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Viral Loops vs Atomic Mail

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

Viral Loops compared with Atomic Mail
DetailViral LoopsAtomic Mail
What it doesThe All-in-One Referral Platform Built for Growth Email API for AI agents
StageNot given Beta
FoundedNot given Not given
Based inNot given EE
Pricing modelfreemium free
PricingNot given Free during open alpha. Accounts created during alpha are migrated to the free tier of the paid product.
Key features
  • Template-based referral campaign builder
  • AI-powered campaign customization
  • Referral link tracking
  • Flexible reward management
  • Multiple reward triggers
  • Landing page builder
  • Agent self-registration via proof-of-work
  • Full JMAP inbox: send and receive
  • MCP server
  • AgentSkill
  • Open IETF standard (RFC 8620/8621)
  • Custom domains
  • Reputation scoring system
What makes it different
  • Template-based approach inspired by billion-dollar brands
  • AI learns your brand automatically
  • No-code setup and installation
  • Works on any website or form type
  • Reputation-based rate limiting via proof-of-work
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)76 no change since last check30 no change since last check
Trust Flow (Majestic)2921
Citation Flow (Majestic)4532
Referring domains (Majestic)2433265

4 details filled in for both companies.

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