In short
Superhuman is a keyboard-driven email app for Gmail and Outlook accounts, priced from about $25 to $40 a month, with AI that runs in the cloud. LocalInbox is also keyboard-first (⌘K and single-key triage), works with Gmail, iCloud, Yahoo, Fastmail and any IMAP account, runs its AI on your Mac, and costs a one-time $19 to $49.
At a glance
| Feature | LocalInbox | Superhuman |
|---|---|---|
| Price | One-time licence: $19 early access, then $49 | About $30/month, or $25/month billed yearly; Business about $40/month |
| Where AI runs | Apple's on-device model, on your Mac | In the cloud |
| Accounts | Gmail, iCloud, Yahoo, AOL, Fastmail, Zoho, GMX, Proton Bridge, any IMAP | Gmail and Outlook |
| Keyboard-first | Yes: ⌘K and single-key triage | Yes |
| Free trial | 7 days, no card | Trial offered; no free plan |
| Platforms | Mac | Mac, Windows, web, iPhone, Android |
When LocalInbox is the better choice
- You want keyboard speed without paying every month.
- You use iCloud, Yahoo, Fastmail or your own IMAP server.
- You don't want an AI cloud reading your mail.
When Superhuman is the better choice
- You need the same app on your phone and in a browser.
- Your company uses Superhuman's team features.
- You need Outlook today.
Sources
Facts about Superhuman were checked in October 2026 and can change; check its website for current prices and features. Facts about LocalInbox come from its own documentation.
Questions
Does LocalInbox have Superhuman's keyboard shortcuts?
LocalInbox has its own: ⌘K for any message or action, J and K to move, E to archive, # to delete, R to reply, S to snooze, and ⌘Z to undo any of them. They can be remapped.