ProtonMail Pricing
Starting price
$3.99/month
Pricing model
Paid
Free tier
Yes
Free trial
No
Plans
| Plan | Price | Billing | Notes |
|---|---|---|---|
| Free | $0 | month | 1GB storage; 1 email address; 150 messages/day |
| Mail Plus | $3.99 | month | 15GB storage; 10 addresses; Unlimited messages |
| Proton Unlimited | $9.99 | month | 500GB storage; All Proton apps; 15 addresses |
| Business | $12.99 | month | All Unlimited features; Admin controls; Team management |
Figures are the vendor's published prices. Unknown values show as “—”. Price-history tracking is not yet available for this tool. Price verified 2026-10-03. Last updated 2026-10-08.
True cost
True cost calculator
| Plan | Listed | Seat basis | Monthly · 5 seats | Annual · 5 seats |
|---|---|---|---|---|
| Free | $0/month | flat | $0 | $0 |
| Mail Plus | $3.99/month | flat | $4 | $48 |
| Proton Unlimited | $9.99/month | flat | $10 | $120 |
| Business | $12.99/month | flat | $13 | $156 |
Estimate from published prices. Per-seat plans scale with seats; flat plans don't; plans with included seats charge the base until you exceed them, then add the per-seat overage where published. Monthly/annual come from each plan's billing period. Taxes and add-ons excluded.
ProtonMail's starting price ($3.99) is 96% below the Email & Messaging Marketing average of $91.
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