No setup hassles.
Inbox One — The Smarter Unified Inbox for Modern Teams
All your email accounts, calendars, contacts, and tasks — seamlessly unified with powerful AI to help you take control, save time, and get to inbox zero with confidence.
8
6
4
7
3
0
9
6
4
9
9
%
Inbox Deliverability
4
7
6
3
8
9
0
4
6
3.
0
3
0
4
2
6
9
3
2
x
Increase in Reply Rates
8
6
4
7
3
0
9
6
4
5
0
7
0
9
4
2
3
6
3
2
8
6
0
4
7
4
3
9
6
m
+
Emails Sent Monthly
8
6
4
7
3
0
9
6
4
2
0
7
3
0
4
2
6
9
3
2
8
6
4
7
3
0
9
6
4
0
+
Global Reach
Features
Pipeline Growth with ColdBox
Our platform is designed for high-volume senders who need maximum deliverability and team scalability.
Wide Integration Support
Seamlessly push interested leads directly into HubSpot, Salesforce, or Pipedrive.
Secure Cloud Storage
Your data is protected with enterprise-grade security. We are SOC 2 compliant, ensuring your prospect lists are safe and encrypted.
Scalable as you grow
Connect unlimited email accounts and scale your sending volume without risking domain reputation.
Deliverability Reports
Experience real-time tracking of open rates, click-throughs, and bounces with zero delays.
Manage Your Sender
Take full control of your domain reputation with real-time health monitoring and automated warm-up.
How it Works
Streamline
Your Outreach
Shape extraordinary commerce experiences, process every payment with precision, and accelerate business growth.
Step 01: Import & Verify
Connect & Upload
Link your email accounts (Gmail, Outlook) and upload your lead list. Our built-in verifier cleans your data to ensure 0% bounce rates.
Step 02: Personalize with AI
Craft Your Campaign
Use our AI writer to generate hyper-personalized subject lines and body copy that resonates with every single prospect.
Step 03: Automate & Scale
Launch & Analyze
Set your follow-up schedule and hit send. Watch warm leads roll into your inbox while tracking open rates and replies in real-time.
Features
Boost Your Sales Pipeline with ColdBox
Everything you need to turn cold prospects into loyal customers.
AI Email Warm-Up
Never land in spam again. Our automated warm-up network gradually builds your domain reputation, ensuring your emails hit the primary inbox every time.
- Automated sender reputation scaling
- Real-time deliverability monitoring
Smart Sequences
Create multi-step drip campaigns that automatically stop when a prospect replies. Schedule follow-ups based on recipient time zones to maximize visibility.
- Time-zone intelligent sending
- Unlimited follow-up steps
Unified Inbox
Manage replies from all your email accounts in one centralized dashboard. Assign leads to teammates and never let a deal slip through the cracks.
- Multi-account management
- Team collaboration tools
Compare
What makes up different
Discover the experienced leaders driving our company's vision, innovation, and success.
ColdBox
Instantly
SmartLeads
Unlimited Emails
✅ Unlimited
Limited to 125,000
Limited to 150,000
Premium Warm-up
✅ +50% Deliverability
❌
❌
Real-Time Unified Inbox
⚡ 0s Delay (Live)
⏱️ Delayed Sync
⏱️ Delayed Sync
Smart IP Rotation
🌐 +40% Deliverability
❌
❌
Bulk Email Setup
⚡ 3 Clicks (Bulk)
❌ Manual
❌ Manual
Contact Upload Limit
📈 35,000 Contacts
25,000 Contacts
30,000 Contacts
Integration
Connect with the Tools You Love
ColdBox integrates seamlessly with your favorite CRMs and productivity tools to keep your workflow smooth.
Pricing Plan
Transparant pricing
Choose a plan that fits your business needs and budget. No hidden fees, no surprises—just straightforward pricing for powerful financial management.
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Testimonials
Loved by Growth Hackers
See how ColdBox is changing the game for sales teams.
Amber Arnessia
"Their platform has completely transformed how we handle transactions. The process is now incredibly smooth, and we’ve seen significant improvements in efficiency management."
