Comparison

OpenSnow vs Mr. Chilly

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 severe weather maps. "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 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 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 mountain weather forecast model that is up to 50% more accurate in complex 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

Mr. Chilly

This app provides detailed weather information for San Francisco's diverse microclimates and the entire Bay Area. View current temperatures, future forecasts, and dynamic heatmaps to plan your outdoor activities.

Highlights
  • Hourly forecasts (24 hours)
  • Dynamic temperature heatmaps
  • Day/night cycle visualization
  • San Francisco microclimate view
  • Bay Area and Peninsula weather
Features
Read full description

See the weather in San Francisco’s different microclimates, or zoom out to check the whole Bay Area! View the temperature in various neighborhoods and towns, and check out future forecasts. Want to see if Dolores Park is warm enough to pop open an ice cold… water? Need to choose between Ocean Beach and Half Moon Bay? Mr. Chilly has your back. Features: - Accurate hourly forecasts for the next 24 hours - Dynamic temperature heatmaps - Day/night cycle - Check San Francisco's microclimates or zoom out to see the Bay Area / Peninsula Mr. Chilly was created by: Alexander Chia & Anna Bleker.

Screenshots

OpenSnow4 screens
Mr. Chilly4 screens

Verdict

The call

The clearest difference is update cadence: OpenSnow at every 11 days against Mr. Chilly's every 5 weeks. OpenSnow also leads on chart position (#30 vs unranked). Mr. Chilly's advantage is rating (4.9 vs 4.7) and iOS requirement (13.0 vs 17.0). On price, review sentiment, ratings volume and ads 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 Mr. Chilly sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Mr. Chilly holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 9.1K and 6.8K respectively. Written reviews point the same way: 80% of OpenSnow's written reviews are positive against 86% of Mr. Chilly's.

UpkeepUpdate frequency

OpenSnow ships an update every 11 days, Mr. Chilly every 5 weeks. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

Scorecard4 real differences · 7 level
OpenSnow versus Mr. Chilly: the parameters behind the verdict, then further details
ParameterOpenSnowMr. Chilly
PriceFreeFree
Rating4.7 (9.1K ratings)4.9 (6.8K ratings) — better
Positive reviews80.4% of reviews86.5% of reviews — better
Number of ratings9.1K — better6.8K
Update frequencyEvery 11 days — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank#30 — better—
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.013.0 — better
Further details — not scored
Size125 MB12 MB
Age rating4+4+
DeveloperCloudnine Weather, Inc.Alexander Chia

Customer experience

OpenSnow

All ratings9,057 ratings
Positive92.1%
Neutral1.2%
Negative6.7%
Written reviews848 reviews
Positive80.4%
Neutral3.7%
Negative15.9%

Mr. Chilly

All ratings6,785 ratings
Positive98.0%
Neutral1.1%
Negative0.9%
Written reviews111 reviews
Positive86.5%
Neutral4.5%
Negative9.0%

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

Mr. Chilly

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
1 purchases

Mr. Chilly

One-time1
  • No Ads$1.99

Questions

Is OpenSnow free?
OpenSnow is free to download, with in-app purchases available.
Is Mr. Chilly free?
Mr. Chilly is free to download, with in-app purchases available.
Which has better reviews, OpenSnow or Mr. Chilly?
Mr. Chilly is rated higher. OpenSnow averages 4.7 out of 5 from 9.1K ratings, while Mr. Chilly averages 4.9 from 6.8K ratings.
Do OpenSnow or Mr. Chilly have ads?
Neither OpenSnow nor Mr. Chilly shows ads.
Which is updated more often, OpenSnow or Mr. Chilly?
OpenSnow ships an update every 11 days, and Mr. Chilly every 5 weeks. Most recently, OpenSnow was updated on October 13, 2026 and Mr. Chilly on October 9, 2026.

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