Detailed Comparison

OutboundCalls.ai vs Synthflow.ai

All-inclusive pricing vs pay-per-minute plus hidden LLM costs

Synthflow.ai charges $0.09/min plus separate LLM costs that can double your bill. OutboundCalls.ai includes everything — AI, telephony, transcription, and analytics — in one predictable price with a dedicated outbound campaign dashboard.

Feature-by-Feature Comparison

An honest, side-by-side look at outbound AI calling capabilities

Feature
OutboundCalls.ai
Synthflow.ai
Outbound AI Voice Calls
All-Inclusive Pricing (No Hidden LLM Costs)
Predictable Monthly Billing
Batch Calling / Campaign Mode
Basic
Campaign Management Dashboard
Campaign Scheduling & Retry Logic
No-Code Setup
Voice Agent Marketplace
Custom Voice Cloning
Real-Time Campaign Analytics
Basic
TCPA Compliance Built-In
Partial
GDPR Compliance
HIPAA Compliance
DNC List Management
EU Data Centers
Multi-Language Support (45+)
Call Recording & Transcription
Included
Extra cost
CRM Integrations
Webhook & API Access
Free Trial
7 days
Limited

Why Choose OutboundCalls.ai Over Synthflow.ai

Key advantages for outbound calling teams

No Hidden LLM Costs

Synthflow charges per minute PLUS separate OpenAI/Anthropic API costs. OutboundCalls.ai includes all AI costs in one price — no surprises on your bill.

Predictable Billing

Know exactly what you’ll pay each month. No variable LLM costs, no per-transcription fees, no surprise overages.

Dedicated Campaign Dashboard

Manage outbound campaigns with scheduling, batch dialing, retry logic, and real-time analytics — all in one purpose-built interface.

Simpler Setup, Faster Launch

Skip the marketplace complexity. Configure your outbound agent, upload contacts, and launch a campaign in minutes.

Full Compliance Suite

TCPA, GDPR, HIPAA, and DNC management included. Synthflow lacks HIPAA and DNC list management.

Outbound-Specialized Features

Smart retry logic, timezone-aware scheduling, and campaign-level reporting built for teams running outbound at scale.

Pricing Comparison

Transparent pricing you can count on

Recommended

OutboundCalls.ai

From €29/mo

All-inclusive: AI, telephony, transcription, analytics. One predictable price.

  • All AI & telephony costs included
  • Campaign management dashboard
  • Full compliance suite
  • 7-day free trial
Start Free Trial

Synthflow.ai

$0.09/min + LLM costs

Per-minute pricing plus separate LLM API costs (OpenAI, Anthropic). Transcription may cost extra.

  • May have hidden or additional costs
  • Compliance may require higher tier
  • Outbound features may be limited
Easy Migration

Switching from Synthflow.ai? It Takes 5 Minutes

Moving your outbound campaigns to OutboundCalls.ai is straightforward. No downtime, no data loss, no hassle.

1
Sign up for OutboundCalls.ai (7-day free trial, no credit card)
2
Export your agent configurations and contact lists from Synthflow
3
Recreate your voice agent using our no-code builder (or use a template)
4
Upload your contacts via CSV and configure campaign settings
5
Run a test campaign and compare call quality and costs

Ready to Try a Better Outbound AI Platform?

Start your 7-day free trial and see why teams are switching from Synthflow.ai to OutboundCalls.ai. No credit card required. Launch your first campaign in minutes.