# Canary Mail vs Mozilla Thunderbird

| Attribute | Canary Mail | Mozilla Thunderbird |
|---|---|---|
| **Vioscale score** | 53.1 (43% (low)) | 60.1 (27% (low)) |
| activity.commits_last_30d | - | 100 |
| adoption.dependent_repos | - | 0 |
| adoption.github_stars | - | 13,921 |
| deployment.options | `{"cloud":true}` | - |
| description.long | Canary Mail is an email client that consolidates multiple email accounts (Gmail, Outlook, iCloud, Exchange, IMAP) into a single unified inbox across desktop and mobile devices. It emphasizes end-to-end encryption, tracker blocking, phishing protection, and optional AI features for summarization and email organization, while maintaining a privacy-first architecture where emails remain stored with the user's provider. | Thunderbird consolidates email, calendars, and contacts from multiple accounts into one interface. It runs on Windows, Mac, and Linux, is funded by user donations, and prioritizes privacy by never collecting personal data or serving advertisements. |
| features.capabilities | - | `{"pricing_model":"free_open_source","deployment_model":"local_direct_imap_client","generative_ai_llm_email_drafting":false,"unified_multi_account_inbox_view":true,"universal_imap_smtp_exchange_support":true}` |
| integrations.count | 9 | - |
| integrations.list | `[{"name":"Gmail"},{"name":"Outlook"},{"name":"iCloud"},{"name":"Exchange"},{"name":"IMAP"},{"name":"Yahoo Mail"},{"name":"AOL"},{"name":"ProtonMail"},{"name":"Office365"}]` | - |
| language.primary | - | Kotlin |
| license.spdx | - | Apache-2.0 |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"ios":true,"mac":true,"android":true,"windows":true}` | `{"mac":true,"linux":true,"windows":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":true,"name":"Free","summary":"Free forever","features":["Unified Inbox","1-Click Unsubscribe","Cross-platform support"],"minSeats":1,"components":[{"kind":"fixed","amount":0,"period":"year","currency":"USD"}],"description":"Core inbox for students and personal use","contactSales":false},{"free":false,"name":"Growth","summary":"$36/year (or lifetime purchase option available)","features":["Everything in Free","AI Copilot","App Integrations"],"minSeats":1,"commitment":"annual","components":[{"kind":"fixed","amount":36,"period":"year","currency":"USD"}],"description":"AI and productivity features","contactSales":false},{"free":false,"name":"Pro+","summary":"$100/year with 2 months free (or lifetime purchase option available)","features":["Everything in Growth","PGP Encryption","SecureSend Encryption (HIPAA)","Priority Support"],"minSeats":1,"commitment":"annual","components":[{"kind":"fixed","amount":100,"period":"year","currency":"USD"}],"description":"Advanced security and encryption","contactSales":false}],"summary":"Free tier available. Paid plans from $36/year (Growth) or $100/year (Pro+). Both also offered as one-time lifetime purchases. 7-day free trial, no credit card required.","currency":"USD","freeTier":true,"sourceUrl":"https://canarymail.io/pricing","retrievedAt":"2026-08-19T09:05:46.578Z","freeTrialDays":7,"startingPrice":{"amount":36,"period":"year","currency":"USD"},"billingPeriods":["year"]}` | `{"type":"free","summary":"Free, open-source. Free forever.","freeTier":true,"sourceUrl":"https://www.thunderbird.net","retrievedAt":"2026-08-21T12:42:28.376Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | freemium |
| pricing.price_level | mid | free |
| pricing.starting_price | `{"amount":36,"currency":"USD"}` | - |
| pricing.transparent | yes | yes |
