Mailspring vs Spike
No clear leader: Spike (62.6) and Mailspring (58.5) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.
Capabilities
Feature-by-feature on the axes that matter for email clients. “-” means undocumented, not absent.
What each one is
The product in its own terms, so the numbers below have context.
Mailspring
Mailspring is a desktop email client built as open source that runs your sync engine locally without sending credentials to remote servers. It includes core features like unified inbox, snooze, scheduled sending, and mail rules, with optional premium capabilities available through a paid subscription.
Spike
Spike combines email with team messaging features in a single platform, offering a unified inbox view across multiple accounts and calendars. It serves as a collaboration and communication tool for freelancers, entrepreneurs, and teams.
Pricing
List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.
Mailspring
Free open source core + monthly paid Pro tier
- FreeFree
- Unified Inbox
- Snooze
- Send Later
- Mail Rules
- Templates
- Mailspring Pro-
- Link tracking
- Read receipts
- Mailbox analytics
- Contact profiles
- Company profiles
Spike
Free tier available for up to 3 members. Team plans start at $4/seat/month (annual). Personal plans from $6/month.
- StarterFree
- 1 teamspace
- Free @spike.team email address
- 60 days search history
- Spike AI (10 queries)
- Standard support
- Team$4/seat/month billed annually
- Unlimited Spike AI
- Free custom domain (yearly)
- Unlimited search history
- Broadcast channels
- Shared inbox
- +2 more
- Business$8/seat/month (launching soon)
- SAML-SSO
- 500 MB file uploads
- VIP support
- Smart InboxFree
- 1 email address
- 60 days search history
- Unified calendar
- Pro$6/month
- Voice messages
- 1-click unsubscribe
- Guest collaborators
- Ultimate$12/month
- All Pro features
- 20 GB storage
- 1 GB file uploads
Platform & deployment
Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.
Integrations
What each product connects to. Counts come from the vendor's own integration directory where one exists.
Mailspring
- Gmail
- iCloud
- Office 365
- FastMail
- Outlook.com
- Yahoo!
- IMAP
- SMTP
Spike
Mailspring or Spike: which one depends on you
A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.
Free to run, no account needed to start. How the evaluation works
Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.