Apollo.io vs Sumble
A factual comparison of features, pricing, and capabilities.
Apollo.io
All-in-one sales intelligence and engagement platform combining a 275M+ contact database with automated sequences, email outreach, dialer, and AI-powered workflows for prospecting at scale.
Sumble
Sumble is a GTM data platform that maps the teams, technologies and active initiatives inside target accounts so sellers reach the right people with the right message, with tech, job-function and firmographic search, signals and an MCP server. Free and Pro plans are per month in USD.
Pricing comparison.
Monthly rates shown. Annual billing may offer discounts. Visit official sites for current pricing.
Feature comparison.
| Feature | Apollo.io | Sumble |
|---|---|---|
| B2B contact and company database (275M+ contacts) | ||
| Multi-channel sequences (email, phone, LinkedIn) | ||
| AI-powered email writing and optimization | ||
| Built-in dialer with call recording | ||
| Automated workflows and engagement rules | ||
| A/B testing for email sequences | ||
| Buying intent signals and job change alerts | ||
| Advanced lead scoring and filtering | ||
| Email deliverability tools and mailbox rotation | ||
| Conversation intelligence (Professional+) | ||
| Tech, job function and firmographic search | ||
| Browse organizations and find people | ||
| Reporting hierarchy | ||
| Signals on chosen organizations | ||
| Personalized outreach email drafts | ||
| Full text search | ||
| MCP server | ||
| Project-based search filters |
Native integrations.
Apollo.io
Sumble
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Information gathered from official sources and may change. Pricing and features last verified 9/4/2026. Please visit the official websites for the most current information.