Proton Mail vs Superhuman
On the evidence we track, Superhuman leads this comparison with a composite score of 72/100. 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.
Proton Mail
An email platform that uses end-to-end encryption to protect message contents from server access. Funded by subscribers rather than data exploitation, it provides privacy-focused communication for individuals and businesses with features like password-protected emails, alias generation, and team management tools.
Superhuman
LeaderSuperhuman combines email management, collaborative documentation, and AI-powered contextual assistance into a unified platform. It helps teams and individuals handle communications, planning, and document workflows more efficiently by bringing AI capabilities directly into the apps they already use.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Proton Mail
- Essential-
- Unlimited logins, notes, and credit cards
- Browser, mobile, and desktop apps
- Secure vault, item and link sharing
- Built-in 2FA authenticator
- Dark Web Monitoring
- +2 more
- Plus-
- SSO and SCIM
- Access to Proton Sentinel
- File storage up to 100 MB
- SIEM integration
- Command line interface (CLI)
- +1 more
- Workspace Standard-
- 1 TB storage per user
- 15 custom email domains
- Secure personal and shared calendar
- Cloud storage and sharing
- User permissions and access management
- +1 more
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.
Proton Mail
- Gmail
- Outlook
- Yahoo
- Apple Mail
- Thunderbird
- Okta
- Microsoft Entra ID
- ADFS
- Edugain
- SimpleLogin
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
- +6 more
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.