Proton Mail free tier includes Proton Free offers 500 MB storage (expandable to 1 GB), 1 user, and 1 encrypted email address. Catalogue date September 2026.
No rating: The only record that would rate Proton Mail is a change we could not check against an archived copy of Proton Mail's page, so we are not publishing a rating for it. It is listed below, marked. We withhold a rating because of what our own evidence does not show, so it stays withheld until a source, a retraction or a corrected record clears it. It does not expire on a clock. Full history ↓
Limits, pricing history. Catalogue date September 2026. Last updated 2026-09-22.
Proton Mail's free tier offers Proton Free offers 500 MB storage (expandable to 1 GB), 1 user, and 1 encrypted email address. The only record that would rate Proton Mail is a change we could not check against an archived copy of Proton Mail's page, so we are not publishing a rating for it.
⚠️ Pricing change: The free tier now offers 500MB of storage, expandable to 1GB by completing a checklist. Previously 1GB. Unconfirmed. We could not check this change against an archived copy of Proton Mail's page, so it does not count toward the rating.Source ↗ (discovered 2026-09-05 · effective date unknown)View in changelog →
The day we last read the vendor's page. The terms above come from our read of 2026-09-05, and we have read the page since, on 2026-09-22, without confirming them. We hold no confirmation of the terms we publish.
Free Tier Details
Proton Free offers 500 MB storage (expandable to 1 GB), 1 user, and 1 encrypted email address.
We read that on 2026-09-22 from https://proton.me/mail/pricing, and our check recorded: the page names Proton Mail as "proton mail" and states "$0.00".
When You'll Outgrow Proton Mail's Free Tier
When your usage exceeds the free tier limits, you'll need to upgrade.
The free tier now offers 500MB of storage, expandable to 1GB by completing a checklist. Previously 1GB. Unconfirmed. We could not check this change against an archived copy of Proton Mail's page, so it does not count toward the rating.Source ↗
Before: 1 GB storage. 150 messages/day send limit. 1 email address. End-to-end encrypted. Zero-access encryption. No custom domains, no filters, no auto-reply on free. Swiss privacy jurisdiction.
After: Proton Free offers 500 MB storage (expandable to 1 GB), 1 user, and 1 encrypted email address.
We do not push notifications. Every change we record is readable the moment it lands, and the JSON answer carries an ETag — send it back as If-None-Match and an unchanged answer costs one 304.
Yes, Proton Mail offers a free tier: Free. Proton Free offers 500 MB storage (expandable to 1 GB), 1 user, and 1 encrypted email address.
What is Proton Mail's free tier?
Proton Mail's free tier is called "Free". Proton Free offers 500 MB storage (expandable to 1 GB), 1 user, and 1 encrypted email address.
Is Proton Mail's free tier reliable?
The only record that would rate Proton Mail is a change we could not check against an archived copy of Proton Mail's page, so we are not publishing a rating for it.
Is Proton Mail's free tier good for production?
Proton Mail's free tier is usable for prototyping and development. The only record that would rate Proton Mail is a change we could not check against an archived copy of Proton Mail's page, so we are not publishing a rating for it.
What changed in Proton Mail's pricing?
Proton Mail has had 1 recorded pricing change. Most recently: The free tier now offers 500MB of storage, expandable to 1GB by completing a checklist. Previously 1GB. Unconfirmed. We could not check this change against an archived copy of Proton Mail's page, so it does not count toward the rating. Source: https://proton.me/mail/pricing (discovered 2026-09-05).
When will I outgrow Proton Mail's free tier?
When your usage exceeds the free tier limits, you'll need to upgrade. When you outgrow the free tier, evaluate paid plans against alternatives — sometimes a competitor's free tier covers what you need.
What category is Proton Mail in?
Proton Mail is categorized under Consumer Email on AgentDeals.