Comparison

Mr. Chilly vs Astrospheric

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

Head to head
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
Currently charting
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.

About

Astrospheric

This app offers advanced weather forecasting and astronomical data for stargazers and astrophotographers. It provides detailed hourly forecasts, cloud and sky transparency reports, and alerts for celestial events. It also includes tools for astronomical societies and offline site setup.

Highlights
  • 84-hour hourly weather forecast
  • Ensemble cloud forecast
  • Kp index for Aurora
  • ISS flyover paths
  • Integrated smoke forecast
  • Sky and ground data
  • Rise and set times
  • Solar and Lunar eclipse data
Features
Read full description

Astrospheric provides advanced weather tools for professional astronomers and astrophotographers, and supports hundreds of astronomical societies with tools that help members stay connected. Are you using what the pros use? Features • 84 hour, hour-by-hour forecast • Free notification reminders for major astronomical events, customized for your location • Ensemble cloud forecast lets you quickly compare the major forecast models with hourly updates (Astrospheric Pro) • Extended cloud forecast • Kp index for Aurora viewing (and alerts with Pro) • International Space Station (ISS) flyover paths and times • Astrospheric is the only astronomy service that integrates the smoke forecast into the transparency report • Sky data: cloud, sky transparency, seeing • Ground data: wind, temperature, and humidity • Precise rise and set times for both the sun and moon • Get weather alerts when conditions meeting your requirements are met (Astrospheric Pro) • Details Solar and Lunar eclipse data Astronomical Societies • Stay connected with chat, image sharing, and event planning with all of your members. • Qualifying astronomical societies can get Pro features for all of their members Site Mode • Information necessary to quickly set up your GOTO tracking mount • Available even if you don’t have a network connection Astrospheric Professional is now available to enable Weather Alerts, Ensemble cloud forecast, and more! • Astrospheric Professional is billed monthly or yearly and will auto-renew unless turned off at least 24-hours before the end of the current subscription period. The renewal cost will be the same as the initial sign-up cost of the subscription. Any changes in cost will be communicated before renewal takes place. • Payment will be charged to iTunes Account at confirmation of purchase • Subscriptions may be managed by you and auto-renewal may be turned off by going to the your Account Settings after purchase. A link to these settings is made available within Astrospheric "My Profile" for easy access. • The terms of use and privacy policy may be found at https://www.astrospheric.com/privacypolicy.php, purchasing a subscription shows agreement to these terms. PLEASE NOTE: Weather data is not available for Hawaii due to the domain area covered by the Canadian Meteorological Center. However, satellite and light pollution map layers, as well as other features will work in Hawaii. More information on Astrospherics forecast domain can be found here: https://www.astrospheric.com/dynamiccontent/datadomain.html

Screenshots

Mr. Chilly4 screens
Astrospheric4 screens

Verdict

The call

The clearest difference is ratings volume: Mr. Chilly at 6.8K against Astrospheric's 481. Mr. Chilly also leads on iOS requirement (13.0 vs 15.1). On price, rating, review sentiment and update cadence 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. Mr. Chilly sells 1 one-off in-app purchase and Astrospheric sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Mr. Chilly against 4.8 for Astrospheric. That said, the two scores are not equally well evidenced: Mr. Chilly has 6.8K ratings behind it against 481, so its average is the more settled of the two. Written reviews split almost evenly too, at 86% and 87% positive.

UpkeepUpdate frequency

Mr. Chilly ships an update every 5 weeks, Astrospheric every 3 weeks. The most recent releases landed on October 17, 2026 and October 19, 2026 respectively.

Scorecard2 real differences · 9 level
Mr. Chilly versus Astrospheric: the parameters behind the verdict, then further details
ParameterMr. ChillyAstrospheric
PriceFreeFree
Rating4.9 (6.8K ratings) — better4.8 (481 ratings)
Positive reviews86.5% of reviews87.1% of reviews — better
Number of ratings6.8K — better481
Update frequencyEvery 5 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
Best chart rank#203#71 — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better15.1
Further details — not scored
Size12 MB39 MB
Age rating4+4+
DeveloperAlexander ChiaDaniel Fiordalis

Customer experience

Mr. Chilly

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

Astrospheric

All ratings481 ratings
Positive94.4%
Neutral1.9%
Negative3.7%
Written reviews147 reviews
Positive87.1%
Neutral5.4%
Negative7.5%

Bugs and requests

Mr. Chilly

Not enough reviews yet to summarise bugs or requests.

Astrospheric

Reported bugs

2 issues
  • App crashing or not loading on some devices
  • Inconsistent temperature and wind data

Requested features

4 requests
  • Notification system for clear skies
  • Widgets for quick access to data
  • More detailed transparency and seeing data
  • Ability to flip east and west in the app

In-app purchases

1 purchases

Mr. Chilly

One-time1
  • No Ads$1.99
2 purchases

Astrospheric

Subscriptions2
  • Astrospheric Pro Subscription7 Days trial$2.991 Month
  • Astrospheric Pro Subscription7 Days trial$29.991 Year

Questions

Is Mr. Chilly free?
Mr. Chilly is free to download, with in-app purchases available.
Is Astrospheric free?
Astrospheric is free to download, with in-app purchases available.
Which has better reviews, Mr. Chilly or Astrospheric?
Mr. Chilly is rated higher. Mr. Chilly averages 4.9 out of 5 from 6.8K ratings, while Astrospheric averages 4.8 from 481 ratings.
Do Mr. Chilly or Astrospheric have ads?
Neither Mr. Chilly nor Astrospheric shows ads.
Which is updated more often, Mr. Chilly or Astrospheric?
Mr. Chilly ships an update every 5 weeks, and Astrospheric every 3 weeks. Most recently, Mr. Chilly was updated on October 17, 2026 and Astrospheric on October 19, 2026.
Which is more popular, Mr. Chilly or Astrospheric?
Mr. Chilly currently peaks at #203 in the App Store charts, and Astrospheric at #71. Chart position reflects recent download velocity rather than total install base.

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