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jo vs Instinct
Instinct is a personal AI agent from Spear Street Technology, founded by Noah Shinn, with deep access to your email, messages, calendar, and devices. It is in private access. jo is a personal AI agent for work and life with persistent context, proactive help, and approval before it acts.
Life in the city
Can I get Instinct today?
Not without an invite; Instinct is in private access. TechCrunch Forbes
jo is open now, free while in beta, with no waitlist.
How is my data handled?
Early Instinct testers raised concerns about its terms of service and data retention in August 2026. Review Instinct’s current terms directly. TechCrunch
jo runs each person on their own isolated cloud machine and storage, uses zero-retention model endpoints, and does not train on your mail, messages, or screen content. It is not entirely local: relevant context goes to jo’s cloud services and model providers when you ask for or enable a feature that needs it. You can delete your account data.
Who asks before acting?
One early Instinct user said it sent an email on their behalf without checking first. TechCrunch
jo asks for approval before it sends email or messages, books, buys, or changes your calendar. Summaries and briefings run on their own; everything else waits for you.
Where can you use it, and what does it cost?
Instinct: text message and WhatsApp; it can place calls on your behalf. Pricing is not published; it raised at a $2.5 billion valuation in August 2026. TechCrunch TechCrunch Forbes
jo: Apple Silicon Mac and web, plus iMessage, WhatsApp, Telegram, and mobile web. Free while in beta.
Which is right for you? Choose Instinct if you have an invite and want maximum autonomy. Choose jo if you want a personal agent you can use today that keeps your data isolated and asks before it acts.
Instinct details come from published reporting, not hands-on testing. Sources: TechCrunch, Instinct’s privacy and security concerns, Aug 24 2026; Forbes, Instinct’s valuation, Aug 26 2026; TechCrunch, Instinct and Muse add calls, Sep 17 2026.
See how jo helps with email, a daily briefing, and messages. All comparisons.