BizChecker AI vs Sigil

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

BizChecker AI compared with Sigil
Detail	BizChecker AI	Sigil
What it does	AI business idea validator with GO/NO-GO verdict and financial model	Centrally managed Outlook signatures for Microsoft 365, personalized from Entra ID and deployed in seconds
Stage	Startup	Not given
Founded	2026	Not given
Based in	Not given	GB
Pricing model	Paid	Free trial
Pricing	Starter: $39 per report (one deep analysis). Pack: $99 for 3 reports ($33 per report). Power: $299 for 10 reports ($29.90 per report). Agency: $149/month for 15 reports per month. Private option available for +$10 per report. No subscription required for one-time purchases.	£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	5 expert AI roles in independent contexts Real competitor map with 5 to 15 companies via Perplexity 12-month financial model with revenue and cost projections Adversarial Critic perspective debate Unit economics analysis with CAC, LTV, payback period Chat with report for 3 to 90 days depending on plan Free 30-second scan before purchasing full report	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	5 independent expert AI perspectives instead of single-model groupthink like ChatGPT Adversarial Critic that actively attacks ideas using Claude Opus Real-time competitor data via live web research, not hallucinated Delivers structured GO/NO-GO verdict in 5-15 minutes, not 1-2 weeks	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)	8 +1 (up) since last check	4 +1 (up) since last check
Trust Flow (Majestic)	9	6
Citation Flow (Majestic)	21	22
Referring domains (Majestic)	30	6

5 details filled in for both companies.

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