Best Email Client · alternatives
Best Spike alternatives (2026)
5 alternatives to Spike in email client, ranked by entry price. Spike starts at $0/mo. Every figure links to the public page it was captured from — the vendor's own wherever the vendor publishes the number, otherwise the named public source — with the date we captured it.
Key takeaways
- Free alternatives: Canary Mail, Shortwave, Spark Mail, Superhuman.
- Closest by price: Canary Mail ($0/mo), Shortwave ($0/mo), Spark Mail ($0/mo).
Spike alternatives compared
| # | Alternative | Entry price | Free | HIPAA | Best for | Source |
|---|---|---|---|---|---|---|
| 1 | Canary Mail | $0/mo | Yes | Yes | healthcare professionals | canarymail.io |
| 2 | Shortwave STALE · 2026-06-18 | $0/mo | Yes | — | Gmail power users | shortwave.com |
| 3 | Spark Mail | $0/mo | Yes | No | individuals and small teams | sparkmailapp.com |
| 4 | Superhuman | $0/mo | No | No | power email users | superhuman.com |
| 5 | Missive | $14/mo | No | No | small teams with shared inboxes | missiveapp.com |
Data current through 2026-09-02. STALE marks a row with at least one plan we have not re-checked at its source in over 30 days. 1 of 5 rows above is marked. Compare any two directly on the Email Client index.