Proton Mail Plus
The Proton Mail Plus plan costs $3.99 per month, billed every 12 months ($47.88); $4.99 billed monthly.
What the plan includes
1 user with 10 addresses, 15 GB of storage, 1 custom domain, unlimited folders, labels and filters, and Bridge for IMAP/SMTP clients.
As stated on proton.meThe plans either side of it
- Proton Free$0one below
1 address, up to 1 GB of mail storage, 150 sent messages a day, the Easy Switch import tool and 3 calendars.
- Proton Unlimited$9.99 per month, billed every 12 months ($119.88)one above
500 GB of storage, 15 addresses and 3 custom domains, bundled with Proton's VPN, password manager and cloud storage.
What else costs about this much
| Tool | Starts at | Free plan |
|---|---|---|
| Kiwi for Gmail | $4 a month | No |
| Mailbutler | $4 a month | Yes |
| Spike | $4 a month | Yes |
| eM Client | $4.16 a month | Yes |
| Mimestream | $4.17 a month | No |
| ImprovMX | $4.17 a month | Yes |
Each tool’s own starting price, within a quarter of what this plan costs. A starting price is not the same plan, so read what each one includes before weighing them against each other.
Proton Mail Plus questions
How much is the Proton Mail Plus plan?
The Proton Mail Plus plan costs $3.99 per month, billed every 12 months ($47.88); $4.99 billed monthly. 1 user with 10 addresses, 15 GB of storage, 1 custom domain, unlimited folders, labels and filters, and Bridge for IMAP/SMTP clients.
What is the difference between Proton Mail Proton Free and Mail Plus?
Proton Free costs $0 and gives you 1 address, up to 1 GB of mail storage, 150 sent messages a day, the Easy Switch import tool and 3 calendars. Mail Plus costs $3.99 per month, billed every 12 months ($47.88); $4.99 billed monthly and gives you 1 user with 10 addresses, 15 GB of storage, 1 custom domain, unlimited folders, labels and filters, and Bridge for IMAP/SMTP clients.
Is it worth moving from Mail Plus to Proton Unlimited?
That depends on what you need. Proton Unlimited costs $9.99 per month, billed every 12 months ($119.88) and adds 500 GB of storage, 15 addresses and 3 custom domains, bundled with Proton's VPN, password manager and cloud storage. The listing is what each plan states; neither plan is graded on its own.
Does Proton Mail have a free plan or a trial?
Yes. Proton Free: 1 email address, up to 1 GB of mail storage (500 MB until the setup steps are completed), a limit of 150 sent messages a day and 3 personal calendars.
When was this checked?
Oct 4, 2026, against https://proton.me/mail/pricing. Vendors change prices and plans without notice, so confirm on their site before you buy.