Head-to-head · AI Mental Health Chatbots
Cass vs Dr. Riya by Mindtalk
Cass leads on 1 check, Dr. Riya by Mindtalk on 0, and 5 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.
Our verdict
- Highest scoreCass · 9.0/10
- Free planboth
- Most featuresCass · 5 of 5
Cass scores higher on our rubric for ai mental health chatbots: 9.0 against 6.9 out of 10; our editors rank them #1 and #9.
Cass offers behavioral coaching; Dr. Riya by Mindtalk doesn't publish it.
Cass is the better fit for organizations wanting a broad free chatbot. Dr. Riya by Mindtalk is the better fit for individuals wanting free AI plus human support.
- Cass fits best
Organizations wanting a broad free chatbot
- Dr. Riya by Mindtalk fits best
Individuals wanting free AI plus human support
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Side by side
| Feature | Cass 9.0/10 Visit ↗ | Dr. Riya by Mindtalk 6.9/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.0 | 6.9 |
| Ranking | #1 in AI Mental Health Chatbots | #9 in AI Mental Health Chatbots |
| Best for | Organizations wanting a broad free chatbot | Individuals wanting free AI plus human support |
| Pricing model | Free | Free |
| Starting price | Not published | Not published |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Cloud | Cloud, Mobile |
| Platforms | Web | Web, iOS, Android |
| Built for | Mid-market, Enterprise | Solo, Small business |
| Features Cass 5/5 · Dr. Riya by Mindtalk 4/5 | ||
| Guided exercises | ✓ | ✓ |
| Behavioral coaching | ✓ (best) | Not published |
| Human escalation | ✓ | ✓ |
| Crisis resources | ✓ | ✓ |
| Conversation memory | ✓ | ✓ |
| Specs | ||
| Access platforms | web | web, iOS, Android |
| Our review | ||
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| Our verdict | Cass is an AI mental health and wellness assistant for individuals, caregivers, health plans, healthcare providers, and employee programs. It provides text-based emotional support, personalized conversations, guided coping strategies,… Read the review → |
Dr. Riya by Mindtalk is a free AI mental health guide for individuals who want structured support between appointments or while deciding what kind of help to seek. It explains screening results in plain language, suggests guided journeys… Read the review → |
Strengths and trade-offs
Cass — where it wins
- Free access with assessments, exercises, check-ins, and coaching
- Crisis detection and escalation to human partners
- Supports Messenger, Instagram, WhatsApp, websites, and portals
Where it doesn't
- Access is limited to the web platform
- Organizational deployments are presented as demo-based offerings
- SMS and third-party channels may involve privacy or carrier considerations
Dr. Riya by Mindtalk — where it wins
- Explains screening results in plain language
- Connects users with Mindtalk human specialists
- Available on web, iOS, and Android
Where it doesn't
- Not a therapist, doctor, or diagnostic tool
- Not intended as emergency or crisis support
- Paid clinician sessions are separate
- Cass9.0/10 · Free plan
A broad free chatbot with assessments, exercises, triage, and messaging integrations.
Visit CassFull verdict → - Dr. Riya by Mindtalk6.9/10 · Free plan
Free AI guidance with human-specialist pathways and crisis resources.
Visit MindtalkFull verdict →
More comparisons
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- Cass vs Clare
- Cass vs CBT without a Therapist: Helpy
All AI mental health chatbots comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
Last updated · How we research and update