ArcSphere
The first mobile browser with a proactive AI navigator
ArcSphere is the first AI Navigator for mobile—your crew of AI agents that act, not just answer. End tab chaos with spatial navigation, go passwordless with decentralized identity, and get instant help from AI that works while you browse.
Features
- Spatial tab navigation: See and organize all tabs on a visual canvas; find any site in 3 seconds
- Action Ring: Tap to spin up AI actions like summarize, reply, or organize without leaving your screen
- ArcPrompt: Create custom AI agents for whatever you need: grammar, translation, research. It's your crew, reusable anywhere
- Passwordless login: Built-in decentralized identity means identity you own with one-tap secure access with Face ID or fingerprint
- Mobile-first interface: Touch-optimized gestures built for your thumb, not adapted from desktop
Use Cases
- Deep research: Have your AI crew pull insights from dozens of sources simultaneously and synthesize findings
- Travel planning: Create personalized itineraries based on your location, interests, and real-time recommendations
- Recipe discovery: Find recipes, compare options, and get AI to adjust portions or suggest substitutions instantly
- Content creation: Write, edit, and publish blog posts or social content directly with your AI agents
- Learning anything: Summarize articles, explain complex topics, and build knowledge across multiple tabs at once
- Daily productivity: Draft emails, generate replies, and handle repetitive tasks with one tap from Action Ring
Comments
We've been building decentralized identity tools at ArcBlock since 2017, and one question kept nagging us: why does mobile browsing still feel stuck in 2010? Everyone was racing to bolt AI chatbots onto existing browsers. We took a different approach, what if AI wasn't an assistant you query, but a crew that works alongside you? What if your phone actually respected your data instead of harvesting it? ArcSphere started as an experiment: build a mobile-first AI Navigator from scratch, mobile first that includes touch-enabled, customizable AI agents that you can control. We're a small team shipping fast and learning in public. The spatial tab navigation came from our own frustration managing 50+ tabs during research. Action Ring was born from wanting AI help without typing. ArcPrompt exists because everyone's workflow is different. We'd love your honest feedback. What's working, what's confusing, what's missing. This is still early, and the best features are yet to come. Try it, break it, tell us what you think. 🙏
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Comments
We've been building decentralized identity tools at ArcBlock since 2017, and one question kept nagging us: why does mobile browsing still feel stuck in 2010? Everyone was racing to bolt AI chatbots onto existing browsers. We took a different approach, what if AI wasn't an assistant you query, but a crew that works alongside you? What if your phone actually respected your data instead of harvesting it? ArcSphere started as an experiment: build a mobile-first AI Navigator from scratch, mobile first that includes touch-enabled, customizable AI agents that you can control. We're a small team shipping fast and learning in public. The spatial tab navigation came from our own frustration managing 50+ tabs during research. Action Ring was born from wanting AI help without typing. ArcPrompt exists because everyone's workflow is different. We'd love your honest feedback. What's working, what's confusing, what's missing. This is still early, and the best features are yet to come. Try it, break it, tell us what you think. 🙏
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