kitio.aiMarvin vs Stetos
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Marvin starts at See pricing page and Stetos starts at $39.99/mo. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Research knowledge hub
- AI-moderated interviews
- Ask AI with citations
- Live in-product intercepts
- PII redaction
- 30+ integrations
- AI voice interviews
- Chat interviews
- Sentiment and topic analysis
- Embeddable widget
- Completion rewards
- Data export
| Feature | Marvin | Stetos |
|---|---|---|
| Best for | Customer research repository with AI interviews and cited answers | AI voice and chat interviewers for product and user research |
| Category | Research & search | Research & search |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | $39.99/mo |
| Free plan | Yes | Yes |
| Made by | HeyMarvin | Stetos |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Marvin starts at See pricing page and Stetos starts at $39.99/mo. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Free
Free
- Core features
- No credit card required
Starter
Contact sales
- More seats and integrations
- AI capabilities
Pro
Contact sales
- Admin controls
- Salesforce add-on available
Enterprise
Contact sales
- Advanced agentic Ask AI
- Automatic PII redaction
- Salesforce CRM integration
- Dedicated success manager
4 plans
Free
Free
- 2 active agents
- 10 sessions a month
- 10 voice minutes
Lite
$39.99/mo
- 50 sessions a month
- 160 voice minutes
- 100 insights chat credits
Basic
$119.99/mo
- 200 sessions a month
- 600 voice minutes
- Custom branding
- CSV exports
Pro
$199.99/mo
- 10 active agents
- 500 sessions a month
- 1,500 voice minutes
- 36 templates
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Marvin
- Free plan without a credit card
- Answers cite the original research
- Can run new interviews, not just store them
- Paid plan prices aren't published
- Interview tools are a paid add-on
- Salesforce sync costs extra on Pro
Stetos
- Agents ask natural follow-up questions
- Findings link back to sources
- Free plan to test with
- Free plan allows only 10 sessions
- Voice minutes are tightly capped
- CSV export starts at the Basic plan
Which one should you choose?
Choose Marvin if you want:
- Free plan without a credit card
- Answers cite the original research
- Can run new interviews, not just store them
Watch out: paid plan prices aren't published.
Choose Stetos if you want:
- Agents ask natural follow-up questions
- Findings link back to sources
- Free plan to test with
Watch out: free plan allows only 10 sessions.
Marvin vs Stetos FAQ
What is the difference between Marvin and Stetos?
Marvin: Customer research repository with AI interviews and cited answers. Stetos: AI voice and chat interviewers for product and user research. Both are research & search tools.
Is Marvin or Stetos cheaper?
Marvin starts at See pricing page and Stetos starts at $39.99/mo. Check both pricing pages for current plans.
Do Marvin and Stetos have free plans?
Marvin: Yes. Stetos: Yes.
Who makes Marvin?
Marvin is made by HeyMarvin.
Who makes Stetos?
Stetos is made by Stetos.
Which should I choose, Marvin or Stetos?
Choose Marvin if you value free plan without a credit card and answers cite the original research. Choose Stetos if you value agents ask natural follow-up questions and findings link back to sources.