Maps • Air Quality Forecasts • Wildfire Smoke Forecast Maps • 50,000+ Weather Stations • 3D + Offline Maps • Land Boundary + Private Ownership Maps • Recent Satellite Maps Snow + Ski Features • 15-Day Snow Forecast • Powder Quality Forecast • Snow Depth Map • Season Snowfall Map • Snow Forecast Alerts • Snow Forecast Maps • Offline Ski Resort Trail Maps • Snow Forecast + Report Widgets • Historical Snow Reports Severe Weather Features (US only) • Super-Res Radar • Lightning Risk • Tornado Risk • Hail Risk • Damaging Winds Risk • Severe Weather Alerts Free Features • My Location 15-Day Forecast • Snow Forecast 15-Day Summary • Historical Weather + Snow Reports • Snow Report Alerts • Avalanche Forecasts • Mountain Webcams • Active Fires Map • Air Quality Map • Slope Angle + Slope Aspect — Free Trial — New accounts automatically receive the full OpenSnow Premium experience, with no credit card or payment information required. If you choose not to purchase OpenSnow after the free trial is over, you will be automatically downgraded to a free account and not charged. — In-App Purchase — OpenSnow Base is an auto-renewable subscription, which will renew yearly at $49.99 USD. Payment will be charged to the user's Apple account at confirmation of purchase. The subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. The account will be charged for renewal within 24 hours prior to the end of the current period and identify the cost of the renewal. If the auto-renewal fails due to a payment issue, you will still be able to access the paid content for 16 days while Apple attempts to collect payment. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. Full terms and conditions can be found here: https://support.opensnow.com/legal/terms | https://support.opensnow.com/legal/privacy Sales through Apple will be governed by Apple’s refund policy. We value all of our customers and encourage you to provide feedback on your experience. Please get in touch with us by sending an email to hello@opensnow.com

About

ClimbDay

Features
Read full description

Tired of driving for miles to get to the crag only to find wet rock or humidity so high you can't hold the slopers? ClimbDay is your digital belay partner. The only weather app designed exclusively for climbers. Instead of making you decipher dozens of complex weather charts, ClimbDay analyzes the data for you and gives you a clear score from 0 to 100 on the "Grip Quality". Choose your Level in your profile, and the algorithm will adapt to your needs: • Beginner or Intermediate? The app will look for sunny days and mild temperatures to climb in total comfort. • Advanced? The app will analyze relative humidity and cool temperatures to guarantee perfect friction on your limit projects. MAIN FEATURES: • Ruthless Algorithm: We analyze Rain (even from previous days to spot "sweating" rock), Humidity, Temperatures, and Thunderstorm Risk to tell you exactly when to tie in. • Smart Push Notifications: Add your favorite crags or sectors, and we'll notify you when a "Perfect Grip" is on the way. • Gear Advice: Based on temperature and humidity, we suggest the right outfit (e.g., puffer jacket for the belayer or tank top) and essential accessories (e.g., extra chalk). • Legendary Database: Over 100 of the world's most famous crags and bouldering areas pre-loaded, from Yosemite to Fontainebleau, from Kalymnos to Arco. And if your secret sector isn't there, you can search and add it! • Webcams & Maps: Access live webcams of the area with a single tap to check conditions in real-time. CLIMBDAY PREMIUM: Upgrade to Premium to unlock the app's full potential: • Extended 10-day forecasts (to plan your weekends or trips in advance). • Unlimited crags saved on your Home screen. • Unlimited push notifications across all your sectors. Stop wasting skin and chalk. Download ClimbDay, pack your harness, and enjoy the perfect grip. --- Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

OpenSnow4 screens
ClimbDay4 screens

Verdict

The call

The clearest difference is ads: OpenSnow at none against ClimbDay's shown. OpenSnow also leads on chart position (#15 vs unranked). ClimbDay's advantage is update cadence (every 3 days vs every 11 days) and iOS requirement (13.0 vs 26.0). On price, in-app purchases and device support 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. OpenSnow sells 3 in-app purchases, starting at $49.99 per year and ClimbDay sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

OpenSnow ships an update every 11 days, ClimbDay every 3 days. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 7 level
OpenSnow versus ClimbDay: the parameters behind the verdict, then further details
ParameterOpenSnowClimbDay
PriceFreeFree
Rating4.7 (9.1K ratings) — better—
Positive reviews80.4% of reviews—
Number of ratings9.1K — better—
Update frequencyEvery 11 daysEvery 3 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
Best chart rank#15 — better—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.013.0 — better
Further details — not scored
Size126 MB66 MB
Age rating4+4+
DeveloperCloudnine Weather, Inc.Mariano Ceccarelli

Bugs and requests

OpenSnow

Reported bugs

2 issues
  • Occasional crashes or freezes on certain devices
  • Inconsistencies in the display of weather data and forecasts

Requested features

5 requests
  • Expand coverage to more international ski resorts
  • Improve offline functionality and data availability
  • Introduce more customization options for user preferences
  • Enhance integration with other outdoor activity planning apps
  • Provide more detailed snow and weather data for backcountry use

ClimbDay

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

OpenSnow

Subscriptions3
  • OpenSnow Legacy$49.991 Year
  • OpenSnow Base$49.991 Year
  • OpenSnow Base Legacy$49.991 Year
2 purchases

ClimbDay

Subscriptions2
  • ClimbDay Premium Monthly3 Days trial$1.991 Month
  • ClimbDay Premium Yearly7 Days trial$8.991 Year

Questions

Is OpenSnow free?
OpenSnow is free to download, with in-app purchases available.
Is ClimbDay free?
ClimbDay is free to download, with in-app purchases available.
Do OpenSnow or ClimbDay have ads?
ClimbDay shows ads; OpenSnow does not.
Which is updated more often, OpenSnow or ClimbDay?
OpenSnow ships an update every 11 days, and ClimbDay every 3 days. Most recently, OpenSnow was updated on October 31, 2026 and ClimbDay on October 24, 2026.

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