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Sigil vs OpenHouse.ai

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

Sigil compared with OpenHouse.ai
DetailSigil logo SigilOpenHouse.ai logo OpenHouse.ai
What it doesCentrally managed Outlook signatures for Microsoft 365, personalized from Entra ID and deployed in seconds The decision system for homebuilders
StageNot given Established
FoundedNot given 2018
Based inGB CA
Pricing modelFree trial Contact for pricing
Pricing£0.70 per licensed mailbox per month, excluding VAT, billed monthly, cancel anytime. Shared, resource and group mailboxes are free. Optional add-on: Branded link domain at £10 per organisation per month, excluding VAT. Not given
Key features
  • Drag-and-drop template designer for marketers and HTML editor for power users
  • Assignment rules by department, office, domain and Entra group
  • Time-boxed campaign banners with click tracking
  • Mandatory compliance footers per email domain
  • Staged rollout with automatic rollback based on apply telemetry
  • Weekly health digest with adoption, coverage and failure metrics
  • Per-mailbox activity logs and never-applied lists
  • Supports Outlook on Windows, Mac, web, iOS and Android
  • Read-only Microsoft Graph access with no mail send permissions
  • Community-level demand shift detection
  • Pricing pressure early warning system
  • Sales velocity monitoring
  • Buyer behavior diagnostics
  • 90-day performance forecasting
  • Market context and competitive benchmarking
  • Driver diagnosis and root cause analysis
  • Prescriptive action recommendations
What makes it different
  • Client-side Outlook add-in approach that never touches mail flow or requires server-side routing configuration
  • Template changes published to users in seconds with no redeploy required
  • Proves adoption with per-mailbox activity logging and coverage audits
  • Microsoft-native using Entra ID sign-in and Microsoft Graph integration with no third-party sync
  • Prescriptive intelligence instead of descriptive dashboards
  • Community-level insights for targeted action
  • AI trained on individual builder's business
  • Support from team with deep builder operations expertise
Community votes00
DR (Domain Rating by Ahrefs)4 +1 (up) since last check35 no change since last check
Trust Flow (Majestic)610
Citation Flow (Majestic)2218
Referring domains (Majestic)6149

5 details filled in for both companies.

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