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Skye, an iPhone app currently in private beta testing, aims to transform how users engage with artificial intelligence on their mobile devices. Even before its official release, the app has generated excitement online, drawn investor attention, and attracted "tens of thousands" of users, according to its developer—a signal that consumers may be ready for a more AI-integrated iPhone experience. Rather than launching a traditional app or requiring users to converse with an AI chatbot, the startup is building what it calls an "agentic homescreen" for the iPhone, using iOS widgets as the primary interface. Through these widgets, Skye would deliver a form of ambient intelligence to the device, offering personalized insights such as local weather updates, contextual awareness of the user's current situation, health-related data, and more, as described in a post by its creator, who goes by signüll on X. The app can also draft email replies, assist with meeting preparation, send reminders, and flag suspicious charges in bank accounts. Its creator further claims it provides location-specific recommendations and additional details about nearby businesses, neighborhoods, and attractions while users are on the go. Most of this data is pulled in through authorized connections granted by the user.

The app, developed by a small team at the startup Signull Labs, has already captured investor interest despite not having a public product yet. According to an SEC filing, the startup has raised over $3.58 million in pre-seed funding, with the round closing in September 2025. Pitchbook also lists New York-based Signull Labs' funding, alongside a post-money valuation of $19.5 million. If accurate, this valuation suggests strong consumer demand for a more AI-aware iPhone—and potentially hints that a new type of AI device, such as the rumored OpenAI smartphone, could find a foothold.

The founder mentioned previous work at Google and Meta, though he has no obvious LinkedIn presence. We also found that Offline Ventures lists Signull Labs in its online portfolio. Since announcing Skye, Savjani has appeared on the TBPN podcast as his avatar and has been posting on X about his personal use of the app.