Compare AI tools
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 | Lovable A | NotebookLM S | Claude 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. | Build a full app from a prompt. Stripe-ready. | Google's research notebook. Turns your docs into a podcast. | Anthropic's flagship — best reasoning + longest useful context. |
| Category | Agents | Design | Research | Chatbots |
| Pricing | Waitlist / Beta (pricing not yet disclosed) | Free + $25-$100/mo | Free | Free + $20/mo Pro + team/enterprise |
| Best for | iPhone power users who are frustrated that Siri is still reactive and want their home screen to actually anticipate their day. | Non-devs + solopreneurs shipping MVPs. | Students, researchers, anyone with a stack of PDFs or a topic to learn. | Long writing, code, careful thinking, documents over 50 pages. |
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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. The strongest 'no-code' AI builder right now. Great for founder MVPs. | S-tier for study. The Audio Overview is a killer feature. Try it with three of your favorite PDFs. | S-tier for reasoning and writing. If you only pay for one chatbot, pay for this one — especially for long work. |
| Link | Open → | Open → | Open → | Open → |