Faculty Atlas vs Sigil

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

Faculty Atlas compared with Sigil
Detail	Faculty Atlas	Sigil
What it does	Find the academics you need to reach	Centrally managed Outlook signatures for Microsoft 365, personalized from Entra ID and deployed in seconds
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	GB
Pricing model	Paid	Free trial
Pricing	Credits purchased at $1 = 10 credits. Starter plan: $10 for 100 base credits. Pro plan: $20 for 200 base credits plus 10% bonus credits. Enterprise plan: $50 for 500 base credits plus 20% bonus credits. Sign up for $10 in free credits with no credit card required. One credit per email address. Credi	£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.
Key features	Filter by state, R1/R2 classification, university and school Data from official university pages with last-checked dates Weekly incremental data checks Filter by academic title and department Faculty opt-out and permanent suppression Hard bounce credit review process Downloadable contact lists with confirmed purchases	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
What makes it different	Pay only for contacts with email addresses Purchased credits never expire Data sourced from official university pages with transparency Two flexible search paths: by state or by discipline	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
Community votes	0	0
DR (Domain Rating by Ahrefs)	10 −1 (down) since last check	4 +1 (up) since last check
Trust Flow (Majestic)	7	6
Citation Flow (Majestic)	20	22
Referring domains (Majestic)	20	6

5 details filled in for both companies.

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