Spark Mail vs Superhuman Mail

Pick up to 4 tools and see their free plans, entry prices, platforms and limits in one table. Every fact comes from each vendor's own pages, checked 16 October 2026.

Compared on	Spark Mail Free plan · from $8.25/user/mo Visit Remove	Superhuman Mail From $25/member/mo Visit Remove
What it is	Cross-platform email app with a smart inbox, AI writing and team features	AI email app for teams that use Gmail or Outlook
Free plan	Unlimited email accounts and core email features; AI assistant limited to 1 month of email history; 5 AI meeting notes (lifetime); 2 free active collaborators; 10 assignments per team; 5 GB team file storage.	No
Cheapest paid plan	$8.25/user/mo billed annually (Plus)Spark Mail pricing	$25/member/mo billed annually (Starter)Superhuman Mail pricing
What it covers	$99 per year when billed annually.	Mail is also included in the Superhuman suite Business plan ($40 monthly, or $33 per member/month billed annually), which bundles Mail, Grammarly, Docs and Go.
Free trial	7-day free trial of Plus or Pro when subscribing in the app	None stated
Platforms	macOS, Windows, iOS, Android	macOS, Chrome extension
Integrations (vendor's figure)	Not stated	Not stated
Open source	No	No
Good for	Managing several email accounts in one app across computer and phone Drafting and summarising emails with AI Sharing and assigning emails within a small team	Working through a heavy Gmail or Outlook inbox faster Drafting routine replies with AI Sales teams viewing CRM records next to email
Watch out for	Free plan AI assistant only covers 1 month of email history and includes 5 lifetime meeting notes Free plan allows 2 active collaborators and 10 assignments per team Workflows, Auto-Labels and Auto-Drafts are listed as coming soon on Pro	No free plan for Mail; the Superhuman suite's Free and Pro plans do not include Mail Built for Gmail and Outlook users; other email providers are not mentioned on the product page Auto Drafts, Ask AI and CRM integrations require the Business plan
Made by	Readdle (Spark Mail Limited)	Superhuman (formerly Grammarly)

Entry prices are the cheapest paid plan, as each vendor publishes it; “What it covers” says what that price is per (a user, a channel, a brand, a number of contacts). The sources are listed on each tool's page.

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