ColdStack

ColdStack

ColdStack.co
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+

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About

ColdPilot is a web-based cold email outreach platform for solo founders, small sales teams, agencies, recruiters, and other businesses running outbound campaigns. Users connect Gmail, Outlook, or SMTP inboxes, import leads from CSV, build personalized multi-step sequences, and schedule follow-ups. The software supports inbox warm-up, multi-inbox sending rotation, email verification, deliverability checks, and tracking for opens, replies, and bounces. Reply and bounce detection can stop a sequence when a lead responds or an address is invalid. Users can review campaign activity and domain reputation analytics, while AI tools help generate email copy and warm-up content. ColdPilot also offers an API and webhooks on its Agency plan for connecting external systems.

About

Stop losing deals in the 2-hour window between lead reply and your response. ColdStack brings every cold email reply from Instantly, Smartlead, and EmailBison into a single Slack channel where your team can see and act instantly. Each reply triggers a real-time notification with full engagement context—who opened what, when, and how many times. Your team replies directly from Slack, and ColdStack syncs everything back bidirectionally to your source platform. No more toggling between dashboards, Gmail, and Slack. Built for cold email agencies and sales teams who live in Slack. Mobile-ready through Slack's app.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Solo founders, small sales teams, agencies, recruiters, and other businesses running outbound email campaigns.

Audience

B2B companies

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

No images available

Screenshots and Videos

No images available

Pricing

$19/month
The Starter plan is $19/month and includes 5,000 active leads, unlimited connected inboxes, AI email writing, multi-inbox rotation, and deliverability checks. Localized pricing is also available in Nigerian naira. Annual billing saves two months, and credit packs start at 100 credits.
Free Version Not Supported
Free Trial Supported

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 4.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 4.0 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Pros & Cons from Real Users

Pros

  • Adding mailbox for warmup is very easy and simple to follow. Emails actually hit the main inbox instead of going to spam because I got some couple or replied and performance stays strong once set up.

Cons

  • The dashboard looks very plain, so it might feel a bit simple if you want deep custom designs.

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Not Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

ColdPilot
Nigeria
usecoldpilot.com

Company Information

ColdStack.co
Founded: 2025
United States
www.coldstack.so/

Alternatives

Alternatives

PrimaryHub

PrimaryHub

Voltic
EmaReach

EmaReach

EmaReach AI
PrimaryHub

PrimaryHub

Voltic

Categories

Cold Email Supported

Categories

Cold Email Supported

Integrations

Gmail Supported
Microsoft Outlook Supported
Slack Not Supported

Integrations

Gmail Supported
Microsoft Outlook Not Supported
Slack Supported
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Claim ColdPilot and update features and information
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Claim ColdStack and update features and information