Stop Missing Leads.
Start Closing
Deals.
Premium cold email infrastructure that actually works. Fast setup. Reliable delivery. Real-time performance.
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to PrimaryInbox
Be the first to experience premium cold email infrastructure. Limited spots available for our launch.
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Features
Everything You Need
to Scale
All the tools you need for successful cold email campaigns in one powerful platform. No compromises.
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Premium Warmup Automated warmup with real Google & Microsoft accounts. Reach full sending capacity in 2-3 weeks.
Master Inbox Manage all replies in one unified inbox. AI-powered sorting keeps you organized.
Smart Rotation Automatically rotate sending across unlimited accounts. Maximize deliverability without manual work.
Email Validation Built-in validation removes invalid emails before sending. Protect your reputation automatically.
Campaign Analytics Real-time tracking of opens, clicks, and replies. Optimize performance with actionable insights.
Spintax & Personalization Dynamic content variations keep emails unique. Boost engagement with smart personalization.
$3/Month
Included Setup:
$10/Month
Included Setup:
Email Tools
Email Tool
Showdown
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EMAIL DELIVERABILITY
Warmup Pool Type
100% Premium Pool (Google, Microsoft & SMTP) ⭐
Mixed pool
Mostly SMTP accounts (SMTP heavy)
Warmup Quality
All premium accounts
Lower quality mixed
Majority SMTP-based
Inbox Placement
95%+ primary inbox
85-90% primary
85-90% primary
Warmup Speed
Fast (2-3 weeks)
Standard (3-4 weeks)
Standard (3-4 weeks)
Winner
✅ Best Deliverability
❌ Average
❌ SMTP Heavy
MASTER INBOX
Reply Fetching Speed
Real-time (instant) ⭐
Slow (1-2 hours delay) ❌
Slow (1-2 hours delay) ❌
Email Sync
Live sync
Delayed sync
Delayed sync
Missing Replies Issue
Never ⭐
Frequent complaints ❌
Frequent complaints ❌
Winner
✅ Fastest & Most Reliable
❌ Slow & Buggy
❌ Slow & Buggy
CORE FEATURES
Email Accounts
Unlimited
Unlimited
Unlimited
Daily Sending Limit
Smart rotation
Smart rotation
Smart rotation
Spintax Support
✅ Yes
✅ Yes
✅ Yes
Email Validation
✅ Included
❌ Extra cost
❌ Not included
SUPPORT & RELIABILITY
Customer Support
24/7 Live Chat
Chat (delayed)
Email only (Basic)
Reply Speed
Instant ⭐
Slow (2-4 hours)
Slow (12-24 hours)
Testimonials
User reviews and
feedback
Users share how Capable redefined their social experiences.
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Common Questions
Got Questions? We've Got
Answers
Everything you need to know about PrimaryInbox. Can't find what you're looking for? Contact our team.
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We use 100% premium warmup accounts (Google & Microsoft), offer real-time inbox sync, and include features others charge extra for like email validation.
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2-3 weeks for full warmup using our premium pool. Other tools using SMTP take 4+ weeks.
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Yes. All plans include unlimited email account connections with smart rotation.
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Yes. 14-day free trial with full access. No credit card required.
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Gmail, Google Workspace, Outlook, Office 365, and any IMAP/SMTP provider.
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Yes. Cancel anytime with no penalties or fees.
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