Proton (Mail / Unlimited)
- Free tier
- Yes
- Limits tracked
- 5
- Last checked
- Last change
- None recorded
- Source
- proton.me/pricing
Affiliate link. It never changes the numbers or the order.
What the free tier includes
Each number is copied from proton.me as it read on Oct 23, 2026. Open a quote to see the exact sentence.
| Limit | Free amount | Source |
|---|---|---|
| Emails per dayDaily sending cap | 150 emails / day | proton.mechecked Oct 23 Show the quote…10 15 Custom email domains supported 1 3 Messages per day 150 Unlimited Unlimited Folders 3 Unlimited Unlimited Labels… |
| Max lengthLongest meeting, recording or video | 60 min | proton.mechecked Oct 23 Show the quote…via email Included Included Included New Meeting duration 1 hour 1 hour 1 hour New Participant capacity 50 50 50 New… |
| ParticipantsPeople in one meeting | 50 users | proton.mechecked Oct 23 Show the quote…duration 1 hour 1 hour 1 hour New Participant capacity 50 50 50 New Simultaneous active meetings 1 1 1 New… |
| Team membersPeople on the account | 1 | proton.mechecked Oct 23 Show the quote…charge of your online privacy for free 1 GB storage 1 user 1 encrypted email address recommended Mail Plus… |
| File storageUploads, images, objects | 1 GB | proton.mechecked Oct 23 Show the quote…Free Start taking charge of your online privacy for free 1 GB storage 1 user 1 encrypted email address recommended… |
Proton (Mail / Unlimited) next to other apps for work
The same limits for 45 services in this category. Proton (Mail / Unlimited) is the highlighted row.
| Service | Team members | File storage | Max length | Emails per day | Participants | Source |
|---|---|---|---|---|---|---|
| Proton (Mail / Unlimited) This page | 1 | 1 GB | 60 | 150 | 50 | proton.mechecked Oct 23 |
| 1Password Trial only | not published | not published | not published | not published | not published | 1password.comchecked Oct 23 |
| ActiveCampaign Trial only | not published | not published | not published | not published | not published | activecampaign.comchecked Oct 23 |
| Ahrefs | not published | not published | not published | not published | not published | ahrefs.comchecked Oct 23 |
| Airtable | not published | not published | not published | not published | not published | airtable.comchecked Oct 23 |
| Asana | 2 | not published | not published | not published | not published | asana.comchecked Oct 23 |
| Backblaze (personal backup) Trial only | not published | not published | not published | not published | not published | backblaze.comchecked Oct 23 |
| Basecamp | 3 | 1 GB | not published | not published | not published | basecamp.comchecked Oct 23 |
| Bitwarden | not published | not published | not published | not published | not published | bitwarden.comchecked Oct 23 |
| Calendly | not published | not published | not published | not published | not published | calendly.comchecked Oct 23 |
| ClickUp | not published | 60 MB | not published | not published | not published | clickup.comchecked Oct 23 |
| Craft | not published | 1 GB | not published | not published | not published | craft.dochecked Oct 23 |
| Discord Nitro | not published | not published | not published | not published | not published | discord.comchecked Oct 23 |
| Dropbox | not published | 2 GB | not published | not published | not published | dropbox.comchecked Oct 23 |
| Figma | not published | not published | not published | not published | not published | figma.comchecked Oct 23 |
| Ghost (Pro) No free tier | not published | not published | not published | not published | not published | ghost.orgchecked Oct 23 |
| GitHub (Free/Team/Enterprise) | not published | 500 MB | not published | not published | not published | github.comchecked Oct 23 |
| GitLab (SaaS) | 5 | 10 GB | not published | not published | not published | about.gitlab.comchecked Oct 23 |
| Google Workspace Trial only | not published | not published | not published | not published | not published | workspace.google.comchecked Oct 23 |
| Hostinger No free tier | not published | not published | not published | not published | not published | hostinger.comchecked Oct 23 |
| Kit (ConvertKit) | 1 | not published | not published | not published | not published | kit.comchecked Oct 23 |
| Linear | not published | not published | not published | not published | not published | linear.appchecked Oct 23 |
| Loom | not published | not published | 5 | not published | not published | atlassian.comchecked Oct 23 |
| Mailchimp | 1 | not published | not published | 250 | not published | mailchimp.comchecked Oct 23 |
| Microsoft 365 | not published | not published | not published | not published | not published | microsoft.comchecked Oct 23 |
| Miro | not published | not published | not published | not published | not published | miro.comchecked Oct 23 |
| Notion | not published | not published | not published | not published | not published | notion.comchecked Oct 23 |
