Kanmail
7.4#32 in email clients$49 one-timeFree planLinuxmacOSWindows
VisitKanmail vs Spike
What both publish
| Fact | Kanmail | Spike |
|---|---|---|
| App coverage | desktop | all |
| Email providers | The site lists Gmail, Outlook, iCloud, Yahoo, Fastmail and Proton Mail as supported accounts. | Spike says it works with existing email accounts including Gmail, Office 365 or Outlook, Exchange, iCloud, Yahoo, and other IMAP accounts. |
| Free plan | No | Yes |
| Privacy | The maker says email content and credentials remain on users' devices and are not transmitted to external services. | Spike says it is ad-free and does not rent, sell, distribute, or monetize user data, while non-personal data may be used to improve its service. |
| Product | Kanmail turns email into a kanban board, with accounts in one view and emails as movable cards. | Spike describes itself as an AI-powered inbox that brings email, calls, notes, tasks, and to-dos into one hub and turns email threads into chat-like conversations. |
| Security | The maker says sensitive Google user data is encrypted in transit using TLS and stored locally on the device. | Spike says message data is encrypted with AES-256 using a per-message private key and that it has periodic external security audits. |
| Support | The support page directs users to documentation, GitHub issues, or email support at [email protected]. | The pricing page lists standard support for Starter, priority support for Team and Pro, and VIP support for Business and Ultimate. |
| Unified inbox | Yes | Yes |
Kanmail plans
- Evaluate—
- Free evaluationFree
- Personal$49, paid once
- Business—
Spike plans
- StarterFree
- Team$4 a month
- Business$8 a month
- FreeFree
- Pro$6 a month
- Ultimate$12 a month
Pick Kanmail if…
You want what its maker publishes above — check its page for the details.
Pick Spike if…
Spike may suit people or teams looking to bring email, scheduled messages, and calendar tools together across desktop and mobile platforms. Its plans cover different email, storage, team, and file-upload needs.