Fluxo Flow vs ThunderPhone

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Fluxo Flow compared with ThunderPhone
Detail	Fluxo Flow	ThunderPhone
What it does	Visual AI workflow automation platform where you build on a canvas, run AI on your own provider key, and keep human approval where it matters	AI phone agents with integrated audio understanding, model routing, and voice optimization
Stage	Not given	Not given
Founded	Not given	Not given
Based in	US	US
Pricing model	Freemium	Paid
Pricing	Free plan: build up to 3 draft workflows, Dry Run on sample data, no live runs. Basic $39/mo: 15 workflows, 3 seats, schedules every 15 minutes. Pro $119/mo: 25 workflows, 5 seats, schedules every 5 minutes. Business $237/mo: 60 workflows, 10 seats, schedules every 2 minutes. Elite $514/mo: 100 work	Cost-plus pricing: customers pay vendor list prices for models and voice plus hosting (15% of vendor costs, 0.5¢ to 2¢ per minute) plus company margin (17-25%). Lean calls cost from 2.0¢/min (1.18¢ vendors + 0.50¢ hosting + 0.35¢ margin). Receptionist calls cost 4.7¢/min (3.36¢ vendors + 0.50¢ hosti
Key features	Visual canvas workflow builder with drag-and-drop interface Dry Run testing with simulated AI and app calls, no cost or side effects Human Review step and Review Queue on every plan Support for 15 AI providers on your own key 72 app integrations including Slack, HubSpot, Salesforce, Notion, Airtable 16+ step types including AI agents, routers, loops, validators, error handlers, HTTP requests Schedule workflows from every minute to one-time triggers REST API and webhook support with step-by-step run tracing Pre-built AI agents marketplace with 219 agents across 30 industries Encrypted connection credentials and AI keys at rest	Multi-model architecture running multiple transcription and language models per call Zeus AI agent that builds, tests and tunes voice agents automatically Simulated call testing before live deployment Live call monitoring and observability A/B testing and automated fix suggestions Integration wizard for CRM, VoIP and business software Client portals for managing multiple agents Knowledge base integration for agent grounding Outbound campaigns with CSV upload and scheduling
What makes it different	Bring your own AI key from 15 providers and pay at cost with zero markup Human approval step built into every plan to keep people in control Dry Run testing for free with no AI cost or side effects before running live Flat pricing by workflows and seats, never per task or run 30-day money-back guarantee on first payment of any paid plan	Cost-plus pricing with no margin markup pass-through when vendor prices drop Fully agentic Zeus AI that handles entire lifecycle from creation to optimization Multi-model architecture for superior audio understanding vs 3-step pipelines Starts at 2¢/min, cheaper than competitors and call center labor
Community votes	0	0
DR (Domain Rating by Ahrefs)	25 no change since last check	43 +1 (up) since last check
Trust Flow (Majestic)	4	5
Citation Flow (Majestic)	10	35
Referring domains (Majestic)	1	161

6 details filled in for both companies.

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