Side by side
GMX Mail vs Proton Mail
Both stand on personal email services. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidExtensioniPhone+1
GMX Mail combines a large mailbox with aliases, account collection, and companion tools at no listed cost. Consider its non-ad-free inbox and the separate browser extension requirement for OpenPGP encryption.
Visit GMX Mail
Free plan WebWindowsMac+3
Proton Mail offers encrypted email with a free tier and a set of privacy and organization features. Check the free storage detail and confirm current paid pricing before deciding which plan fits.
Visit Proton MailThe facts
| GMX Mail | Proton Mail | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Android, Extension, iPhone, Web | Web, Windows, Mac, Linux, iPhone, Android |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 1 | 4 |
| Maker | GMX Mail | Proton Mail |
| Website | gmx.com | proton.me |
| On personal email services | #4 of 115 | #1 of 115 |
GMX Mail: what it does well
- 65 GB of email storage per account.
- Supports attachments up to 50 MB.
- Up to 10 aliases and 10 collected accounts.
- Includes 2 GB of cloud storage.
- Mobile app supports multiple accounts.
What to know first
- Inbox is not ad-free.
- Cloud storage is limited to 2 GB.
- OpenPGP encryption requires a browser extension.
Proton Mail: what it does well
- Free plan lists 1 GB storage and one email address.
- Uses end-to-end and zero-access encryption.
- Blocks email trackers and includes phishing protection.
- Easy Switch imports email, calendars, and contacts.
- Paid plans support IMAP and SMTP through Bridge.
What to know first
- FAQ says free storage starts at 500 MB.
- Free plan includes one email address.
- Paid plan prices are not listed here.
- Desktop app trial lasts 14 days.
Alternatives to GMX Mail Alternatives to Proton Mail The whole list