All alternatives › Spark
Indie alternatives to Spark
5 products made by independent developers and small teams that do what Spark does, 3 of them with a free plan. Free and open-source options come first.
At a glance
| Product | Price | Open source | Self-host | Platforms |
|---|---|---|---|---|
| Airmail | Free plan | – | – | Mac, iOS |
| Canary Mail | Free plan | – | – | Mac, Windows, iOS, Android |
| Mailspring | Free plan | Yes | – | Mac, Windows, Linux |
| Mimestream | Paid | – | – | Mac |
| Superhuman | Paid | – | – | Web, Mac, Windows, iOS, Android |
The alternatives
2. Canary Mail
Secure email client with encryption and AI
An email client with PGP encryption, read-receipt blocking, a unified inbox and AI assistance for any email provider.
Free plan · Mac, Windows, iOS, Android · Website ↗
3. Mailspring
Free, fast desktop email client
An open-source desktop email client with a unified inbox, snooze, send later and optional paid features like read receipts.
Free plan · Mac, Windows, Linux · Website ↗
4. Mimestream
Native macOS email client for Gmail
Mimestream is a Mac email app built specifically for Gmail, using the Gmail API to support labels, filters and multiple accounts.
Paid · Mac · Website ↗
5. Superhuman
Fast, keyboard-driven email client with AI
A premium email client for Gmail and Outlook built for speed with keyboard shortcuts, split inbox, reminders and AI writing.
Paid · Web, Mac, Windows, iOS, Android · Website ↗
Questions
Is there a free alternative to Spark?
Yes. 3 of the 5 indie alternatives listed here have a free plan or are free: Airmail, Canary Mail and Mailspring.
Is there an open-source alternative to Spark?
Mailspring is open source.
Which Spark alternatives work on Mac, Windows, iPhone or Android?
On Windows: Canary Mail, Mailspring and Superhuman. On Linux: Mailspring. On iPhone and iPad: Airmail, Canary Mail and Superhuman. On Android: Canary Mail and Superhuman. On the web: Superhuman.
What makes these alternatives to Spark “indie”?
They are built by independent developers or small teams rather than large companies. Each one is listed because it does the same core job as Spark.
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