No. 40of 69 ·Sales Engagement Software

CallSine

Name: CallSine
Price: 349 USD

Web· paid plans from $349/mo

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Freedom report

One barScore 4.9

Free tierNo free tier
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

CallSine is ranked #40 of 69 in sales engagement software on Freedom251. It runs on Web. There is no free plan. Paid plans start at $349/mo.

CallSine plans and pricing

All plans

Pilot Agent $349/mo $349/mo 1 campaign agent · 1 email inbox · LinkedIn outreach · Up to 20 net new contacts per day · 14-day analytics history · Core AI content strategies callsine.com · 11 Oct 2026

Full Time $999/mo $999/mo 2 campaign agents, expandable · Up to 10 inboxes · LinkedIn outreach · Up to 200 net new contacts per day, no total cap · All-time analytics · Expanded content strategies + pre-launch testing · Team collaboration callsine.com · 11 Oct 2026

Custom Custom Custom number of campaign agents · Up to 100 inboxes · LinkedIn outreach · Unlimited net new contacts · All-time analytics · Full content strategies + pre-launch testing · Coordinated agent workflows · Team collaboration · Data integrations callsine.com · 11 Oct 2026

Compared on sales engagement software

Free plan: No
Sequence channels: email+call+social
CRM synchronization: Yes
Included mailboxes: 1 mailboxes

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The record

Product: CallSine describes itself as an agent-powered contextual outreach platform that researches prospects and deploys outreach automatically.
Audience: CallSine says its agents help sales teams send personalized messages at scale and keep opportunities from slipping through the cracks.
Research: Its AI agent researches leads using LinkedIn, websites, and technographic data to understand their context, role, and industry.
Personalized messaging: Generation uses sales materials such as case studies, pitch decks, and product pages to create prospect-specific outbound messages.
Grounding: CallSine says its Retrieval-Augmented Generation uses information users give it access to when creating messages.
Channels: The product pages describe outreach across email, LinkedIn, phone, and SMS.
Sequencing: Its sales engagement system creates dynamic cadences that adapt to lead behavior, timing rules, or response status.
Contact sourcing: CallSine says its agents filter prospects by firmographics, roles, and context and include verified phone and email data.
Email infrastructure: CallSine says it can manage inbox creation, routing, warmup, and monitoring for outbound email.
Integrations: The pricing page lists data integrations as a feature of the Custom plan; it does not name specific integration partners.
Trust: The company links to a Vanta Trust Center from its pricing page.
Support and sales: The pricing page directs prospective customers to book a demo for each listed plan.
Price from: $349/mo

Where it ranks on Freedom251

Best Sales Engagement Software in 2026#40 of 69

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Sources

callsine.com· checked 11 Oct 2026
callsine.com/about· checked 11 Oct 2026
callsine.com/product/ai-agent· checked 11 Oct 2026
callsine.com/product/generation· checked 11 Oct 2026
callsine.com/product/sales-engagement· checked 11 Oct 2026
callsine.com/product/contacts· checked 11 Oct 2026
callsine.com/product/infrastructure· checked 11 Oct 2026
callsine.com/pricing· checked 11 Oct 2026