Apollo.io is a popular sales intelligence and engagement platform. While Apollo offers a comprehensive suite including data, sequences, and CRM features, Important Emails focuses specifically on cold email deliverability and execution.
| Feature | Important Emails | Apollo.io |
|---|---|---|
| Email Verification | Included with all plans | Included |
| Deliverability Testing | Advanced multi-provider testing | Basic |
| Domain Warmup | Automated warmup included | Available |
| Lead Database | Via LinkedIn integration | Built-in 275M+ contacts |
| Spam Testing | AI-powered spam analysis | Basic |
| CRM Integration | API available | Built-in CRM |
| Pricing Model | Per mailbox, unlimited sends | Per user + credits |
Purpose-built for inbox placement with advanced spam testing and domain health monitoring.
Flat per-mailbox pricing without complex credit systems or usage limits.
We handle domain setup, warming, and reputation management for you.
Cold email experts help optimize your campaigns and troubleshoot deliverability issues.
Combines data, engagement, and CRM in one tool.
275M+ contacts with direct data access.
Widely adopted with extensive integrations.
Starting at $99/month per mailbox with unlimited sends
Free tier available, paid plans from $49/user/month with credit limits
Choose Important Emails if deliverability is your top priority and you have lead sources. Choose Apollo if you need an all-in-one platform with built-in data.
Test our deliverability tools and see why teams choose Important Emails for their cold email infrastructure.