Compare Proton Mail and Tutanota free tiers side by side. Pricing, limits, change history, and risk assessment for developers.

Proton Mail vs Tutanota

Side-by-side free tier comparison. Catalogue dates here run to 2026-09-22.

2 other consumer email options →

Verdict

Both Proton Mail and Tutanota offer free tiers. Proton Mail provides "Free" while Tutanota offers "Free". Tutanota has a more stable pricing history (0 recorded changes vs 1).

A verdict here is not a fixed property of the vendor. A one-off pricing event demotes a vendor while its recorded date falls in the last 180 days and then lapses on its own, with nothing about the vendor having changed; a standing condition — a free tier withdrawn, a product retired — does not lapse with time. A badge carrying a date states the record it rests on; a badge with no date rests on no record in force.

Proton Mail

CategoryConsumer Email
TierFree
Verified2026-09-22
Last read2026-09-22
Changes1 recorded
Proton Free offers 500 MB storage (expandable to 1 GB), 1 user, and 1 encrypted email address.

Tutanota

Riskstable
CategoryConsumer Email
TierFree
Verified2026-09-22
Last read2026-09-22
Changes0 recorded
1 GB storage. End-to-end encrypted (email, calendar, contacts). 1 Tuta.com address. No custom domains, no aliases, no auto-reply, no inbox rules on free. German privacy jurisdiction. Open-source.

Pricing Change History

Proton Mail

reduced discovered 2026-09-05 · effective date unknown medium impact
The free tier now offers 500MB of storage, expandable to 1GB by completing a checklist. Previously 1GB. Source ↗

Tutanota

No recorded pricing changes for Tutanota.

Watch Both Vendors for Pricing Changes

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.

curl https://agentdeals.dev/api/changes?vendor=Proton%20Mail curl https://agentdeals.dev/pricing-changes/feed.xml?vendor=Proton%20Mail curl https://agentdeals.dev/api/changes?vendor=Tutanota curl https://agentdeals.dev/pricing-changes/feed.xml?vendor=Tutanota

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