Instantly vs KX21

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

Instantly compared with KX21
Detail	Instantly	KX21
What it does	Sales Engagement and Lead Intelligence	The Platform People
Stage	Established	Not given
Founded	Not given	Not given
Based in	Not given	US
Pricing model	Not given	Not given
Pricing	Not given	Kapture: $0.001 per recording, $0.005 per completed form, $15/month for unlimited e-signatures, 2,000 free tokens to start. Komms: $0.08 per minute including phone call, $15/month per phone number, 625 free minutes to start. KontrolX: 50% off current bill, base rate from $2,500/month, no per-lead fe
Key features	AI Sales Agent for automated outreach AI Reply Agent for automated responses B2B Lead Database with 450M+ leads CRM for lead and pipeline management AI Workflows for campaign automation	Lead recording and session replay at $0.001 per recording E-signatures with $15/month unlimited access Form building and lead capture with Kapture SIP routing on customer-owned carrier 100+ MCP tools for Claude and AI clients
What makes it different	AI-powered lead generation and outreach personalization at scale Advanced deliverability infrastructure with SISR system Revenue tracking and optimization beyond vanity metrics	Transparent pricing with no vendor markup: phone, storage and data companies bill customers directly 50% savings on lead routing and call tracking compared to current vendors Customer data ownership with no export fees or seat charges Built for AI with 100+ MCP tools for Claude All features available in every plan with usage-based pricing only
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	80 no change since last check	5 +1 (up) since last check
Trust Flow (Majestic)	36	6
Citation Flow (Majestic)	64	26
Referring domains (Majestic)	13120	15

3 details filled in for both companies.

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