Canary Mail vs Mailbutler Smart Assistant
Canary Mail
canarymail.ioMailbutler Smart Assistant
mailbutler.ioSide by side
| Figure | Canary Mail | Mailbutler Smart Assistant |
|---|---|---|
| Price from | $3/mo | $7/mo |
| Free plan | Yes | Yes |
| Free trial | — | Yes |
| Open source | — | — |
| Web | — | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | — | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| Plans published | 5 | 10 |
| Spec score · Email clients | 9.1 (#8) | 9.4 (#2) |
| Free plan | Yes | Yes |
| App integrations | Growth includes app integrations. | Business plans sync tracking events with HubSpot and Salesforce and support Google Analytics 4 UTM data. |
| Paid from | 3 | 4 |
| Support channels | Support is available through the website chatbot, help guides, or [email protected]. | Mailbutler says its customer support team answers queries 24/7 and provides a Support Center. |
Plans
Canary Mail
- FreeFree
- Growth$3 a month
- Growth Lifetime$100, paid once
- Pro+$10 a month
- Pro+ Lifetime$300, paid once
Mailbutler Smart Assistant
- StarterFree
- Professional$9 a month
- Smart$14 a month
- Business$32 a month
- Professional (yearly billing)$7 a month
- Professional (monthly billing)$9 a month
- Smart (yearly billing)$11 a month
- Smart (monthly billing)$14 a month
- Business (yearly billing)$24 a month
- Business (monthly billing)$32 a month
In their own words
Canary Mail
Canary Mail is an email app for macOS, iOS, Android, and Windows, with a unified inbox, offline access, scheduled sending, and calendar tools. Its Free plan includes unlimited mail accounts and core inbox features such as lite read receipts, snooze, pinning, templates, and Inbox Zero, with support for up to two devices. AI tools include email writing, thread summarization, and automatic categorization. A seven-day trial opens paid features without a credit card or automatic billing; accounts that do not upgrade move to Free. Growth and Pro+ support up to five devices, and Growth includes app integrations. Pro+ includes PGP Encryption and SecureSend Encryption for HIPAA compliance. Canary Mail states that it is HIPAA and GDPR compliant and that email is not used to train AI models or shared with third-party AI providers for training. Licenses are single-user, not for teams or organizations. Free is free; Growth is $3 a month, billed yearly at $36/year; and Pro+ is $10 a month, billed yearly at $100/year.
Mailbutler Smart Assistant
Mailbutler Smart Assistant adds AI writing and email-management tools to Apple Mail, Microsoft Outlook, and Gmail. It drafts messages from keywords or prepares replies using details a user supplies, with controls for format, length, style, tone, and language. It can summarize selected emails, identify to-dos for Mailbutler Tasks, and suggest spelling and grammar improvements to drafts. Mailbutler says the assistant uses OpenAI GPT-4o. Smart Assistant is included in a 14-day trial, then requires a Smart or Business subscription. The separate free Starter plan includes a visible Mailbutler watermark on sent emails. Mailbutler says email subjects and bodies are processed by Microsoft Azure OpenAI Service in the EU, with personal data redacted before submission to the underlying model. It also says backend data is encrypted and that it is ISO/IEC 27001 certified and GDPR compliant. Apple Mail support is listed for macOS Tahoe, Sequoia, Sonoma, and Ventura; mobile apps require iOS 15 or later or Android 7 or later.