Cold email, evolved

Nurture leads into loyal clients.

NurtureOS runs the whole outreach motion: adaptive sequences, mailbox warm-up, a unified inbox, and AI personalization, so every lead grows into a relationship, not another bounce.

3.4×
More replies
98%
Inbox placement
5 min
To first send
Reply rate
14.8% ↑
Inbox
98% placed
Sequence
Step 3 · sent ✓

Teams growing their pipeline with NurtureOS

NorthwindLumen LabsTildeVantageOrbitalFoundryMaple & CoBeaconNorthwindLumen LabsTildeVantageOrbitalFoundryMaple & CoBeacon
Everything in one place

The whole outreach motion, cultivated

Stop stitching together five tools. NurtureOS sends, protects deliverability, captures replies, and tells you what to do next.

Sequences that adapt

Multi-step email sequences with smart delays, branching, and auto-pause on replies or out-of-office.

Deliverability warm-up

Built-in mailbox warm-up, bounce handling, and suppression lists keep you out of spam and in the inbox.

Unified inbox

Every reply across every mailbox in one place, classified, threaded, and ready to action.

AI personalization

Generate whole sequences and per-contact openers that sound human, at scale.

Analytics that grow

Track sends, opens, replies, and deliverability health with dashboards that show what to do next.

Connect any mailbox

Gmail, Outlook, or any SMTP. Credentials are encrypted at rest, and sending limits are respected per mailbox.

Analytics that grow

Watch your pipeline come to life

Sends, opens, replies, and deliverability health, visualized in real time so you always know which leads are warming up and where to push next.

Emails sent
6,210
Open rate
61.4%
Reply rate
14.8%
Deliverability
98.2%
Pipeline growth
Sends vs. replies · 6 weeks
+312%
How it works

Live in minutes, growing for months

01

Connect & warm up

Link your mailboxes and let NurtureOS warm them so your sends land in the primary inbox.

02

Build the sequence

Compose or AI-generate a personalized sequence, import your contacts, and set your sending window.

03

Nurture & convert

Replies flow into the unified inbox while analytics show exactly which leads are warming up.

Pricing

Plans that grow with your pipeline

Simple monthly pricing. Pay in INR via Razorpay or USD via Stripe. Cancel anytime.

Starter

For solo founders finding their first 100 clients.

₹1,499/mo
Get started
  • 500 credits / month
  • 2 mailboxes
  • Sequences & warm-up
  • Unified inbox
Most popular

Growth

For teams scaling outbound that actually converts.

₹3,999/mo
Get started
  • 2,000 credits / month
  • 10 mailboxes
  • AI personalization
  • Analytics dashboards
  • Priority support

Scale

For agencies running outreach at full volume.

₹9,999/mo
Get started
  • 10,000 credits / month
  • Unlimited mailboxes
  • Rollover credits
  • Team workspaces
  • Dedicated success manager

All plans include a monthly credit allowance. See the Cancellation & Refund policy for billing terms.

Loved by operators

Pipelines that finally compound

We went from a graveyard of cold leads to a steady stream of booked calls. The warm-up alone paid for itself in a week.
Aarav Mehta
Founder, Tilde
The unified inbox changed how our team works. Every reply, classified and in one place. Nothing slips anymore.
Sofia Reyes
Head of Growth, Lumen Labs
AI personalization that actually sounds like us. Reply rates nearly tripled in the first month.
Daniel Okafor
SDR Lead, Vantage
Questions

Everything you were about to ask

NurtureOS warms your mailboxes, respects per-mailbox sending limits, and checks every send against suppression and spam signals, the things that keep you in the primary inbox.

Plant your next thousand clients today

Connect a mailbox, build your first sequence, and watch the pipeline grow. Free to start.

Get started free