Side by side
Aster Mail vs Tuta Mail
Both stand on private 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 Open source AndroidiPhoneLinux+3
Aster Mail pairs a free encrypted-email tier with desktop apps, Bridge, and mailbox migration and export options. Check the free-plan limits and annual billing terms before choosing a paid tier.
Visit Aster Mail
Free plan AndroidiPhoneLinux+2
Tuta Mail pairs encrypted email with calendar features and a free starting plan. Consider its lack of mail protocol support and the annual billing terms for paid plans when choosing it.
Visit Tuta MailThe facts
| Aster Mail | Tuta Mail | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Yes | Not published |
| Runs on | Android, iPhone, Linux, Mac, Web, Windows | Android, iPhone, Linux, Mac, Windows |
| Lowest paid plan | Star: $2.42 a month | Revolutionary: €3 a month |
| Plans published | 4 | 3 |
| Maker | Aster Mail | Tuta Mail |
| Website | astermail.org | tuta.com |
| On private email services | #1 of 29 | #15 of 29 |
Aster Mail: what it does well
- Free plan includes 10 GB encrypted storage
- Free plan includes one custom domain and five aliases
- Mail between Aster accounts is end-to-end encrypted
- MBOX mailbox export is free on every plan
- Native desktop apps are available for Windows, Mac, and Linux
What to know first
- iOS app is in beta on TestFlight
- Free plan limits attachments to 25 MB per message
- Free plan includes only two mail rules
- Paid plans start at $2.42 a month, billed annually
Tuta Mail: what it does well
- Free plan includes 1 GB of storage.
- Encrypted calendar included.
- Paid plans support custom email domains.
- Desktop clients import EML or MBOX files.
- Clients are open source and auditable.
What to know first
- Mail protocol support is listed as none.
- Free plan has 1 GB storage.
- Family multi-user support requires contacting support.
- Custom domains are a paid-plan feature.
Alternatives to Aster Mail Alternatives to Tuta Mail The whole list