Proton Mail vs Autistici/Inventati

On privacy it's Proton Mail. On price it's Autistici/Inventati. On features it's Proton Mail. Here's everything side by side, last checked 23 October 2026.

Proton Mail or Autistici/Inventati: which should you choose?

Go for Proton Mail if you'd like encryption that means even the provider can't read your mail; your mailbox stored in Switzerland; and to use your own domain, like you@yourname.co.uk.
Autistici/Inventati is the better pick if you want email without paying for it and to read your mail in any app, such as Apple Mail, Outlook or Thunderbird.

Feature	Proton Mail	Autistici/Inventati
Overall	4.5	2.5
Privacy	5.0	1.5
Price	4.0	5.0
Features	4.5	2.5
Cheapest plan	Mail Plus $3.99 a month, yearly ($4.99 monthly)	Free Free (donations welcome)
Free plan	Yes, 1 GB, no own domain	Yes, by request
Storage	15 GB	Not confirmed
Your own domain	✓ 1	No
End-to-end encryption	✓ Built in	No
Company based in	Switzerland	Italy
Your data is kept in	Switzerland	Not confirmed
Founded	2014	Unknown
Free trial	Free plan; 30-day refund on paid plans	Unknown
Funded by advertising	No	No
Works in any mail app	With Proton Bridge on paid plans	✓ IMAP and SMTP
Calendar and contacts	✓ Yes	No
Aliases	10 addresses	Yes
Open-source apps	✓ Yes	No
Sign up without ID	✓ Yes	No
White label	No	Unknown
Reader offer	Offer Proton's current deals	None
Last checked	23 October 2026	22 October 2026

Want to add another? Open this in the compare tool.

How Proton Mail and Autistici/Inventati differ

Proton Mail's cheapest plan is Mail Plus ($3.99 a month, yearly ($4.99 monthly)); Autistici/Inventati's is Free (Free (donations welcome)).
Proton Mail has a free plan (1 GB, no own domain); Autistici/Inventati has a free plan (by request).
Space: Proton Mail gives 15 GB of storage, Autistici/Inventati storage not confirmed.
Your mail is stored in Switzerland with Proton Mail, and in Not confirmed with Autistici/Inventati.
The companies sit under different laws: Proton Mail in Switzerland, Autistici/Inventati in Italy.
On encryption, Proton Mail encrypts mail end to end, whereas Autistici/Inventati doesn't encrypt mail end to end.
You can use your own domain with Proton Mail, but not with Autistici/Inventati.
Mail apps: Proton Mail works in other mail apps through Proton Bridge on paid plans; Autistici/Inventati works in any mail app over IMAP.
Aliases: Proton Mail offers 10 addresses, Autistici/Inventati yes.

Questions people ask

Is Proton Mail more private than Autistici/Inventati?

Proton Mail scores 5 out of 5 for privacy and Autistici/Inventati 1.5. Proton Mail gives you encryption that means even the provider can't read your mail, your mailbox stored in Switzerland and open-source apps anyone can check.

Is Proton Mail cheaper than Autistici/Inventati?

Autistici/Inventati costs nothing to start (Free (donations welcome)). Proton Mail's cheapest plan, Mail Plus, is $3.99 a month, yearly ($4.99 monthly). Proton Mail has a free plan too: 1 GB, no own domain.