echowin vs Retell AI

Pricing, voices, languages, integrations and channels, side by side. echowin is a tool for operators who build and configure their own phone and chat agents.

Compare platforms

vs
echowin

Last checked: Retell AI: . echowin: .

Pricing

What you pay, and what costs extra

Free Plan
Retell AI
Yes
echowin
Yes
Base Price
Retell AI
No base fee
echowin
No subscription. $10/mo per live phone number
Pricing Model
Retell AI
Usage-based, no platform fee
echowin
Pay-as-you-go, or monthly minute bundles
Per-Minute Rate
Retell AI
$0.07 - $0.14/min (total)
echowin
$0.20/min pay-as-you-go, $0.14 to $0.18/min on monthly bundles. Model, speech and telephony included
Transfer Pricing
Retell AI
Full rate continues during transfers
echowin
Transferred leg billed at half rate
Free Trial
Retell AI
$10 credits (~60 min)
echowin
$5 test balance after adding a card
Extra Costs
Retell AI
Premium voices, LLM costs add up
echowin
Premium voices +$0.08/min. Live phone numbers $10/mo each
White Label Pricing
Retell AI
Scale plan $3K+/month for branding
echowin
Grey label $149.99/mo, white label $499.99/mo

Voices and Languages

Voice library, languages and speech providers

Voices
Retell AI
Very good (ElevenLabs)
echowin
120+ library voices, plus voice cloning
Languages
Retell AI
70+ languages
echowin
Omega and Gamma engines: multilingual, detect the caller's language. Delta: 33 selectable languages. Theta: English only
Text-to-Speech
Retell AI
ElevenLabs, PlayHT, OpenAI
echowin
Azure, Deepgram, ElevenLabs, Fish Audio, Google, Inworld, MiniMax, OpenAI, Speechify, Unreal Speech

Platform

How you build, scale and integrate

How You Build
Retell AI
Low-code (hours)
echowin
No-code builder that drafts the agent from your website. Tools, workflows and webhooks when you need depth
No-Code Builder
Retell AI
Yes
echowin
Yes
API Access
Retell AI
Yes
echowin
Yes
Concurrent Calls
Retell AI
20 (base), scalable
echowin
No per-line fee or plan cap
White Label
Retell AI
Yes
echowin
Yes
Integrations
Retell AI
Cal.com, Make, n8n, Custom
echowin
Google, Outlook, Wix, Square and GoHighLevel calendars. Zapier, webhooks, REST API, MCP server. Shopify (beta)

Channels

Where the agent can talk to people

Inbound Calls
Retell AI
Yes
echowin
Yes
Outbound Calls
Retell AI
Yes
echowin
Yes
Web Chat
Retell AI
Yes
echowin
Yes

Summary

Quick comparison overview

Best For
Retell AI
Teams wanting balance of control and ease
echowin
Operators who want to configure their own agent: instructions, tools, workflows and integrations, without writing an API
Limitations
Retell AI
Costs can add up at scale, limited visual builder
echowin
No HIPAA BAA. Cold transfers only, no warm transfer. Outbound SMS only, no two-way texting. Telnyx numbers only, no SIP trunking

Who should pick Retell AI instead

  • Teams who want to choose the model and voice per agent and see each cost component on the bill.
  • Builders already running Cal.com, Make or n8n who want those integrations from the vendor.

What echowin does not do today: No HIPAA BAA. Cold transfers only, no warm transfer. Outbound SMS only, no two-way texting. Telnyx numbers only, no SIP trunking.

Moving from Retell AI to echowin

Transparent pricing – Free to start, no subscription, pay only for what you use
Cheaper white label – $499.99/month vs $3K+/month
50% off during transfers – vs full rate continues
Multilingual engines – The agent detects the caller's language
Zapier, webhooks, REST API and MCP – Wire the agent to your own stack

Built by an operator, not a services team

Sean Porcher runs 8 Jiffy Lube locations and configured the echowin agent that answers tire-quote calls across all of them.

"We're seeing higher conversion rates on tire quotes compared to our website leads."
Sean Porcher
Sean Porcher, operator, 8 Jiffy Lube locations

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