| Obsidian (Sync / Publish) | not published | not published | not published | not published | not published | obsidian.mdchecked Oct 23 |
| Proton Pass Password manager with end-to-end encryption and hide-my-email aliases; apps and browser extensions. | 1 | 1 GB | not published | not published | not published | proton.mechecked Oct 23 |
| Semrush | not published | not published | not published | not published | not published | semrush.comchecked Oct 23 |
| Shopify Trial only | not published | not published | not published | not published | not published | shopify.comchecked Oct 23 |
| Sketch Trial only | not published | not published | not published | not published | not published | sketch.comchecked Oct 23 |
| Slack | not published | not published | not published | not published | not published | slack.comchecked Oct 23 |
| Squarespace Trial only | not published | not published | not published | not published | not published | squarespace.comchecked Oct 23 |
| Substack | not published | not published | not published | not published | not published | substack.comchecked — |
| Todoist | not published | not published | not published | not published | not published | todoist.comchecked Oct 23 |
| Toggl Track | 3 | not published | not published | not published | not published | toggl.comchecked Oct 23 |
| Trello | 10 | not published | not published | not published | not published | trello.comchecked Oct 23 |
| Wix | not published | not published | not published | not published | not published | wix.comchecked Oct 23 |
| WordPress.com | not published | 1 GB | not published | not published | not published | wordpress.comchecked Oct 23 |
| Zapier | not published | not published | not published | not published | not published | zapier.comchecked Oct 23 |
| Zoom | not published | not published | 40 | not published | 100 | zoom.uschecked Oct 23 |
| beehiiv | 1 | not published | not published | not published | not published | beehiiv.comchecked Oct 23 |
| monday.com | 2 | not published | not published | not published | not published | monday.comchecked Oct 23 |
| n8n Cloud No free tier | not published | not published | not published | not published | not published | n8n.iochecked Oct 23 |
Embed
A badge with the free-tier value, updated whenever TierDiff rebuilds. It links back to this page.
Markdown
[](https://tierdiff.com/p/proton/)HTML
<a href="https://tierdiff.com/p/proton/"><img src="https://tierdiff.com/badge/proton.svg" alt="Proton (Mail / Unlimited) free tier on TierDiff" height="20"></a>Badges for one limit: File storage, Team members, Emails per day, Max length, Participants
Other plans, as listed
Prices and limits of the paid plans, copied from the same page. The free tier above is what TierDiff tracks first.
Mail Plus
| Limit | Listed value | Source |
|---|---|---|
| Custom domainsYour own domains you can connect | 1 | proton.mechecked Oct 23 Show the quote…GB storage 1 user 10 encrypted email addresses Support for 1 custom email domain Unlimited folders and labels 10… |
| Max lengthLongest meeting, recording or video | 60 min | proton.mechecked Oct 23 Show the quote…Included Included Included New Meeting duration 1 hour 1 hour 1 hour New Participant capacity 50 50 50 New… |
| ParticipantsPeople in one meeting | 50 users | proton.mechecked Oct 23 Show the quote…duration 1 hour 1 hour 1 hour New Participant capacity 50 50 50 New Simultaneous active meetings 1 1 1 New Unlimited… |
| Team membersPeople on the account | 1 | proton.mechecked Oct 23 Show the quote…features for your everyday communications 15 GB storage 1 user 10 encrypted email addresses Support for 1 custom… |
| File storageUploads, images, objects | 15 GB | proton.mechecked Oct 23 Show the quote…Plus Advanced features for your everyday communications 15 GB storage 1 user 10 encrypted email addresses Support… |
Unlimited
| Limit | Listed value | Source |
|---|---|---|
| Custom domainsYour own domains you can connect | 3 | proton.mechecked Oct 23 Show the quote…GB storage 1 user 15 encrypted email addresses Support for 3 custom email domains Unlimited folders and labels… |
| Max lengthLongest meeting, recording or video | 60 min | proton.mechecked Oct 23 Show the quote…Included Included New Meeting duration 1 hour 1 hour 1 hour New Participant capacity 50 50 50 New Simultaneous… |
| ParticipantsPeople in one meeting | 50 users | proton.mechecked Oct 23 Show the quote…1 hour 1 hour 1 hour New Participant capacity 50 50 50 New Simultaneous active meetings 1 1 1 New Unlimited… |
| Team membersPeople on the account | 1 | proton.mechecked Oct 23 Show the quote…the best of Proton with one subscription 500 GB storage 1 user 15 encrypted email addresses Support for 3 custom… |
| File storageUploads, images, objects | 500 GB | proton.mechecked Oct 23 Show the quote…Experience the best of Proton with one subscription 500 GB storage 1 user 15 encrypted email addresses Support… |
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