Atmos: Golden Hour Forecaster
Photography. No subscriptions.
About
This app predicts the quality of golden hour and blue hour for photographers. It provides a score based on atmospheric factors and offers real-time countdowns and push notifications for optimal shooting times. It also includes fog prediction and shareable cards for social media.
What's New in Atmos
1.13
June 15, 2026
- Fixed the 12/24-hour time format setting — changing it in Settings now updates times everywhere in the app, including shoot windows, the event list, sunrise/sunset details, and share cards. - 24-hour mode now shows a leading zero (e.g. 06:30, 18:30) for a cleaner, standard look. - The home screen widget now updates right away when you switch time formats.
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FAQ
What is Atmos?
Atmos is a photography app that predicts the quality of golden hour and blue hour. It provides a score from 0-100 based on atmospheric factors and offers plain-language verdicts like 'Exceptional', 'Good', 'Fair', or 'Skip It'.
How much does Atmos cost?
Atmos is a one-time purchase of $4.99. There are no subscriptions, ads, or upsells, and all future updates are included in the price.
Does Atmos have ads?
No, Atmos is completely ad-free. The app explicitly states 'No ads' and is a one-time purchase with all features included.
What devices does Atmos support?
Atmos currently supports iPhones and requires iOS 17 or later. It is not available on iPads or other devices at this time.
How often is the Atmos forecast updated?
The real-time countdown updates every 30 seconds, and home screen widgets update every 15 minutes. The forecast itself changes often, and users are advised to check the forecast on the same day for the best accuracy.
Can I get alerts for good shooting conditions with Atmos?
Yes, Atmos offers push notifications that can be set before each shoot window. You can customize the early alert time, days of the week, and a minimum quality threshold.
What makes Atmos's forecasts accurate?
Atmos uses 7 atmospheric factors including cloud type and coverage, pressure trend, color vividness, visibility, and precipitation for its scoring. Solar times are computed locally using Jean Meeus astronomical algorithms, ensuring accuracy without API dependency.
Is Atmos suitable for young children?
Atmos has an age rating of 4+. The app's content is focused on weather forecasting for photography and does not contain any mature themes.