| release.history | - | `[{"url":"https://github.com/thunderbird/thunderbird-android/releases/tag/THUNDERBIRD_22_0","date":"2026-08-11T03:59:18Z","type":"stable","version":"THUNDERBIRD_22_0"},{"url":"https://github.com/thunderbird/thunderbird-android/releases/tag/K9MAIL_22_0","date":"2026-08-11T03:59:18Z","type":"stable","version":"K9MAIL_22_0"},{"url":"https://github.com/thunderbird/thunderbird-android/releases/tag/THUNDERBIRD_23_0b1","date":"2026-08-10T22:13:14Z","type":"prerelease","version":"THUNDERBIRD_23_0b1"},{"url":"https://github.com/thunderbird/thunderbird-android/releases/tag/THUNDERBIRD_21_1","date":"2026-08-03T19:14:04Z","type":"stable","version":"THUNDERBIRD_21_1"},{"url":"https://github.com/thunderbird/thunderbird-android/releases/tag/K9MAIL_21_1","date":"2026-08-03T19:14:10Z","type":"stable","version":"K9MAIL_21_1"},{"url":"https://github.com/thunderbird/thunderbird-android/releases/tag/THUNDERBIRD_22_0b2","date":"2026-07-27T20:45:48Z","type":"prerelease","version":"THUNDERBIRD_22_0b2"},{"url":"https://github.com/thunderbird/thunderbird-android/releases/tag/THUNDERBIRD_21_0","date":"2026-07-20T21:30:00Z","type":"stable","version":"THUNDERBIRD_21_0"},{"url":"https://github.com/thunderbird/thunderbird-android/releases/tag/K9MAIL_21_0","date":"2026-07-20T21:29:55Z","type":"stable","version":"K9MAIL_21_0"},{"url":"https://github.com/thunderbird/thunderbird-android/releases/tag/THUNDERBIRD_22_0b1","date":"2026-07-20T23:20:30Z","type":"prerelease","version":"THUNDERBIRD_22_0b1"},{"url":"https://github.com/thunderbird/thunderbird-android/releases/tag/THUNDERBIRD_20_1","date":"2026-07-06T22:30:54Z","type":"stable","version":"THUNDERBIRD_20_1"},{"url":"https://github.com/thunderbird/thunderbird-android/releases/tag/K9MAIL_20_1","date":"2026-07-06T22:30:53Z","type":"stable","version":"K9MAIL_20_1"},{"url":"https://github.com/thunderbird/thunderbird-android/releases/tag/THUNDERBIRD_21_0b2","date":"2026-06-29T21:12:45Z","type":"prerelease","version":"THUNDERBIRD_21_0b2"},{"url":"https://github.com/thunderbird/thunderbird-android/releases/tag/K9MAIL_20_0","date":"2026-06-23T01:45:10Z","type":"stable","version":"K9MAIL_20_0"},{"url":"https://github.com/thunderbird/thunderbird-android/releases/tag/THUNDERBIRD_20_0","date":"2026-06-23T01:45:03Z","type":"stable","version":"THUNDERBIRD_20_0"},{"url":"https://github.com/thunderbird/thunderbird-android/releases/tag/THUNDERBIRD_21_0b1","date":"2026-06-22T17:24:23Z","type":"prerelease","version":"THUNDERBIRD_21_0b1"},{"url":"https://github.com/thunderbird/thunderbird-android/releases/tag/THUNDERBIRD_19_2","date":"2026-06-04T19:32:37Z","type":"stable","version":"THUNDERBIRD_19_2"},{"url":"https://github.com/thunderbird/thunderbird-android/releases/tag/K9MAIL_19_2","date":"2026-06-04T19:32:32Z","type":"stable","version":"K9MAIL_19_2"},{"url":"https://github.com/thunderbird/thunderbird-android/releases/tag/THUNDERBIRD_20_0b2","date":"2026-06-04T18:27:10Z","type":"prerelease","version":"THUNDERBIRD_20_0b2"},{"url":"https://github.com/thunderbird/thunderbird-android/releases/tag/THUNDERBIRD_19_1","date":"2026-06-03T22:11:56Z","type":"stable","version":"THUNDERBIRD_19_1"},{"url":"https://github.com/thunderbird/thunderbird-android/releases/tag/K9MAIL_19_1","date":"2026-06-03T22:11:55Z","type":"stable","version":"K9MAIL_19_1"}]` |
| security.gdpr | yes | - |
| security.hipaa | yes | - |
| security.scorecard | - | 7.2 |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=fdroid&package_name=com.fsck.k9&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Email Clients)

| Capability | Canary Mail | Mozilla Thunderbird |
|---|:--:|:--:|
| **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 | - | Free open source |

*Source: Vioscale. Generated 2026-09-01T17:10:03.226Z. "-" = undocumented, not absent.*