Jack Dorsey Launches Sun Day: An AI-Powered App for Tracking Vitamin D Exposure
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Now Jack Dorsey has built an app to track your vitamin D
Dominic Preston is a news editor with over a decade's experience in journalism. He previously worked at Android Police and Tech Advisor. Twitter co-founder Jack Dorsey has released a new app that tracks your sun exposure and vitamin D levels. It's his second app in a week, after last weekend's
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Jack Dorsey Drops His Second New App in a Week
The Twitter founder says he used AI and â€~vibes’ to build both apps. Jack Dorsey is shipping. On Sunday, the Twitter co-founder shared a link on X (formerly Twitter) to a new app called Sun Day, which he claims helps users track their vitamin D intake. It's the second new app he's debuted in a
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Jack Dorsey's new app tracks how much grass you're touching
Sun Day is the second app that the Twitter co-founder has launched in the last week, and it was built using Block's artificial intelligence assistant, Goose. Block CEO and Twitter co-founder Jack Dorsey has launched a new app that gives users a rough idea of how much exposure they've had to the
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After Bitchat, Jack Dorsey unveils new app to track sun exposure and vitamin D levels, here's how it works
Developed using AI coding tool Goose, the app's code is available publicly on GitHub. Ask ChatGPT Twitter co-founder Jack Dorsey has introduced yet another application that can track sun exposure and estimate the vitamin D levels in the human body. Dubbed Sun Day, the app aims to better understand
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Twitter co-founder Jack Dorsey has released Sun Day, an iOS app that tracks sun exposure and estimates vitamin D levels. Built using AI coding tool Goose, it's his second app launch in a week, following the peer-to-peer messaging app Bitchat.
Jack Dorsey's New Venture: Sun Day App
Twitter co-founder Jack Dorsey has unveiled his latest creation, Sun Day, an iOS app designed to track users' sun exposure and estimate their vitamin D levels. This launch comes just a week after Dorsey introduced BitChat, a peer-to-peer messaging app, showcasing his recent focus on developing innovative applications
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Source: Gizmodo
How Sun Day Works
Sun Day utilizes location-based data to provide users with their local UV index and sunlight hours. Users input their skin type and clothing coverage, then manually toggle their sun exposure throughout the day. The app processes this information to estimate vitamin D generation and safe sun exposure duration
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Source: The Verge
Key features of Sun Day include:
- Calculation of safe sun exposure time before skin burning
- Tracking of outdoor time to estimate vitamin D absorption
- Consideration of factors such as UV index, cloud cover, and user-specific details
AI-Powered Development
Dorsey developed both Sun Day and BitChat using Goose, an AI coding assistant created by his payment company, Block. This approach, known as "vibe coding," allows developers to focus on the overall concept of an app rather than technical specifics
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.Future Improvements and Availability
The Sun Day team plans to enhance the app's calculations by incorporating additional factors such as:
- User height and weight
- Seasonal adjustments
- Actual vitamin D blood test results
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Currently, Sun Day is available for iOS via TestFlight, with its code accessible on GitHub for transparency and community input
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.BitChat: Dorsey's Other Recent Launch
BitChat, released a week prior to Sun Day, is a decentralized messaging app that operates over Bluetooth mesh networks without relying on the internet. It aims to provide resilient, private communication without requiring permanent user IDs
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Industry Context: AI in App Development
Dorsey's recent projects highlight the growing trend of AI-assisted development tools in the tech industry. Major players like Meta, OpenAI, and Google are actively investing in AI teams and tools for app development
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.Potential Concerns and Limitations
While innovative, these rapidly developed AI-assisted apps may raise concerns:
- Security: BitChat's GitHub page warns of potential vulnerabilities and lack of external security review
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. - Accuracy: Sun Day's vitamin D calculations are based on models derived from scientific research, but their precision remains unverified
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As the tech industry continues to explore AI-assisted development, users should remain cautious about potential risks associated with rapidly deployed applications
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