# Mailspring vs Spark Mail

| Attribute | Mailspring | Spark Mail |
|---|---|---|
| **Vioscale score** | 66.3 (29% (low)) | 70.5 (43% (low)) |
| activity.commits_last_30d | 38 | - |
| adoption.github_stars | 17,762 | - |
| deployment.options | - | `{"cloud":true}` |
| description.long | A lightweight desktop application for Mac, Windows, and Linux that brings together multiple email accounts from different providers into one unified inbox. Core features run locally on your computer, with optional paid features for message tracking, scheduling, and productivity analytics. | 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 | `{"pricing_model":"freemium","deployment_model":"local_direct_imap_client","read_receipts_and_open_tracking":true,"snooze_and_scheduled_send_later":true,"unified_multi_account_inbox_view":true,"universal_imap_smtp_exchange_support":true}` | - |
| integrations.count | 7 | 31 |
| integrations.list | `[{"name":"Gmail"},{"name":"iCloud"},{"name":"Office 365"},{"name":"FastMail"},{"name":"Outlook.com"},{"name":"Yahoo!"},{"name":"IMAP"},{"name":"SMTP"}]` | `[{"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"}]` |
| language.primary | JavaScript | - |
| license.spdx | GPL-3.0 | - |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":["US"],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"mac":true,"linux":true,"windows":true}` | `{"ios":true,"mac":true,"android":true,"windows":true}` |
| pricing | `{"type":"freemium","plans":[{"free":true,"name":"Free","features":["Multi-account support","Unified inbox","Snooze","Send later","Mail rules","Templates","Grammar and spell checking","Translation support","Follow-up reminders"],"description":"Multi-account email client with unified inbox, local sync, and productivity features","contactSales":false},{"free":false,"name":"Pro","summary":"$8/month","features":["Read receipts","Link tracking","Unlimited snooze and send later","Mailbox analytics","Contact and company profiles"],"components":[{"kind":"fixed","amount":8,"period":"month","currency":"USD"}],"description":"Adds message tracking and unlimited scheduling features","contactSales":false}],"summary":"Free tier available; Pro at $8/month","currency":"USD","freeTier":true,"sourceUrl":"https://getmailspring.com","retrievedAt":"2026-08-21T12:46:43.649Z","startingPrice":{"amount":8,"period":"month","currency":"USD"},"billingPeriods":["month"]}` | `{"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 | commercial | freemium |
| pricing.price_level | low | low |
| pricing.starting_price | `{"amount":8,"currency":"USD"}` | `{"amount":10,"currency":"USD"}` |
| pricing.transparent | yes | yes |
| release.cadence_days | 15 | - |
| release.history | `[{"url":"https://github.com/Foundry376/Mailspring/releases/tag/1.23.0","date":"2026-07-22T03:45:22Z","type":"stable","version":"1.23.0"},{"url":"https://github.com/Foundry376/Mailspring/releases/tag/1.22.0","date":"2026-06-13T20:30:13Z","type":"stable","version":"1.22.0"},{"url":"https://github.com/Foundry376/Mailspring/releases/tag/1.21.1","date":"2026-05-20T20:31:26Z","type":"stable","version":"1.21.1"},{"url":"https://github.com/Foundry376/Mailspring/releases/tag/1.21.0","date":"2026-05-06T13:40:43Z","type":"stable","version":"1.21.0"},{"url":"https://github.com/Foundry376/Mailspring/releases/tag/1.20.1","date":"2026-04-20T16:07:46Z","type":"stable","version":"1.20.1"},{"url":"https://github.com/Foundry376/Mailspring/releases/tag/1.20.0","date":"2026-04-19T03:40:03Z","type":"stable","version":"1.20.0"},{"url":"https://github.com/Foundry376/Mailspring/releases/tag/1.19.1","date":"2026-04-07T01:34:03Z","type":"stable","version":"1.19.1"},{"url":"https://github.com/Foundry376/Mailspring/releases/tag/1.19.0","date":"2026-03-10T04:46:53Z","type":"stable","version":"1.19.0"},{"url":"https://github.com/Foundry376/Mailspring/releases/tag/1.18.0","date":"2026-02-23T14:40:58Z","type":"stable","version":"1.18.0"},{"url":"https://github.com/Foundry376/Mailspring/releases/tag/1.17.4","date":"2026-02-11T16:59:03Z","type":"stable","version":"1.17.4"},{"url":"https://github.com/Foundry376/Mailspring/releases/tag/1.17.3","date":"2026-01-31T20:21:11Z","type":"stable","version":"1.17.3"},{"url":"https://github.com/Foundry376/Mailspring/releases/tag/1.17.2","date":"2026-01-24T21:09:28Z","type":"stable","version":"1.17.2"},{"url":"https://github.com/Foundry376/Mailspring/releases/tag/1.17.1","date":"2026-01-15T20:55:25Z","type":"stable","version":"1.17.1"},{"url":"https://github.com/Foundry376/Mailspring/releases/tag/1.17.0","date":"2026-01-14T22:33:16Z","type":"stable","version":"1.17.0"},{"url":"https://github.com/Foundry376/Mailspring/releases/tag/1.16.0","date":"2025-07-16T14:29:44Z","type":"stable","version":"1.16.0"},{"url":"https://github.com/Foundry376/Mailspring/releases/tag/1.15.1","date":"2025-01-27T00:52:05Z","type":"stable","version":"1.15.1"},{"url":"https://github.com/Foundry376/Mailspring/releases/tag/1.15.0","date":"2025-01-02T15:25:00Z","type":"stable","version":"1.15.0"},{"url":"https://github.com/Foundry376/Mailspring/releases/tag/1.14.0","date":"2024-09-15T00:35:52Z","type":"stable","version":"1.14.0"},{"url":"https://github.com/Foundry376/Mailspring/releases/tag/1.13.3","date":"2024-01-08T19:59:00Z","type":"stable","version":"1.13.3"},{"url":"https://github.com/Foundry376/Mailspring/releases/tag/1.13.2","date":"2023-12-11T02:31:01Z","type":"stable","version":"1.13.2"}]` | - |
| security.gdpr | - | yes |
| security.soc2 | - | yes |

## Capabilities (Email Clients)

| Capability | Mailspring | Spark Mail |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Deployment model | Local direct imap client | - |
| 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 2026-09-01T17:17:08.584Z. "-" = undocumented, not absent.*