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Sigil vs GetWhys

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 GetWhys
DetailSigil logo SigilGetWhys logo GetWhys
What it doesCentrally managed Outlook signatures for Microsoft 365, personalized from Entra ID and deployed in seconds AI trained on firsthand experiences
StageNot given Not given
FoundedNot given Not given
Based inGB US
Pricing modelFree trial Not given
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
  • Continuous content validation at AI speed
  • MCP integration with AI tools like Claude, ChatGPT, Copilot, Gemini
  • Real buyer interview database for validation
  • Citation-backed output with real buyer data
  • Slack integration for buyer intelligence questions
  • Impact measurement and reporting
  • Unlimited research without per-project fees
  • Works within existing tools without new interfaces
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
  • Enriches existing AI tools with real buyer interview data instead of requiring a new platform
  • Validates content continuously at AI speed rather than as a quarterly research exercise
  • Every answer is backed by real buyer data with citations, not AI guesses
  • Unlimited research without caps or per-project fees
Community votes00
DR (Domain Rating by Ahrefs)4 +1 (up) since last check42 +1 (up) since last check
Trust Flow (Majestic)69
Citation Flow (Majestic)2232
Referring domains (Majestic)6169

4 details filled in for both companies.

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