kitio.aiHappyRobot vs Stammer.ai
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. HappyRobot starts at See pricing page and Stammer.ai starts at $49/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
- Conversational voice agents
- Reasoning agents and workflows
- Agent tests and audits
- Memory and system integrations
- Developer tools
- White-label dashboard
- Chat and voice agents
- Client billing
- Calendar booking
- CRM integrations
| Feature | HappyRobot | Stammer.ai |
|---|---|---|
| Best for | AI workers for calls, email and operations in logistics and beyond | White-label AI chat and voice agents for agencies |
| Category | Agents & automation | Agents & automation |
| Pricing model | Paid | Free trial |
| Starting price | See pricing page | $49/mo |
| Free plan | No | No, 7-day trial |
| Made by | HappyRobot | Stammer.ai |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
HappyRobot starts at See pricing page and Stammer.ai starts at $49/mo. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Standard
$49/mo
- 500 AI replies / month
- 120 voice minutes / month
- 1+ chat and 1+ voice agent
- 7-day free trial
Pro (White Label)
$99/mo
- 5 chat + 5 voice agents
- Fully white labeled
- Resell AI usage
- 14-day free trial
Enterprise
Custom
- 1,000+ chat, 250+ voice agents
- Custom integrations and SSO
- Optional self hosting
- Dedicated support
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
HappyRobot
- Built for real operations work
- Testing and audit tools for agents
- Covers voice and back-office tasks
- No public pricing
- Enterprise-focused, not self-serve
- Requires a demo to start
Stammer.ai
- Built for agency resale
- Chat and voice in one product
- Client management tools
- Less useful for single businesses
- Voice minutes add cost
Which one should you choose?
Choose HappyRobot if you want:
- Built for real operations work
- Testing and audit tools for agents
- Covers voice and back-office tasks
Watch out: no public pricing.
Choose Stammer.ai if you want:
- Built for agency resale
- Chat and voice in one product
- Client management tools
Watch out: less useful for single businesses.
HappyRobot vs Stammer.ai FAQ
What is the difference between HappyRobot and Stammer.ai?
HappyRobot: AI workers for calls, email and operations in logistics and beyond. Stammer.ai: White-label AI chat and voice agents for agencies. Both are agents & automation tools.
Is HappyRobot or Stammer.ai cheaper?
HappyRobot starts at See pricing page and Stammer.ai starts at $49/mo. Check both pricing pages for current plans.
Do HappyRobot and Stammer.ai have free plans?
HappyRobot: No. Stammer.ai: No, 7-day trial.
Who makes HappyRobot?
HappyRobot is made by HappyRobot, based in United States.
Who makes Stammer.ai?
Stammer.ai is made by Stammer.ai, based in United States.
Which should I choose, HappyRobot or Stammer.ai?
Choose HappyRobot if you value built for real operations work and testing and audit tools for agents. Choose Stammer.ai if you value built for agency resale and chat and voice in one product.