The powerful, AI-driven contact management platform built for modern professionals. Offline-first, lightning-fast, and completely private.
Relationship trees and intelligent grouping
Intelligent insights and automation
Your data stays with you
Everything you need to manage relationships, automate workflows, and never miss important moments
Offline-first architecture means instant access to your contacts, even without internet. Zero lag, zero delays.
End-to-end encrypted. Your contact data is encrypted locally and never exposed to external servers.
Get intelligent suggestions for relationship management and contact organization using advanced AI.
Visualize and manage complex contact relationships. See how your network is connected at a glance.
Never miss a birthday, anniversary, or important date. AI-powered greeting suggestions included.
Create powerful automations to manage follow-ups, categorize contacts, and streamline your process.
From personal contacts to complex business relationships
Seamlessly sync across all your devices
iPhone
Android
Mac
Windows
Web
iPad
Linux
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Choose the plan that fits your needs. Scale up anytime.
Perfect for getting started
$9/month
Up to 10 contacts
For serious users
$29/month
Up to 100 contacts
For power users
$99/month
Up to 1000 contacts
All plans include a 14-day free trial. No credit card required.
Join thousands of professionals and individuals who trust ContactOS with their most important relationships.
No credit card required. Full features for 14 days.