Zylch knows everyone you know

An AI that builds a living memory of every relationship, across every channel.

One person, every channel

👤
📧 Email 📅 Calendar 📞 Phone 💬 WhatsApp 💼 CRM 🔍 Web

Traditional tools show you conversations. Zylch shows you people.

For every contact, Zylch aggregates everything: emails exchanged, calls made, meetings held, messages sent, CRM notes, and more. When you ask "What's happening with Marco?", you get the complete picture—not scattered fragments across 5 apps.

Memory that evolves

DC
David Chen
Partner at Meridian Legal
Last contact 2 hours ago
Phone +39 02 555 1234
Topics Nextera deal, compliance

Zylch's memory works like yours. When David sends a new email, Zylch doesn't just file it—it updates everything it knows about him. New phone number? Updated. Changed company? Updated. Different communication style? Learned.

No stale data. No conflicting records. Just a living, breathing understanding of your relationships.

What you need to do

📧
Reply to Priya Sharma
Waiting 3 days for your response
High
📞
Call Sofia Garcia
You promised to follow up Tuesday
Medium
📝
Send meeting recap
Atlas Ventures call (yesterday)
High

Every morning, Zylch tells you exactly what needs your attention. Not 50 emails to scan—just the actions that matter.

One question answered: "What do I need to do today?"

Honest AI

Zylch doesn't pretend to be you. Every email, every call clearly identifies itself:

Your contacts know they're talking to your AI assistant. That's not a bug—it's a feature. Transparency builds trust.

Just talk

JW What's happening with Pinnacle?
Z Shows full relationship analysis, recent interactions, and pending items
JW Draft a follow-up for Priya
Z Generates contextual email based on your history
JW Call Sofia and ask about the proposal
Z Initiates call with full context of the proposal

No special commands. No learning curve. If you can write or speak, you can use Zylch.

Zylch already knows what you know—your emails, your calls, your calendar. So when you say "remind Sofia about the demo", Zylch knows exactly which Sofia, which demo, and how to reach her.

How it works

Your emails, archived forever. The first time you connect, Zylch syncs your email history. After that? Less than a second each day. We use Gmail's History API for lightning-fast incremental updates—no repeated downloads, no wasted bandwidth.

Initial sync: ~2 minutes
One-time import of your email history
🔄
Daily sync: <1 second
Only new messages, nothing repeated
🔍
Instant search
Full-text search across your entire history

Zylch learns who you are. As you chat, Zylch quietly learns about you in the background—your relationships, your preferences, your work context. No forms to fill. No setup wizards.

JW Send an email to my sister Francesca
Z Zylch now knows you have a sister named Francesca
JW Her email is francesca@email.com
Z Francesca's email is now remembered forever

Next time you mention Francesca, Zylch already knows who she is, how to reach her, and your relationship. No setup. Just conversation.

Share what you know

Your colleague just closed a deal with Marco Ferrari. You're about to call him. Wouldn't it be useful to know?

PS Share with James: Marco Ferrari just signed the contract
Z Shared with james@company.com

Later, when James looks up Marco:

JW What do we know about Marco Ferrari?
Z From your colleague Priya: "Marco Ferrari just signed the contract" (shared 2 hours ago)

Team intelligence, not silos. Share contact insights with colleagues—with their consent. Everyone stays in sync without CC-ing the world or updating a CRM nobody reads.

Channels

Email (Gmail, Outlook)
Calendar (Google, Outlook)
Phone (MrCall)
CRM (Pipedrive, HubSpot)
🔜 WhatsApp Business
🔜 Teams
🔜 Slack
🔜 LinkedIn

We're building the complete communication hub. Phone and email work today. WhatsApp, Teams, and more are coming—all feeding into the same unified intelligence.

Ready to remember everything?

Join the Waitlist

Early access for professionals who value their relationships.