Franz vs Mozilla Thunderbird
| Franz | Mozilla Thunderbird | |
|---|---|---|
| Free plan | Yes | |
| Paid from | Free | |
| Open source | Yes | |
| Platforms | Linux, macOS, Windows | Android, Linux, macOS, Windows |
| Free plan | Yes | Yes |
| Paid from | $5/user/mo | |
| Channels | Yes | |
| Integrations | Slack, Microsoft Teams, Mattermost, Rocket.Chat, Zoho Cliq, Twist, Chatwork, Zulip, Cisco Webex Teams, Yammer, Element, Nextcloud Talk | |
| Supported platforms | macOS, Windows, Linux | |
| App coverage | Email, calendar, contacts, and tasks | |
| Unified inbox | Yes | |
| Offline access | Yes | |
| Scheduled sending | Yes | |
| Calendar tools | Yes | |
| Mobile apps | Android |
Listed together in Best Email Clients