Quo
AI Lead Response
Business phone for calls and texts in a shared space, with an AI agent called Sona that answers calls and AI call summaries.
From $19 / user / monthFree trialGeneral purpose
Structurely (21X)
Conversational AI for voice, SMS and email follow-up. The site now brands itself 21X and serves sales teams broadly.
Quote or not publishedNone statedQuoteGeneral purpose
Watch for: AI voice calls and marketing texts carry federal consent rules. Read our calling and texting guide.
Pricing
Platform fees are not listed. Usage rates start at $0.07 per voice minute, $0.02 per SMS and $0.02 per AI email ("as low as").
Free option: A demo call is offered; no trial was stated.
Stated Features
- Inbound and outbound AI voice calls
- Two-way SMS
- Appointment scheduling and live transfers
- Automatic CRM updates
Integrations
Follow Up Boss, BoomTown, HubSpot, Salesforce, Bonzo
Good Fit For
- Teams
- Brokerages
Listed Under
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Alternatives to Structurely (21X)
Verse.ai
AI Lead Response
AI texting and appointment-setting agents for sales and marketing. Real estate is one of several industries served.
Quote or not publishedNone statedGeneral purpose
CINC
AI CRM
Lead generation and conversion CRM for teams and top agents, with an add-on, CINC AI, for text conversations with leads.
Quote or not publishedNone statedBuilt for real estate
HouseWhisper
AI Lead Response
AI for real estate teams across the lead lifecycle: re-evaluating leads, nurturing by text or voice, routing and handing off to agents.
Quote or not publishedNone statedBuilt for real estate
Common Questions
How Much Does Structurely (21X) Cost?
Quote or not published. Platform fees are not listed. Usage rates start at $0.07 per voice minute, $0.02 per SMS and $0.02 per AI email ("as low as").
Is Structurely (21X) Free?
None stated. A demo call is offered; no trial was stated.
What Are Alternatives to Structurely (21X)?
Other tools for the same job include Quo, Verse.ai, CINC, HouseWhisper.
Sources
Read on November 6, 2026. We have not hands-on tested this product, and vendor claims are the vendor's. Found something out of date? Send a correction.