Proton Mail
Email service with built-in encryption so only you and recipients can read your messages
- Also known as
- proton-mail
Available worldwide · Popular in: EU, US, GB
What is 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.
Proton Mail pricing
Plans, per-tier features and add-ons, dated and linked to live pricing. Pricing changes often; always verify at source before you rely on it.
Essential
Account protection for small teams
- notes
- unlimited
- logins
- unlimited
- credit_cards
- unlimited
- hide_my_email_aliases
- unlimited
- Unlimited logins, notes, and credit cards
- Browser, mobile, and desktop apps
- Secure vault, item and link sharing
- Built-in 2FA authenticator
- Dark Web Monitoring
- Passkey support on all devices
- Unlimited hide-my-email aliases
Plus
Advanced account protection with admin controls
- file_storage
- 100 MB
- SSO and SCIM
- Access to Proton Sentinel
- File storage up to 100 MB
- SIEM integration
- Command line interface (CLI)
- Group management for organizing users
Workspace Standard
Password manager with storage and team collaboration
- vpn_devices
- 10
- storage_per_user
- 1 TB
- custom_email_domains
- 15
- 1 TB storage per user
- 15 custom email domains
- Secure personal and shared calendar
- Cloud storage and sharing
- User permissions and access management
- VPN connection for 10 devices per user
Add-ons
- Dedicated server and IP
What Proton Mail does
The capabilities that matter for email clients, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- Deployment model
- Cloud synchronization proxy
- Universal imap smtp exchange support
- ✓
- Keyboard shortcut only navigation speed
- ✗
- Split inbox AI auto categorization
- ✗
- Read receipts and open tracking
- ✗
- Snooze and scheduled send later
- ✓
- Generative AI LLM email drafting
- ✗
- Conversational chat layout view
- ✗
- Unified multi account inbox view
- ✓
- Pgp end to end encryption support
- ✓
- SOC2 type ii
- ✗
- ISO 27001
- ✓
- Pricing model
- Freemium
Platform & deployment
Independently observed- CLI
- iOS
- macOS
- Web
- Linux
- Android
- Windows
- Cloud / SaaS
Integrations (11)
Independently observed- Gmail
- Outlook
- Yahoo
- Apple Mail
- Thunderbird
- Okta
- Microsoft Entra ID
- ADFS
- Edugain
- SimpleLogin
Proton Mail alternatives
Other email clients we track, ranked by the same independent score.
- SpikeEmail reimagined as AI-assisted team collaboration combining messaging, documents, and calls in one workspacelow · 25%
- SuperhumanAI-powered productivity suite that integrates with your existing apps and workflowsmedium · 61%
- Spark MailMulti-platform email client with intelligent organization and AI-powered writing assistancelow · 43%
- Mailspringlow · 29%
- MimestreamIntegrated Gmail management tool built as a native macOS applicationlow · 26%
- Mozilla Thunderbirdlow · 27%
The Vioscale score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Proton Mail, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Price level | 80 | 0.05 | 4.2 | ✓ |
| Security posture | 55 | 0.07 | 4.0 | ✓ |
| Capabilities | 75 | 0.05 | 3.6 | ✓ |
| Reliability | 48 | 0.07 | 3.5 | ✓ |
| Pricing transparency | 25 | 0.08 | 2.1 | ✓ |
| Integrations | 31 | 0.04 | 1.3 | ✓ |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Iso 27001: Yes · Soc2 type ii: No · Pricing model: freemium · Deployment model: cloud_synchronization_proxy · Conversational chat layout view: No · Read receipts and open tracking: No | mediumsource · 2026-08-25 · 60% |
Integrations
| Attribute | Value | Evidence |
|---|---|---|
| Count | 11 | mediumsource · 2026-08-25 · 60% |
Market
| Attribute | Value | Evidence |
|---|---|---|
| Availability | HqCountry: CH · PrimaryMarkets: … · AvailabilityScope: global · AvailableCountries: … · NotAvailableCountries: … | highsource · 2026-08-25 · 75% |
Pricing
Reliability
| Attribute | Value | Evidence |
|---|---|---|
| Sla pct | 99.95 | mediumsource · 2026-08-25 · 60% |