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Calendar • Auto-negotiated time
Spend 6 minutes per day on emailSeedWire Article
Your email and calendar now run without you
Connect our agent once and it handles every email and calendar thread, pinging you only for approvals while remembering booking and order numbers to wrap up calls.
Employees at these companies are already saving hours a day
Automate Everything. Reclaim your time.
Our agents make calls for you, cancel subscriptions, handle emails, schedule meetings.
Smart Agents
Our agents handle all scheduling, emailing, calling so you can sit back and focus on what matters.
Calendar Autopilot
Lett negotiates meeting times, finds availability, merges duplicates and resolves conflicts automatically.
On The Go
Manage your entire digital life from a single, beautiful interface on any device.
Phone Calls
Want a reservation? Need to cancel a flight? Our voice agent handles it all for you.
Privacy Focused
Your data is encrypted and never used to train any AI models. Security is our priority.
The Inner Circle
See what our beta users are saying about Lett.
A
Alex R.
@alexr_tech
@lettmail changed my life. I used to spend 2 hours on email, now it's 10 minutes.
S
Sarah J.
@sjeffer
The calendar autopilot feature is magic. @lettmail just gets it.
M
Michael Chen
@mchen_vc
As a VC, my inbox is a nightmare. @lettmail tamed it in one day.
A
Alex R.
@alexr_tech
@lettmail changed my life. I used to spend 2 hours on email, now it's 10 minutes.
S
Sarah J.
@sjeffer
The calendar autopilot feature is magic. @lettmail just gets it.
M
Michael Chen
@mchen_vc
As a VC, my inbox is a nightmare. @lettmail tamed it in one day.
E
Emily Davis
@edavis_design
Finally an email app that feels modern and smart. @lettmail is beautiful.
D
David Kim
@dkim_dev
The smart agents are scary good. @lettmail drafts better emails than I do.
E
Emily Davis
@edavis_design
Finally an email app that feels modern and smart. @lettmail is beautiful.
D
David Kim
@dkim_dev
The smart agents are scary good. @lettmail drafts better emails than I do.
Built for teams who move fast
Lett handles every thread so you stay focused on the real work.
The Agent Advantage
Lett's agents work 24/7 to ensure nothing slips through the cracks.
AUTOMATED CALLS
21,000
AUTO HANDLED EMAILS
10 mins ago
Approve $500 travel expense?
Finance • Policy check passed
1 hour ago
Send proposal to Client X?
Email • Draft ready
Only When It Matters
Lett resolves 98% of tasks automatically.
You're only notified for high-stakes decisions.
Your Second Brain
Lett remembers everything: every meeting, email, and document.
Looping you in—can we co-draft the investor update and tidy the rest of this thread?
Sofia G.
On it—I'll take first pass and archive the low-priority threads.
Draft has my edits. Want to add yours before we send?
Erik D.
Collaborative Inbox
Share one living thread with your teammates, co-draft replies in-line, and keep every send perfectly in sync.
Smart Scheduling
Inbox Zero
Voice Agent
Daily Briefings
Smart Scheduling
Inbox Zero
Voice Agent
Daily Briefings
Smart Scheduling
Inbox Zero
Voice Agent
Daily Briefings
Calendar Sync
E2E Encryption
Cross-Platform
Smart Priority
Calendar Sync
E2E Encryption
Cross-Platform
Smart Priority
Calendar Sync
E2E Encryption
Cross-Platform
Smart Priority
Packed with Features
From smart scheduling to voice agents, Lett has everything you need to reclaim your time.
Why you'll love it
Context Aware
Understands the history and nuance of every conversation thread.
Secure by Design
Enterprise-grade encryption and privacy controls built-in.
Calendar Sync
Seamless integration with Google Calendar, Outlook, and more.
Smart Priority
Automatically surfaces what's important and filters the noise.
Instant Scheduling
No more back-and-forth emailing to schedule meetings.
Momentum Mode
Your agents fast-track follow-ups, nudging every thread forward automatically.
How the Top 1% Operate
See how Lett transforms your daily workflow with intelligent automation.
Inbox Zero
Clear your inbox in minutes
Watch as Lett categorizes, archives, and drafts responses for your entire inbox.
Scheduling
Never play email tag again
Lett handles all the back-and-forth of scheduling meetings for you.
Briefings
Start your day prepared
Get a daily morning briefing with your schedule and key emails to review.
Exclusive Beta Access
Switch on your AI assistant
Let our agents handle your email, calendar and phone calls.