Independent · sourced · Updated June 2026
Best Email Client (2026)
The cheapest email client is Canary Mail at $0/mo. 5 offer a free tier (Canary Mail, Shortwave, Spark Mail). This page compares 6 options on entry price, free tier, HIPAA/SOC 2 and best-for — every figure linked to its source, updated June 2026.
6 options compared on price, free tier, compliance and fit — ranked cheapest-first. Every figure links to the vendor's own page and the date we captured it; quote-only tiers show “—”, never a guess.
Key takeaways
- Cheapest: Canary Mail at $0/mo (Free).
- Typical paid price: from $3/mo, median $14/mo, up to $40/mo — across 5 with published pricing.
- Free tier: Canary Mail, Shortwave, Spark Mail, Spike, Superhuman.
- HIPAA-ready: Canary Mail.
- Tracked: 6 vendors, data current through 2026-06-18.
Comparison
| # | Email Client | Entry price | Free | HIPAA | SOC 2 | Best for | Source |
|---|---|---|---|---|---|---|---|
| 1 | Canary Mail | $0/mo Free | Yes | Yes | — | healthcare professionals | canarymail.io |
| 2 | Shortwave | $0/mo Free | Yes | — | — | Gmail power users | shortwave.com |
| 3 | Spark Mail | $0/mo Free | Yes | No | — | individuals and small teams | sparkmailapp.com |
| 4 | Spike | $0/mo Teamspace Free | Yes | — | — | teams wanting chat-style email | spikenow.com |
| 5 | Superhuman | $0/mo Free (no email) | No | No | Yes | power email users | superhuman.com |
| 6 | Missive | $14/mo Starter | No | No | Yes | small teams with shared inboxes | missiveapp.com |
Prices are the lowest published self-serve monthly rate as captured on the linked source. Annual-billing and usage details are on each vendor's record in our open dataset.
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Frequently asked questions
What is the cheapest email client?
Canary Mail has the lowest published entry price at $0/mo (Free), as of 2026-06-18.
How much does email client cost per month?
Across the 5 email client with published paid pricing, the median starting price is $14/mo, ranging from $3/mo to $40/mo, as of 2026-06-18. 5 also offer a free tier.
Which email client have a free plan?
Canary Mail, Shortwave, Spark Mail, Spike, Superhuman offer a free tier.
Which email client support HIPAA?
Canary Mail state HIPAA support (a BAA). Always confirm current scope with the vendor.
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How we compiled this
Pricing re-verified against each vendor's official pricing page (superhuman.com/pricing, shortwave.com/pricing, missiveapp.com/pricing, sparkmailapp.com/pricing, canarymail.io/pricing, spikenow.com/pricing) plus official help/billing docs (help.superhuman.com pricing article, shortwave.com/docs/guides/billing, shortwave.com/docs/guides/security) and compliance pages (missiveapp.com/security, canarymail.io compliance help page, trustlists.org/company/superhuman, trust.superhuman.com, spikenow.com/security). Corrections vs draft: (1) Superhuman email-only Starter tier is discontinued for new subscribers post-Grammarly (email now requires Business) — removed as a sellable priced row; (2) Spark Plus annual discount corrected 18%->13% per vendor's stated 'SAVE 13%'; (3) Spike 'annual only' limit corrected — monthly prices are published. Spark publishes EUR only; USD omitted (monthlyUsd=null). Shortwave Free is a verified free-forever tier (billing docs). accessedAt 2026-06-18.
Last verified 2026-06-18. We re-check published prices and compliance on a recurring cadence and update this page when they change.
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