Closely vs Mailbutler
A factual comparison of features, pricing, and capabilities.
Closely
Outbound platform that runs automated campaigns across LinkedIn and email from a shared sender, with a conditional sequence builder, unified inbox, contact enrichment and AI personalization agents.
Mailbutler
Mailbutler is an email extension for Gmail, Apple Mail and Outlook that adds email tracking, message templates, mail merge, smart follow-ups, AI compose, signatures, notes and tasks and team collaboration. Plans are per user per month billed in USD or EUR, with a free Starter plan.
Pricing comparison.
Monthly rates shown. Annual billing may offer discounts. Visit official sites for current pricing.
Feature comparison.
| Feature | Closely | Mailbutler |
|---|---|---|
| Multichannel campaigns across LinkedIn and email | ||
| Conditional sequence builder | ||
| Smart Inbox unifying LinkedIn and email replies | ||
| LinkedIn account warmup | ||
| Dedicated residential IP for each LinkedIn account | ||
| OAuth Gmail and Outlook connection plus custom SMTP | ||
| Email finder with a multi-step fallback process | ||
| Phone number finder | ||
| AI lead scoring and personalization agents | ||
| Export from Sales Navigator, LinkedIn posts and events | ||
| Email tracking with real-time notifications | ||
| Message templates | ||
| Mail merge | ||
| Smart follow-ups | ||
| Smart compose and smart improve (AI) | ||
| Smart timing | ||
| Email assignments and collaborator status | ||
| Notes and tasks | ||
| Automations | ||
| Signature marketing |
Native integrations.
Closely
Mailbutler
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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.