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Smartzip vs 21X / Structurely

Vendor-published details side by side. No ratings and no rankings.

Attribute	Smartzip	21X / Structurely
Category	Lead generation	Lead generation
Type	Platform	Platform
Best for	Agents who farm territories and want predicted seller leads.	Teams that want automated lead conversations at scale.
Pricing	See vendor for pricingQuote-based; current price not verified	Usage-based pricingPlatform fee plus usage; voice from $0.07/min and SMS from $0.02/message
What the vendor highlights	Predictive listing leads Targeted marketing for predicted sellers Farming tools	AI voice, SMS and email agents Usage-based pricing (for example per minute or per message) APIs and workflow routing
Worth checking	Prediction accuracy is a vendor claim Pricing is quoted and details were flagged for recheck	Usage-based billing can vary month to month Consent and calling rules apply to automated outreach
Source status	Needs recheck	Source checked 2026-10-14
Official site	Visit site	Visit site

Summarized from vendor-published information. We have not independently tested performance.