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SendHeron vs Inbox Archive

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

SendHeron compared with Inbox Archive
DetailSendHeron logo SendHeronInbox Archive logo Inbox Archive
What it doesLifecycle email automation that sets itself up. You approve every word. Real brand email examples as live HTML with platform, tracking and promo code data
StageNot given Startup
FoundedNot given 2026
Based inBG Not given
Pricing modelFreemium Free
PricingStarter €19/month (up to 10,000 contacts, 50,000 emails/month), Growth €49/month (up to 40,000 contacts, 150,000 emails/month), Scale €99/month (up to 100,000 contacts, 250,000 emails/month), Max €179/month (up to 200,000 contacts, 500,000 emails/month). Free trial: 1,000 contacts and 5,000 sends fo Free with no paid tier
Key features
  • AI-generated lifecycle sequences from website URL
  • Tags and segments with no separate list to sync
  • Block-based and HTML email templates
  • Unified suppression list for transactional and marketing email
  • REST API with 56 documented endpoints and scoped keys
  • Multiple workspaces and brands in one subscription
  • EU data residency with German storage
  • Agent automation with scoped tokens
  • Live HTML rendering of emails as received
  • ESP and tracking technology detection
  • Browse by campaign type, brand, industry and platform
  • Promo code history and tracking
  • Brand following and RSS feeds
  • DMARC, SPF and BIMI authentication data
  • Collections and likes for account holders
  • 8,517 campaigns from 231 brands continuously archived
  • No account required to browse all content
What makes it different
  • AI automatically drafts lifecycle sequences from your website URL with human approval required
  • EU company with data stored in Germany and published sub-processor list
  • Unsubscribed and bounced contacts stored free
  • Built by the team running PostFast's own lifecycle email in production
  • Automatically captured as emails arrive unedited
Community votes00
DR (Domain Rating by Ahrefs)20 −1 (down) since last check18 +1 (up) since last check
Trust Flow (Majestic)127
Citation Flow (Majestic)2625
Referring domains (Majestic)2022

5 details filled in for both companies.

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