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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 | HeyGen S | Devin A | Hume AI A | |
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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. | AI avatar videos. Record once, speak any language. | Cognition Labs' autonomous coding engineer. | Voice AI that reads + expresses emotion. |
| Category | Agents | Video | Agents | Voice |
| Pricing | Waitlist / Beta (pricing not yet disclosed) | Free + $24-$65/mo | $500/mo | Free tier + pay-as-you-go |
| Best for | iPhone power users who are frustrated that Siri is still reactive and want their home screen to actually anticipate their day. | Course creators, multilingual marketers, anyone scaling video content. | Engineering teams offloading tickets. Ops/platform work. | Therapy apps, customer service, any voice agent where emotion matters. |
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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.) | S-tier for multilingual video. If you sell courses or speak at events, this is a cheat code. | A-tier for the right use case. Not for solo devs. If you manage engineers, try one license. | A-tier in its niche. The only one that actually gets emotion right. |
| Link | Open → | Open → | Open → | Open → |