There are great tools for speeding up email. Senticly is built for a different job: privately querying what’s already in your inbox. Here’s an honest look at where each one fits.
| Capability | Senticly | Superhuman | Shortwave | SaneBox |
|---|---|---|---|---|
| Ask your inbox in plain language | ✓ | ✓ | ✓ | ✕ |
| Answers cited to source emails | ✓ | partial | ✓ | ✕ |
| End-to-end / zero-knowledge encryption | ✓ | ✕ | ✕ | ✕ |
| Works with any IMAP/POP3 mailbox | ✓ | limited | limited | ✓ |
| No need to switch email client | ✓ | ✕ | ✕ | ✓ |
| Free plan | ✓ | ✓ | ✕ | trial |
| Starting paid price | €10/mo | ~$12/mo | ~$24/mo | ~$4.99/mo |
Competitor details are our best understanding as of 25 Jun 2026 and may have changed — please check their official sites. “Partial” / “limited” indicate the capability exists in a narrower form.