Snow Day
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Snow Day vs. other snow day predictors
There are dozens of snow day calculators. Most are free websites paid for by ads, a few are apps with subscriptions, and none of them run on Apple Watch or explain their number. Here is how Snow Day compares, using each product's own App Store listing or website as of September 2026.
| Snow Day | Snow Day Calculator (app) | Flurry: Snow Day Predictor | Snow Day Predictor Weathercan | Web calculators | |
|---|---|---|---|---|---|
| Price | $0.99 once | $0.99 plus $0.99–$2.99 subscriptions for text alerts | Free | Free with $1.99/week to $29.99/year subscriptions | Free |
| Ads | None | Free web version is ad-supported | Not stated | Not stated | Usually ad-supported |
| Tracking / data collected | None. "Data Not Collected" on the App Store | Device ID for analytics | None stated | Identifiers used for tracking and advertising | Varies; typically ad networks |
| Coverage | Canada and the US, with alerts from both | US only (NWS by ZIP) | US only (NWS) | Canada only | Varies; ZIP or postal code |
| Apple Watch | Full app plus complications | No | No | No | No |
| Widgets | Home screen and lock screen | No | No | Yes, plus Live Activities | No |
| Notifications | One evening notification, threshold and time you choose; never repeats | Paid text alerts | Closure notifications | Morning notifications | Come back and check |
| Explains the number | Yes: every driver, with the measured value | No | Partly | Partly | Rarely |
| Tuned to your board | Tolerance and cold-policy settings | School groups | No | No | No |
| Last updated | 2026 | December 2020 | 2025 | 2025 | Varies |
Snow Day vs. Snow Day Calculator
David Sukhin's Snow Day Calculator is the original, and its website is still the best-known name in the category. The iPhone app costs $0.99, then charges $0.99 to $2.99 for text alerts, uses US National Weather Service data by ZIP code, collects a device identifier for analytics, and was last updated in December 2020. It has no Apple Watch app or widgets. Snow Day covers Canada as well as the US, shows its reasons, runs on your wrist, and never charges again.
Snow Day vs. Flurry
Flurry is a free US-only predictor that describes a nine-factor algorithm and offers a seven-day outlook and radar. It is honest about not collecting data. It has no Apple Watch app or widgets, and no way to tell it how easily your board cancels. Snow Day trades the radar for a model you can read, an Apple Watch app, and both countries' official alerts.
Snow Day vs. Snow Day Predictor Weathercan
Weathercan is Canada-only, free to install, and sells weekly, monthly and yearly subscriptions. Its App Store privacy label declares identifiers used to track you across other companies' apps for advertising. It has widgets and Live Activities but no Apple Watch app. Snow Day is a single 99-cent purchase with nothing collected, and adds the watch.
Snow Day vs. free web calculators
Sites like snowdaycalculator.com, snowpredictor.ca, snowdaypredictor.com and snow-calculator.com answer the same question in a browser. They are free, most run ads, and most tell you to come back between 5 and 6 AM and check again. None can tap you on the wrist at 9 PM, none put a number on your lock screen, and few say how the number was made. If you check once a winter, a website is fine. If you check every storm, Snow Day is the one that checks for you.
Facts about other products come from their public App Store listings and websites and may change. Product names belong to their owners.