The customer OS you actually own.
Customer Relationship OS (CROS) — Contacts, deals, notes, purchases, bookings, and email — on your own database, your own domain, your own data. Powered by Systems Mastery.
$5,000 setup and onboarding · $300/mo retainer · no per-seat fees
Your database. Your domain. Your data. Cancel any time and take everything with you.
You own your data.
Your Postgres. Your Cloudflare R2 bucket. Your custom domain. Cancel any time and export everything.
No per-seat, per-contact, or per-deal fees.
One flat setup, one flat monthly retainer. Unlimited contacts, deals, purchases, bookings, and team members.
Ships branded for you.
Your workspace name and logo everywhere. Your subdomain. Your colours (subject to design-system guardrails).
Every module a proper CRM has.
Contacts, opportunities kanban, purchases with attribution, bookings, email automations, funnels, digital products, analytics — one app.
Mobile-first + PWA.
Install to your home screen. Works on any browser. Same experience on desktop, tablet, and phone.
Built to be maintained.
Modern stack (Next.js + Postgres + Better Auth + Stripe + Resend). No vendor lock-in. Full source code delivered.
Includes unlimited contacts, deals, purchases, bookings, email templates, broadcasts, and team members. Cancel any time — everything you built stays yours.