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Therapist-led AI mental health on WhatsApp & iMessage
Visit Official WebsiteProduct Type
Software
Platform
Web
Languages
English
Regions
Global
Pricing
Freemium
Price
Used via WhatsApp / iMessage; individual & enterprise subscription (pricing on request)
Free Trial
✓ Trial Available
Daily AI chat and mood check-ins on WhatsApp / iMessage are free
Last updated 2026-10-03· Content established
Data may be delayed — always check the official website for the latest info.
Visit Official WebsiteAbout This Tool
Kai is a therapist-led, AI-supported mental health platform that runs directly inside WhatsApp and iMessage — no separate app to install. Its AI initiates daily check-ins, tracks mood, and escalates high-risk messages to a licensed therapist. End-to-end encryption keeps conversations private. Deployed by employers, clinics, universities, and municipalities, Kai cites 70–90% first-month adoption, ~18.6 messages per user per week, and a +35% WHO-5 well-being gain in its published study.
Background
Kai is built by Kai.ai (Tel Aviv / San Francisco) as a 'psychologist in your pocket,' combining everyday AI chat with licensed-therapist supervision through a therapist-in-the-loop model, targeting modern mental-health challenges like burnout, stress, and loneliness.
Technology
Conversations run over WhatsApp / iMessage's end-to-end encrypted channels; AI handles daily check-ins, mood recognition, and personalized responses, while suspected high-risk content is reviewed by a licensed therapist. The intervention framework draws on CBT and ACT and tracks progress with scales like WHO-5.
Market
For individuals, enterprise HR, universities, clinics, and municipalities; the team cites 70–90% first-month adoption, ~18.6 messages per user per week, and a retrospective study of 2,909 users (WHO-5 median score rising from 40 to 52, P<.001).
Best For
People wanting low-friction daily emotional support without traditional therapy stigmaEmployers and universities seeking always-on mental-health supportUsers already on WhatsApp / iMessage who won't install another appThose who value therapist oversight and end-to-end encryption
Editorial Note
Kai puts professional mental-health support inside the chat apps you already live in — zero install, end-to-end encryption, therapist backup — which lowers the bar dramatically for the convenience-averse or stigma-wary. But it's support, not a replacement for therapy, serious crisis still needs a human, and enterprise pricing is opaque.
Strengths
- + No app to install; works inside WhatsApp / iMessage
- + Therapist-in-the-loop backs up high-risk content
- + End-to-end encryption keeps privacy solid
- + Backed by a peer-reviewed study (WHO-5 +35%)
Drawbacks
- − Supportive adjunct, not a substitute for therapy or crisis care
- − Enterprise / individual pricing is opaque, quote on request
- − Impact hinges on users actually showing up daily
Value Assessment：Great for low-friction everyday emotional support without traditional-therapy stigma; for acute crises, go straight to professional help.
External Resources
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All information on this site is for reference only. Data may be delayed — always verify on the official website. Listings are in no particular order.