Nuncio vs HEY Mail
Why pay $99/year for a closed email lock-in when Nuncio gives you NSQL rules, local data ownership, 4 unified interfaces, and WORM cryptographic audits 100% free?
$0 vs $99/Year Lock-In
Nuncio works with all your existing IMAP, JMAP, Gmail, and iCloud accounts for free. HEY forces a $99/year custom email subscription.
Local SQLite vs Proprietary Cloud
Your data stays on your machine in standard SQLite format. HEY locks your emails inside their custom cloud infrastructure.
NSQL Server-Side Engine
Write declarative SQL automation rules (WHEN/THEN) instead of basic drag-and-drop screening.
4 Unified Interfaces
Enjoy equal parity across desktop GUI, Vim Ratatui Terminal TUI, POSIX CLI, and Model Context Protocol (MCP) AI agents.
Why Power Users & Developers Are Choosing Nuncio
HEY introduced opinionated email workflows, but forces users into a $99/year cloud subscription and custom email addresses. Nuncio brings powerful workflow screening and NSQL automation to all your existing email addresses while keeping 100% of your data locally encrypted on your disk.
Detailed Capability Matrix
Direct technical breakdown comparing Nuncio against HEY Mail.
| Capability / Dimension | Nuncio | HEY Mail |
|---|---|---|
| Pricing & Lock-In | 100% Free & Open Source | $99/year Subscription |
| Protocol Support | IMAP, JMAP, Gmail, SMTP, CalDAV | HEY Cloud Only |
| Local Data Ownership | 100% Local SQLite WAL | HEY Cloud Servers |
| Terminal TUI Interface | Yes | No |
| POSIX Scriptable CLI | Yes | No |
| AI Model Context Protocol (MCP) | Yes | No |
| WORM Cryptographic Audits | Yes | No |
| Universal Portable Export | MBOX, ZIP, JSON, JSONL | MBOX Export Only |
| Database Self-Healing | Yes | No |
Experience Sovereign Communication Today
No credit card required. 100% Free and Open Source under MIT / Apache-2.0.