# Proton Mail vs Spark Mail

**Leader by Vioscale score:** Spark Mail

| Attribute | Proton Mail | Spark Mail |
|---|---|---|
| **Vioscale score** | 50.2 (76% (high)) | 70.5 (43% (low)) |
| deployment.options | `{"cloud":true}` | `{"cloud":true}` |
| description.long | 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. | Spark is an email application designed for individual and team use, offering smart inbox management, AI-assisted email composition, and collaboration features. It supports multiple platforms and integrates with popular productivity and communication tools. |
| features.capabilities | `{"iso_27001":true,"soc2_type_ii":false,"pricing_model":"freemium","deployment_model":"cloud_synchronization_proxy","conversational_chat_layout_view":false,"read_receipts_and_open_tracking":false,"snooze_and_scheduled_send_later":true,"generative_ai_llm_email_drafting":false,"unified_multi_account_inbox_view":true,"pgp_end_to_end_encryption_support":true,"split_inbox_ai_auto_categorization":false,"universal_imap_smtp_exchange_support":true,"keyboard_shortcut_only_navigation_speed":false}` | - |
| integrations.count | 11 | 31 |
| integrations.list | `[{"name":"Gmail"},{"name":"Outlook"},{"name":"Yahoo"},{"name":"Apple Mail"},{"name":"Thunderbird"},{"name":"Google"},{"name":"Okta"},{"name":"Microsoft Entra ID"},{"name":"ADFS"},{"name":"Edugain"},{"name":"SimpleLogin"}]` | `[{"name":"Asana"},{"name":"MeisterTask"},{"name":"TickTick"},{"name":"Todoist"},{"name":"Trello"},{"name":"2Do"},{"name":"OmniFocus"},{"name":"Reminders"},{"name":"Things"},{"name":"Evernote"},{"name":"Instapaper"},{"name":"OneNote"},{"name":"Agenda"},{"name":"Bear"},{"name":"Notion"},{"name":"Box"},{"name":"Dropbox"},{"name":"Google Drive"},{"name":"OneDrive"},{"name":"GoTo Meeting"},{"name":"Zoom"},{"name":"Google Calendar"},{"name":"Outlook"},{"name":"Microsoft Teams"},{"name":"Gmail"},{"name":"Yahoo"},{"name":"AOL"},{"name":"Exchange"},{"name":"iCloud"},{"name":"HubSpot"},{"name":"Salesforce"}]` |
| market.availability | `{"hqCountry":"CH","primaryMarkets":["EU","US","GB"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"ios":true,"mac":true,"web":true,"linux":true,"android":true,"windows":true}` | `{"ios":true,"mac":true,"android":true,"windows":true}` |
| pricing | `{"type":"freemium","plans":[{"free":false,"name":"Essential","features":["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"],"description":"Account protection for small teams","contactSales":false,"includedLimits":{"notes":"unlimited","logins":"unlimited","credit_cards":"unlimited","hide_my_email_aliases":"unlimited"}},{"free":false,"name":"Plus","features":["SSO and SCIM","Access to Proton Sentinel","File storage up to 100 MB","SIEM integration","Command line interface (CLI)","Group management for organizing users"],"description":"Advanced account protection with admin controls","contactSales":false,"includedLimits":{"file_storage":"100 MB"}},{"free":false,"name":"Workspace Standard","features":["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"],"description":"Password manager with storage and team collaboration","contactSales":false,"includedLimits":{"vpn_devices":"10","storage_per_user":"1 TB","custom_email_domains":"15"}}],"addOns":[{"name":"Dedicated server and IP"}],"currency":"USD","freeTier":true,"sourceUrl":"https://proton.me/business/pass/pricing","retrievedAt":"2026-08-25T12:07:33.063Z","freeTrialDays":14,"billingPeriods":["month","year"]}` | `{"type":"subscription","plans":[{"free":true,"name":"Free","summary":"Free","features":["Unlimited email accounts","Smart search","Smart notifications","Scheduled send","Snooze","Set aside","Mark as done","Swipe actions","Control center","Quick replies","Print emails","Dark mode","Mute threads","Templates","Third-party integrations","Link sharing"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Unlimited email accounts with core inbox management features","contactSales":false},{"free":false,"name":"Plus","summary":"$10/user/month or $120/year","features":["All Free features","Comprehensive mail productivity","Spark +AI (AI assistant)","Basic team collaboration","Custom templates","Productive integrations","5 lifetime meeting notes"],"components":[{"kind":"per_unit","unit":"user","amount":10,"period":"month","currency":"USD"},{"kind":"per_unit","unit":"user","amount":10,"period":"year","currency":"USD"}],"description":"For individuals and small teams needing email productivity tools","contactSales":false,"includedLimits":{"ai_meeting_notes":"5 lifetime"}},{"free":false,"name":"Pro","summary":"$20/user/month or $240/year","features":["All Plus features","Unlimited +AI meeting notes","Workflows","Automatic labels (coming soon)","Read status","Advanced team collaboration","HubSpot integration","Spark CLI with triage access","40 meeting notes per month"],"components":[{"kind":"per_unit","unit":"user","amount":20,"period":"month","currency":"USD"},{"kind":"per_unit","unit":"user","amount":20,"period":"year","currency":"USD"}],"description":"For professionals and teams with customer contact who need advanced features","contactSales":false,"includedLimits":{"ai_meeting_notes":"40 per month"}},{"free":false,"name":"Enterprise","summary":"Custom pricing - contact sales","features":["All Pro features","Security & control (SOC II compliance)","Dedicated customer success management","1:1 productivity coaching","Centralized billing","Team management"],"description":"For larger teams requiring enhanced security and support","contactSales":true}],"summary":"Free tier available. Plus $10/user/month, Pro $20/user/month (or annual billing). Enterprise custom pricing.","currency":"USD","freeTier":true,"sourceUrl":"https://sparkmailapp.com/de/pricing-teams","retrievedAt":"2026-08-20T14:05:07.204Z","freeTrialDays":7,"startingPrice":{"unit":"user","amount":10,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | freemium |
| pricing.price_level | low | low |
| pricing.starting_price | - | `{"amount":10,"currency":"USD"}` |
| pricing.transparent | no | yes |
| reliability.sla_pct | 99.95 | - |
| security.gdpr | yes | yes |
| security.hipaa | yes | - |
| security.iso27001 | yes | - |
| security.pci | yes | - |
| security.soc2 | - | yes |

## Capabilities (Email Clients)

| Capability | Proton Mail | Spark Mail |
|---|:--:|:--:|
| **Capabilities** |  |  |
| 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 | - |

*Source: Vioscale. Generated 2026-09-01T14:46:33.487Z. "-" = undocumented, not absent.*