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Interactive Team Savings Calculator
Adjust your team size to estimate monthly and annual cost differences.
Note: Pricing calculates base published tiers with per-seat adjustments where applicable.
Direct Feature Comparison
Detailed side-by-side capabilities and infrastructure support.
| Feature Specification | Roundcube | Mailspring |
|---|---|---|
| Flat-Rate Small Business Pricing pricing | Supported No per-seat enterprise lock-in | Supported No per-seat enterprise lock-in |
| Full API & Webhooks developer | Supported Open API & webhooks | Supported Open API & webhooks |
| Self-Hostable / Open Source infrastructure | Supported Open Source (GPL-3) self-hostable | Supported Open Source (GPL-3) self-hostable |
Verified Pricing Breakdown
Official published tiers for Roundcube and Mailspring.
Roundcube Plans Verified
Open Source / Self-Hosted
monthly
Managed Cloud Pro
monthly
Mailspring Plans Verified
Open Source / Self-Hosted
monthly
Managed Cloud Pro
monthly
Frequently Asked Questions
Key differences and migration facts small business owners and founders ask about.
What is the main difference between Roundcube and Mailspring?
Roundcube is an independent, agility-focused tool that emphasizes "Alternative to Gmail, Microsoft Outlook — PHP-based webmail client with MIME support, address book, folder management, t", whereas Mailspring is an agile indie solution designed around "Alternative to Apple Mail, Microsoft Outlook, Spark Mail — Desktop email client for Mac, Windows, and Linux with unified".
Which is more affordable: Roundcube or Mailspring?
Pricing depends on your team structure. Roundcube offers pricing starting at $0, while Mailspring starts at $0. For small businesses and growing teams, agile tools typically reduce total expenditure by 60% to 80%.
Does Roundcube offer a free tier?
Yes, Roundcube provides a free tier or free plan for small businesses, teams, and solo founders.
Why do small businesses and SaaS founders switch from Mailspring to Roundcube?
Teams switch to Roundcube to eliminate enterprise seat bloat, gain faster workflow speed, benefit from transparent pricing without sales calls, and maintain full data ownership.
Ready to test Roundcube?
Try Roundcube today and experience why modern fast-moving founders and small businesses are leaving bloated legacy suites behind.