Yes — Proton Mail is the product AI assistants name most often for private and encrypted email.
Measured by asking ChatGPT, Gemini and Perplexity the questions buyers ask, then counting who gets named. Proton Mail appears in 1 category we track.
| Category | Rank | Named in | Share of voice | % |
|---|---|---|---|---|
| private and encrypted email | #1 | 26/30 | 87% |
A full scan asks all 10 buyer questions and returns a fix plan. Free, no account.
Counts are mentions in AI answers, not endorsements. Measured 2026-09-20. Nobody pays to appear.