
Mailbutler Smart Assistant
8.9#2 in email clientsFree planFree planAndroidiOSWebExtension
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| Fact | Mailbutler Smart Assistant | Mailspring |
|---|---|---|
| Free plan | Yes | Yes |
| Headquarters | Berlin, Germany | San Francisco, California, United States |
| Integrations | Business plans sync tracking events with HubSpot and Salesforce and support Google Analytics 4 UTM data. | Mailspring syncs directly with mail providers using IMAP and with calendars and contacts using CalDAV and CardDAV. |
| Product | Mailbutler presents Smart Assistant as an AI email assistant for Apple Mail, Gmail, and Outlook. | Mailspring is a native desktop email client for people who take email seriously. |
It suits people who want AI drafting, reply, summary, and task-finding tools in Apple Mail, Outlook, or Gmail. Check the supported operating systems and subscription requirement before choosing it.
Mailspring suits desktop users who manage multiple email accounts and want offline access, indexed search, and a unified inbox. Users who need read receipts, templates, or send-later tools can consider Pro.