Spark Mail alternatives

The best alternatives to Spark Mail are Superhuman, Shortwave, Canary Mail and Microsoft 365 Copilot (Outlook). Each is an AI tool with a distinct edge — pricing, output quality, or workflow — detailed below and reviewed on Stork.

• Superhuman

  Superhuman is a premium, keyboard-first email client designed for extreme speed and productivity, integrating advanced AI for drafting, summarization, and inbox management.

• Shortwave

  Shortwave is an AI-native email client built on top of Gmail, excelling in AI search, thread summarization, and contextually aware writing assistance.

• Canary Mail

  Canary Mail emphasizes privacy and security with on-device AI processing and end-to-end encryption, alongside AI features for drafting, summarization, and smart inbox management.

• Microsoft 365 Copilot (Outlook)

  Microsoft 365 Copilot deeply integrates AI capabilities directly into the Outlook client, offering drafting, summarization, and scheduling assistance within the Microsoft ecosystem.