Is Shortwave or Spark Mail cheaper?

Shortwave has the lower entry price — Shortwave starts at $0/mo and Spark Mail at $0/mo.

Does Shortwave or Spark Mail support HIPAA?

HIPAA support — Shortwave: —; Spark Mail: No. Confirm current scope with the vendor.

Shortwave vs Spark Mail

A sourced, side-by-side comparison for email client. Shortwave has the lower entry price. 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.

Shortwave has the lower entry price — Shortwave starts at $0/mo, Spark Mail at $0/mo. Free tier: Shortwave Yes, Spark Mail Yes. HIPAA: Shortwave —, Spark Mail No.

As of 2026-09-02 · figures link to their source below STALE

Side by side

Shortwave

$0/mo entry

Entry price$0/mo (Free)

Free tierYes

HIPAA (BAA)—

SOC 2—

GDPR—

Best forGmail power users

Spark Mail

$0/mo entry

Entry price$0/mo (Free)

Free tierYes

HIPAA (BAA)No

SOC 2—

GDPRYes

Best forindividuals and small teams

Sources — Shortwave: shortwave.com (verified 2026-09-02) STALE · 2026-06-18 · Spark Mail: sparkmailapp.com (verified 2026-09-02)

Key features

Shortwave: AI-native inbox with executive assistant; Multi-tiered AI search over full email history; AI-powered filters and thread summarization; Contextual AI autocomplete

Spark Mail: Cross-platform (iOS, Mac, Windows, Android); Spark +AI meeting notes and AI assistant; Smart Inbox with priority triage; Team collaboration and shared drafts

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