Side by side
Mailbutler Smart Assistant vs Metis Mail
Both stand on ai email assistants. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidExtensioniPhone+4
Smart Assistant brings composition, summaries, and task finding to three major email clients. Its free Starter plan is separate from the Smart features, which require a paid subscription after the trial.
Visit Mailbutler Smart Assistant Free plan Open source APISelf-hostedWeb
Choose Metis Mail if you want a unified inbox with an AI agent, phishing analysis, and a free forever open-source plan. Teams that need shared mailboxes, team rules, or priority support can choose Workspace; people who need native iOS or Android apps may want to wait for those apps to arrive.
Visit Metis MailThe facts
| Mailbutler Smart Assistant | Metis Mail | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | No | Yes |
| Runs on | Android, Extension, iPhone, Linux, Mac, Web, Windows | API, Self-hosted, Web |
| Lowest paid plan | See the plans | Cloud Pro annual: $115 per user a year |
| Plans published | 10 | 8 |
| Maker | Mailbutler Smart Assistant | Metis Mail |
| Website | mailbutler.io | trymetis.email |
| On ai email assistants | #4 of 46 | #1 of 46 |
Mailbutler Smart Assistant: what it does well
- Drafts and replies from keywords or supplied details.
- Adjusts writing format, tone, style, and language.
- Finds to-dos for Mailbutler Tasks.
- Supports Apple Mail, Outlook, and Gmail.
What to know first
- Smart Assistant requires a Smart or Business subscription after the 14-day trial.
- Free Starter sent emails include a visible watermark.
- Mobile apps require iOS 15 or later or Android 7 or later.
- Automatic sending is not available.
Metis Mail: what it does well
- Combines Gmail, Microsoft 365, and Zoho Mail accounts in one inbox.
- Keeps folders, threads, attachments, and read states synchronized.
- AI agent summarizes threads, drafts replies, and triages messages.
- Phishing verdicts include a risk score and reasons.
- Free plan includes every feature, unlimited workspaces, and mailboxes.
What to know first
- Cloud Pro allows up to three connected mailboxes.
- Native iOS and Android apps are on the roadmap.
- Workspace costs $20 a month.
Alternatives to Mailbutler Smart Assistant Alternatives to Metis Mail The whole list