May 16, 2024
Amber Arnessia
"Their platform has completely transformed how we handle transactions. The process is now incredibly smooth, and we’ve seen significant improvements in efficiency management."
May 16, 2024
Amber Arnessia
“The integration was seamless. We connected all our tools within minutes, and it immediately improved how our team collaborates and tracks performance."
May 16, 2024
Amber Arnessia
"Thanks to their real-time analytics, we now make data-driven decisions faster than ever. It’s helped us stay ahead in a competitive market."
May 16, 2024
Amber Arnessia
"Their platform has completely transformed how we handle transactions. The process is now incredibly smooth, and we’ve seen significant improvements in efficiency management."
May 16, 2024
Amber Arnessia
"Their platform has completely transformed how we handle transactions. The process is now incredibly smooth, and we’ve seen significant improvements in efficiency management."
May 16, 2024
Amber Arnessia
"Their platform has completely transformed how we handle transactions. The process is now incredibly smooth, and we’ve seen significant improvements in efficiency management."
May 16, 2024
Amber Arnessia
“The integration was seamless. We connected all our tools within minutes, and it immediately improved how our team collaborates and tracks performance."
May 16, 2024
Amber Arnessia
"Thanks to their real-time analytics, we now make data-driven decisions faster than ever. It’s helped us stay ahead in a competitive market."
May 16, 2024
Amber Arnessia
"Their platform has completely transformed how we handle transactions. The process is now incredibly smooth, and we’ve seen significant improvements in efficiency management."
May 16, 2024
Amber Arnessia
"Their platform has completely transformed how we handle transactions. The process is now incredibly smooth, and we’ve seen significant improvements in efficiency management."
May 16, 2024
Amber Arnessia
"What impressed us most was the ease of use. Even without technical expertise, our team was up and running in no time."
May 16, 2024
Amber Arnessia
"Their platform has completely transformed how we handle transactions. The process is now incredibly smooth, and we’ve seen significant improvements in efficiency management."
May 16, 2024
Amber Arnessia
"Their customer support is exceptional—quick, responsive, and truly helpful. It’s like having an extension of our own team available 24/7."
May 16, 2024
Amber Arnessia
"Their platform has completely transformed how we handle transactions. The process is now incredibly smooth, and we’ve seen significant improvements in efficiency management."
May 16, 2024
Amber Arnessia
"Their platform has completely transformed how we handle transactions. The process is now incredibly smooth, and we’ve seen significant improvements in efficiency management."
May 16, 2024
Amber Arnessia
"What impressed us most was the ease of use. Even without technical expertise, our team was up and running in no time."
May 16, 2024
Amber Arnessia
"Their platform has completely transformed how we handle transactions. The process is now incredibly smooth, and we’ve seen significant improvements in efficiency management."
May 16, 2024
Amber Arnessia
"Their customer support is exceptional—quick, responsive, and truly helpful. It’s like having an extension of our own team available 24/7."
May 16, 2024
Amber Arnessia
"Their platform has completely transformed how we handle transactions. The process is now incredibly smooth, and we’ve seen significant improvements in efficiency management."
May 16, 2024
FAQ’s
Everything You Need to Know, All in One Place
Discover quick and comprehensive answers to common questions about our platform, services, and features.
Will my emails go to spam?
Not with ColdBox. Our built-in "Email Warm-up" feature interacts with our network of inboxes to build your sender reputation, ensuring you land in the Primary tab.
Can I connect multiple email accounts?
Yes! You can connect unlimited Gmail, Outlook, or SMTP accounts. This allows you to scale your sending volume safely by spreading the load across multiple inboxes.
Is there a limit to how many emails I can send?
Daily limits depend on your plan, but our "Agency" plan supports high-volume sending tailored for heavy users, while keeping your domain safe.
Do you integrate with my CRM?
Absolutely. We offer native integrations with HubSpot, Salesforce, and Pipedrive, plus thousands of other apps via Zapier.
Can I invite my team?
Yes, ColdBox is built for collaboration. You can invite team members, assign specific inboxes, and manage permissions from a single admin dashboard.
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