The sky, told well
weather, worth reading.
The only weather app that grades its own homework. Editorial forecasts from a quiet source.
This morning’s brief
“A high-pressure ridge slid in overnight. Thin cirrus by mid-afternoon, the kind that makes the light go gold instead of gray. No coat needed, but wear the one you like.”
— Vesper, San Francisco · Tuesday
Sunset Verify
we’ll tell you if we were right.
Predicted 73/100. You rated 8/10. 93% match. Every evening, Vesper publicly grades its own sunset forecast — the only weather app with the stomach to do that.
Native polish
live activities, widgets, watch.
Live Activities
Sunset countdown on your lock screen and Dynamic Island.
Widgets
At-a-glance forecasts on your home screen.
Watch
Complications and a dedicated watchOS app.
Journal
A personal record of every sunset you verify.
What is Vesper?
Vesper is an editorial weather app that replaces generic template forecasts with short, opinionated daily briefs written in an authorial voice. It is the first weather app to publicly verify its own sunset predictions through a feature called Sunset Verify. Available as a free download on iOS and Android.
Frequently Asked Questions
What makes Vesper different from other weather apps?
Vesper replaces template-driven forecasts with short editorial briefs written in an authorial voice, and publicly grades its own sunset predictions through Sunset Verify.
Is Vesper free?
Vesper is free to download with core weather features. Premium features and pricing will be announced at launch.
What is Sunset Verify?
Sunset Verify is Vesper's signature feature that predicts sunset quality each day using SunsetWx data and lets users verify the prediction with a photo, building a personal accuracy track record over time.
When will Vesper be available?
Vesper is currently in beta. Join the waitlist at getvesper.io/beta to get early access and be notified when the app launches on iOS and Android.
Get Vesper
the first sky, on us.
Join the waitlist and we’ll send your first Vesper Brief the morning the app goes live.