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Side-by-side: what they do, what they cost, what Kai actually thinks. Pass up to 4 tools via ?tools=claude,chatgpt,gemini.
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Skye A | Hex A | Manus S | NotebookLM S | |
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| Tagline | An agentic iPhone home screen that replaces your static icon grid with AI widgets that proactively surface health, calendar, finance, and local context — without you having to open a single app. | Modern data notebook with Magic AI assistant. | Autonomous AI agent that actually finishes tasks. | Google's research notebook. Turns your docs into a podcast. |
| Category | Agents | Data | Agents | Research |
| Pricing | Waitlist / Beta (pricing not yet disclosed) | Free + $28+/user/mo | Free tier + $39-$199/mo | Free |
| Best for | iPhone power users who are frustrated that Siri is still reactive and want their home screen to actually anticipate their day. | Data teams at startups + enterprises. | People who want to hand off tasks entirely — trip planning, research, spreadsheet building. | Students, researchers, anyone with a stack of PDFs or a topic to learn. |
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| Kai's verdict | The concept is genuinely compelling — turning the home screen into a living AI layer is a smarter bet than yet another chat interface — but this is vaporware until it ships publicly and we see whether Apple's sandbox lets it breathe. (Verdict pending Phi's full review.) | A-tier for data teams. S-tier if you already live in SQL + Python. | S-tier in the agent category. The first one I'd give to a non-technical friend. | S-tier for study. The Audio Overview is a killer feature. Try it with three of your favorite PDFs. |
| Link | Open → | Open → | Open → | Open → |