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LeadShark vs Coldstart

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

LeadShark compared with Coldstart
DetailLeadShark logo LeadSharkColdstart logo Coldstart
What it doesLinkedIn lead magnet automation that auto-replies to commenters and delivers resources in DMs Wake up to your next client, already found — with the first email already written
StageStartup Not given
Founded2024 Not given
Based inEE NL
Pricing modelFreemium Paid
PricingFree trial: 7 days, no card required. Paid plans: Pro $39/mo (monthly) or $390/yr, Pro+ $59/mo (monthly) or $590/yr, Apex $119/mo (monthly) or $1190/yr. Agency plan APEX+: $186/mo for 1 Apex + 2 Pro+ profiles, or $249/mo for all 3 on full Apex. €750 per month plus €350 one-time setup (both excluding VAT). Billed monthly in advance via Stripe. Cancel anytime with no minimum term or notice period.
Key features
  • Auto-reply to post commenters with preset templates
  • Deliver lead magnets via DM automatically
  • Email-gated landing pages (Pro+: 100, Apex: unlimited)
  • Multiple account management for agencies (APEX+)
  • Apex MCP integration with Claude, ChatGPT and Cursor
  • Lead scoring with ICP fit labels
  • Webhook integrations and REST API
  • CRM and newsletter sync (Kit, Beehiiv)
  • Schedule and auto-repost with automation pre-attached
  • Overnight market monitoring of public signals
  • AI-drafted opening emails in your voice
  • Manual approval required before sending
  • Decision-maker identification links
  • Lead filtering with ruthless rejection
  • Exportable leads and drafts you own
  • Customer zone briefing dashboard
  • No invented facts or guessed email addresses
  • GDPR compliant processing
What makes it different
  • Focuses on inbound engagement from organic post comments rather than outbound spam
  • Safety limits learned from 10M+ real LinkedIn actions
  • Uses preset templates, never AI-generated replies to avoid spam risk
  • AI agent integration through Apex MCP for hands-off automation
  • Can automate existing lead magnets with Partially Engage mode
  • Ruthless rejection of poor fits: one recent run rejected 74 out of 77 companies
  • Timing sends to moments when companies have real, fresh news
  • Uses only public data, no scraped or private information
  • Built and used by the founder on Coldstart's own outreach
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)53 +1 (up) since last check4 −1 (down) since last check
Trust Flow (Majestic)1810
Citation Flow (Majestic)356
Referring domains (Majestic)2372

6 details filled in for both companies.

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