Readdle
Spark Mail
Email client by Readdle with a smart inbox, AI assistant and shared team inboxes.
Price, checked Oct 26, 2026Free plan · paid from $8.25/user/moTry Spark Mail free
Spark Mail vs Superhuman Mail
Pricing, platforms and features side by side, where the two differ, and who each one suits.
Spark Mail pricing and alternatives
Superhuman
Superhuman Mail
Keyboard-driven email app with AI drafting and team sharing for Gmail and Outlook.
Price, checked Oct 26, 2026From $25/user/moGet Superhuman Mail
Side by side
| Feature | Spark Mail | Superhuman Mail |
|---|---|---|
| Price | Free plan · paid from $8.25/user/mo | From $25/user/mo |
| Works on | Mac, Windows, iPhone, Android | Mac, Windows, iPhone, Android, Web, Chrome extension |
| Accounts | Gmail, Outlook, iCloud, Any IMAP | Gmail, Outlook |
| AI features | Yes | Yes |
| Shared inbox | Yes | Yes |
Rows where the two differ come first. Prices from each vendor's pricing page.
Where only one fits
- Spark MailiCloudSomething else
- price
- Spark MailFreeUp to $10 a monthUp to $20 a month
Ranked in our guides
| Guide | Spark Mail | Superhuman Mail |
|---|---|---|
| Best email apps for Gmail | #2 | #4 |
| Best email apps for Outlook | #1 | #6 |
| Best email apps for Mac | #3 | #6 |
| Best AI email apps | #1 | #3 |
We don't test apps ourselves. Features and prices come from each vendor's own site; guide ranks follow what independent reviewers recommend.