Spike vs Superhuman
On the evidence we track, Superhuman leads this comparison with a composite score of 70/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.
Capabilities
Feature-by-feature on the axes that matter for email clients. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Spike
Spike combines email with team messaging features in a single platform, offering a unified inbox view across multiple accounts and calendars. It serves as a collaboration and communication tool for freelancers, entrepreneurs, and teams.
Superhuman
LeaderA productivity suite combining a fast email client, collaborative documents with built-in AI, and a proactive AI agent that integrates across web apps and tools you already use.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Spike
Free tier available for up to 3 members. Team plans start at $4/seat/month (annual). Personal plans from $6/month.
- StarterFree
- 1 teamspace
- Free @spike.team email address
- 60 days search history
- Spike AI (10 queries)
- Standard support
- Team$4/seat/month billed annually
- Unlimited Spike AI
- Free custom domain (yearly)
- Unlimited search history
- Broadcast channels
- Shared inbox
- +2 more
- Business$8/seat/month (launching soon)
- SAML-SSO
- 500 MB file uploads
- VIP support
- Smart InboxFree
- 1 email address
- 60 days search history
- Unified calendar
- Pro$6/month
- Voice messages
- 1-click unsubscribe
- Guest collaborators
- Ultimate$12/month
- All Pro features
- 20 GB storage
- 1 GB file uploads
Superhuman
LeaderFrom £10/member/month. Free tier available.
- FreeFree
- Chat with AI in all applications and tabs
- Writing assistance in 20+ languages
- Tone and voice adaptation
- Collaborative docs with tables, charts, Kanban boards, forms
- Doc automation with formulas
- Pro£10/member/month (annual) or £12/member/month (monthly)
- Unlimited paragraph rewrites and translations (15+ languages)
- AI-generated text detection and plagiarism checking
- Brand voice consistency enforcement
- Business£28–£33/member/month (exact amount depends on billing frequency)
- AI-powered inbox organization and smart replies
- Personalized email drafts
- CRM integrations (HubSpot, Salesforce, Pipedrive read-only)
- Unlimited doc automations and version history
- Data sync from Jira, GitHub, Figma into docs
- EnterpriseContact sales
- Team analytics and reporting
- Advanced security and admin controls
- SAML single sign-on
- Custom roles and permissions
- Data loss prevention
- +2 more
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
Spike
Superhuman
Leader- Asana
- Ashby
- ClickUp
- Commerce Layer
- DeepL
- Demio
- Figma
- GitHub
- Gong
- Google Analytics
- Google Calendar
- Google Meet
- Google Translate
- Google Workspace Directory
- HeyGen
- HubSpot
- Jira
- Mermaid
- Miro
- Microsoft Outlook
- Microsoft Teams
- Outreach
- Pipedrive
- Salesforce
- +33 more
Spike or Superhuman: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.