Side by side
Flectar Mail vs MailFlow
Both stand on email clients. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidiPhoneLinux+2
Flectar Mail offers broad provider and protocol support in a free Rust application with local data handling. Its alpha status and experimental HTML rendering mean some messages or platforms may need patience.
Visit Flectar Mail
Free plan Self-hostedWeb
MailFlow combines a broad account range, unified search, and self-hosted data control in one web client. Check its lack of offline, scheduling, and calendar features, and choose the plan that matches personal or commercial use.
Visit MailFlowThe facts
| Flectar Mail | MailFlow | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Android, iPhone, Linux, Mac, Windows | Self-hosted, Web |
| Lowest paid plan | Not published | Business Use: $500 per installation, paid once |
| Plans published | None | 2 |
| Maker | Flectar Mail | Not published |
| Website | flectar.com | mailflow.sh |
| On email clients | #50 of 142 | #54 of 142 |
Flectar Mail: what it does well
- Free and AGPL-3.0 open source
- Supports Gmail, Outlook, and Microsoft 365
- Offline mail and calendar storage
- Broad IMAP, JMAP, CalDAV, and WebDAV support
- OpenPGP signing and encryption
What to know first
- Active alpha development
- iOS release is coming soon
- HTML email rendering is experimental
- Windows downloads are unsigned
MailFlow: what it does well
- Supports Gmail, iCloud Mail, Outlook, Fastmail, and IMAP
- Real-time syncing and full-text search across accounts
- AI can summarize, draft, and answer message questions
- Creates linked Todoist tasks from emails
- Includes inbox rules and newsletter unsubscribe tools
What to know first
- No scheduled sending or calendar tools
- No offline access
- Business license costs $500 a month
- Requires Docker Engine 24+ and Docker Compose v2
Alternatives to Flectar Mail Alternatives to MailFlow The whole list