ProudSend vs KX21

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

ProudSend compared with KX21
Detail	ProudSend	KX21
What it does	Find your buyers on X and write the first DM	The Platform People
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	US
Pricing model	Not given	Not given
Pricing	Free: 10 messages and 300 profile reviews. Founder plan: $29/month for first 3 months (with code PROUDSEND_ON_X), then $49/month. Includes 1,000 message generations and 100 "Dig deeper" research runs per month.	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	Ranks X or LinkedIn followers by likelihood to buy Extracts hooks from prospect posts and profiles Drafts personalized first messages Daily follow-back checking for X audiences Daily follow suggestions from audiences Multiple product brief management Try on yourself feature	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	Never sends or automates anything No login or account access required Sources all hooks from actual posts with quotes Personalized over volume approach First 10 messages free, no card required	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)	7 +1 (up) since last check	5 +1 (up) since last check
Trust Flow (Majestic)	9	6
Citation Flow (Majestic)	22	26
Referring domains (Majestic)	73	15

4 details filled in for both companies.

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