MailCopilot vs Spike
MailCopilot
mailcopilot.io
Spike
spikenow.comSide by side
| Figure | MailCopilot | Spike |
|---|---|---|
| Price from | Free | $4/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | — | Yes |
| Windows | Yes | Yes |
| macOS | Yes | Yes |
| Linux | Yes | — |
| iOS | — | Yes |
| Android | — | Yes |
| Plans published | 1 | 12 |
| Spec score · AI Email Assistants | 8.2 (#13) | 8.3 (#12) |
| Spec score · Email clients | 8.3 (#43) | 9.0 (#10) |
| AI features | Its AI features include email triage, smart replies, thread summaries, attachment reading, web search, and persistent memory. | Spike AI can generate messages and replies, summarize conversations, and provide an AI assistant; the free tiers list 10 queries for several AI features. |
| App coverage | desktop | all |
| Calendar tools | Yes | Yes |
| Free plan | Yes | Yes |
| Integrations | MailCopilot supports MCP client connections to tools such as Obsidian, task managers, and calendars, and can expose email tools to external agents. | Spike supports Google Drive, Dropbox, and OneDrive for cloud attachments, and its calendar feature names Google Calendar, Outlook, and Apple Calendar. |
| Product | MailCopilot is an AI-native desktop email client for managing email. | 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 site says credentials are secured through the OS keychain, HTML email is sandboxed and sanitized, and TLS certificate pinning is supported. | Spike says message data is encrypted with AES-256 using a per-message private key and that it has periodic external security audits. |
| Scheduled sending | Yes | Yes |
| Support | The site links to a Telegram channel and GitHub repository for community contact and project information. | 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 |
Plans
Spike
- StarterFree
- Team$4 a month
- Business$8 a month
- FreeFree
- Pro$6 a month
- Ultimate$12 a month
- Email App FreeFree
- Teamspace StarterFree
- Teamspace Team$4 a month
- Email App Pro$6 a month
In their own words
MailCopilot
MailCopilot has no write-up on Specifiction yet; its figures are above.
Spike
Spike combines email, calls, notes, tasks, and to-dos in a single hub, and presents email threads as chat-like conversations. It has a unified inbox, scheduled sending, and calendar tools, and runs on Android, iOS, macOS, web, and Windows. Spike AI can draft messages and replies, summarize conversations, and provide an assistant; free tiers list 10 queries for several AI features. Teamspace adds channels, shared inboxes, groups, collaborative documents and tasks, and audio and video meetings. Spike works with existing accounts such as Gmail, Office 365 or Outlook, Exchange, iCloud, Yahoo, and other IMAP accounts. Cloud attachments can use Google Drive, Dropbox, or OneDrive, and calendars can connect with Google Calendar, Outlook, and Apple Calendar. Spike says it encrypts messages with AES-256 using a per-message private key, and undergoes periodic external security audits. The Email App Free plan includes one address, 60 days of search history, 1 GB storage, and 30 MB file uploads. Email App Pro is $6 a month billed annually; Ultimate is $12 a month billed annually.