
Synthflow
No-code AI phone agents for appointment booking, lead qualification, and support.
Visit Synthflow From $29/mo (minutes included); free trial
Quick verdict
- Best for
- Clinics, salons, and services automating bookings
- Pricing
- From $29/mo (minutes included); free trial
- Not ideal if
- Less control over the model and voice stack than Vapi
What is Synthflow?
Synthflow lets non-technical teams build AI voice agents that answer and make phone calls, book appointments, qualify leads, and hand off to humans, with a visual builder, CRM integrations, and white-label options for agencies. Pricing bundles minutes into monthly plans.
Key features
- Visual agent builder with templates
- Inbound and outbound calling with number provisioning
- Calendar and CRM integrations
- White-label agency plans
- Multilingual voices
Pros
- No engineering needed to launch an agent
- Templates for common jobs like bookings
- Agency-friendly reselling
Cons
- Less control over the model and voice stack than Vapi
- Minute bundles can be limiting for high volume
- Complex flows outgrow the builder
Best for
Clinics, salons, and services automating bookingsAgencies selling voice agentsSmall businesses without developers
Read more
Related comparisons
Alternatives to Synthflow
Vapi
Developer platform for building voice AI agents that make and take phone calls.
PaidPay per minute (platform fee from $0.05/min plus provider costs); free trial credit
Released January 2024Retell AI
Build, test, and deploy phone voice agents with a visual flow builder.
PaidPay as you go from about $0.07/min; free trial minutes
Released December 2023Bland AI
Enterprise phone agents that sound human, with self-hosted infrastructure.
PaidFrom about $0.09/min; enterprise volume pricing
Released August 2023

