This task can be performed using Meishi
Privacy-first contacts app with P2P sync and data sovereignty
Best product for this task
Meishi
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Meishi solves the broken contact management problem through decentralized architecture and user-controlled data.

What to expect from an ideal product
- Meishi uses peer-to-peer sync to connect your devices directly without sending contacts through company servers
- Your contact data stays completely under your control and never leaves your personal network of devices
- The app creates secure connections between your phone, tablet, and computer so they can share contacts privately
- All syncing happens through encrypted direct device communication instead of cloud storage services
- You own and manage your contact database locally while still keeping everything updated across all your gadgets
