The Sun Day app, out in beta, prompts you on how to prep for being out and about for your specific skin type and location.

After launching Bitchat, the WhatsApp rival, Jack Dorsey has unveiled Sun Day, a new app that tracks sun exposure and vitamin ...

Jack Dorsey is shipping. On Sunday, the Twitter co-founder shared a link on X (formerly Twitter) to a new app called Sun Day, ...

Another day, another app from Jack Dorsey. The Twitter co-founder has announced an app called Sun Day just one week after ...

Jack Dorsey has been back in the news lately after unveiling a pair of new apps he worked on, Bluetooth-based messenager ...

Tech entrepreneur Jack Dorsey has released a pair of apps recently, continuing his focus on decentralized communication. Tech ...

Jack Dorsey launches Sun Day to track UV exposure and Vitamin D intake, following his Bluetooth-based messaging experiment ...

Twitter co-founder Jack Dorsey has released a new app that tracks your sun exposure and vitamin D levels. It’s his second app ...

After launching Bitchat, Jack Dorsey has introduced another experimental app called Sun Day, designed to track users’ sun ...

Jack Dorsey has launched Sun Day, an iOS app that tracks UV exposure and estimates vitamin D levels based on location, skin ...