Inboxed vs. Proton Mail
Proton Mail is the gold standard for encrypted email. But encryption alone isn't intelligence. Inboxed adds local AI to the privacy-first equation.
| Feature | Proton Mail | Inboxed |
|---|---|---|
| AI Features | ✕ None (privacy trade-off) | ✓ Local LLM (Apple MLX) |
| Encryption | ✓ End-to-end (server) | ⊕ On-device only |
| Cost | Free / $48/year (Plus) | ⚡ Free (Pro: $1 lifetime) |
| Email Provider | ✕ Proton-only address | ✓ Any IMAP account |
| App Type | Web + Bridge app | ✓ Native macOS (Rust) |
| Smart Features | Basic filters | ✓ AI summaries + smart reply |
Privacy + Intelligence.
Proton Mail made email private. But it explicitly avoids AI features because they can't do them without reading your emails on their servers.
Inboxed solves this paradox: AI that runs entirely on your Mac. Your emails never leave your device, but you still get summaries, smart replies, and semantic search.
Bottom Line
Proton Mail is the gold standard for encrypted email privacy: end-to-end encryption by default, zero-access architecture meaning even Proton can't read your messages, Swiss jurisdiction, and a no-scanning policy that extends to AI. If email privacy in the strongest technical sense is your primary requirement, Proton Mail is the correct choice — not Inboxed, not anything else. The trade-off is that end-to-end encryption only works when both parties use compatible encryption, the interface is web and mobile-first rather than native macOS, AI features are limited to the privacy-preserving Proton Scribe assistant, and the free tier is quite restrictive. Inboxed and Proton Mail solve different problems; they can actually be used together.
Frequently Asked Questions
Can I use Inboxed with my Proton Mail account?
Standard Proton Mail accounts use a custom encryption architecture that isn't directly compatible with standard IMAP clients — Proton uses its own encrypted protocol. To use Proton Mail with a third-party client like Inboxed, you would need Proton Mail Bridge, a desktop app Proton provides that decrypts messages locally and presents a standard IMAP interface to other applications. Bridge is only available on Proton Mail paid plans (starting at $3.99/month for Mail Plus). Using Bridge with Inboxed is technically feasible but adds setup complexity, and the end-to-end encryption guarantee is weakened since decrypted content exists in the local IMAP layer.
Does Proton Mail have AI features, and how do they compare to Inboxed's?
Proton Mail offers Proton Scribe, a privacy-preserving AI assistant for drafting and proofreading messages. Proton Scribe runs on Proton's servers but with a zero-access design — the company states message content processed by Scribe is not used to train models or analyzed beyond the immediate task. This is meaningful, but still cloud-side AI processing. Proton Sentinel adds AI-assisted account security monitoring for high-value targets. Neither feature approaches the breadth of Inboxed's local AI triage, which includes semantic inbox search, thread summarization, and priority scoring — all running entirely on-device using Apple MLX with no server involvement.
Who should use Proton Mail versus who should use Inboxed?
Proton Mail is the right choice for journalists, activists, lawyers, and anyone whose threat model includes government-level adversaries or potential legal compulsion to disclose email content. Its end-to-end encryption and Swiss jurisdiction provide protections that no IMAP-based client, including Inboxed, can replicate. Inboxed is better suited for professionals who want fast, AI-assisted email management with strong on-device privacy but whose threat model doesn't require end-to-end encrypted email transport. The two tools address different points in the privacy spectrum — Proton Mail protects content from your email provider itself; Inboxed ensures AI processing doesn't add a new data point.