Side by side
LobbyStack vs Simple Phones
Compare what each tool does, what it costs, and how it fits your workflow.
Designed for
Open-source AI receptionist for ready-to-book callers.
Never miss a customer call with your AI phone agent.
Primary task
AI receptionist
Customer calls
Pricing
Freemium · Free + from $15/mo
Free Trial · Trial; then from $49/mo
Pricing details
Free + from $15/mo
Free + from $49/mo
Billing cycle
Monthly
Monthly
API access
Not documented
Not documented
Platforms
Web
Web
Integrations
Not documented
Webhooks, Make
Source rating
No rating recorded
3.0 / 5 · 2 ratings
Catalog views
312
8.6k
Estimated monthly traffic
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Catalog imported
31 Aug 2026
30 Aug 2026
Listed strengths
- Open-source
- 24/7 operation
- Automates call answering
- Reduces missed calls
- Incoming call detail capture
- 24/7 support
- 99% uptime
- 99% accuracy
- 90% cost savings
- Automated answering
Listed limitations
- No CRM integration yet
- Limitations in complex call handling
- Dependent on business scheduling availability
- No automatic knowledge base updates yet
- Limited supported calendar tools
- Pay-per-minute pricing
- No flat rate option
- Limited countries supported
- Requires technical setup
- Dependency on website content