Plain vs ClientProof

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

Plain compared with ClientProof
Detail	Plain	ClientProof
What it does	AI support infrastructure for B2B teams built composable and API-first	Client approval software where clients review and approve work in one click with no login required
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Paid	Freemium
Pricing	Foundation plan $45/user/month billed annually with 1,000 credits/month; Horizon plan $99/user/month billed annually with 2,500 credits/month; Frontier plan with custom pricing for larger organizations. 7-day free trial available with no credit card required.	Free plan with 1 active project forever. Pro plan at $19/month or $190/year for unlimited active projects, no per-client or per-seat fees.
Key features	Ari AI agent for customer interactions Sidekick internal AI assistant Unified inbox for Slack, Teams, Discord, and email Workflow automation and auto-routing Insights for trend detection and analytics API-first architecture and GraphQL Help Center and knowledge base Lookup codebase integration powered by Cursor	Client approval workflow with audit trail of all decisions Timestamped approval receipts with verification codes Client engagement tracking to monitor project opens, file views, and updates Project status updates and milestone tracking File sharing with version history and context One-click printable project reports Project templates for standardized workflows Mobile-friendly client view
What makes it different	Composable, API-first infrastructure allows building anything no-code or all-code Multiple AI agents orchestrated together with human control Designed and stress-tested by fast-growing teams Enterprise-level security built for everyone	No login friction - clients open and approve from one link without any signup or account creation Purpose-built for client delivery, not documentation like Notion or Google Drive Structured workflow keeps approvals, files, and updates together in one place
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	73 +1 (up) since last check	10 no change since last check
Trust Flow (Majestic)	29	3
Citation Flow (Majestic)	51	18
Referring domains (Majestic)	3033	25

5 details filled in for both companies.

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