Proofy vs Sumble
A factual comparison of features, pricing, and capabilities.
Proofy
Proofy is an email verification service for bulk list cleaning and real-time single verification through an API, with SMTP, syntax, domain, disposable and accept-all detection. Credits are sold pay-as-you-go or by subscription, never expire, and unknown results are not charged.
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 | Proofy | Sumble |
|---|---|---|
| Bulk email verification | ||
| Single verification in real time | ||
| Email verifier API | ||
| Duplicate email remover | ||
| ISP detection | ||
| Disposable and temporary detection | ||
| Accept-all detection | ||
| Syntax validation | ||
| SMTP verification | ||
| Mailbox full detection | ||
| 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.
Proofy
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.