Aster Mail
9.2#1 in email providersFrom $2.42 a monthFree planAndroidiOSWebLinux
VisitAster Mail vs Tuta Mail
What both publish
| Fact | Aster Mail | Tuta Mail |
|---|---|---|
| Custom domain | Yes | Yes |
| Email aliases | 15 | 15 |
| Encrypted calendar | No | Tuta calendars and their notifications are encrypted. |
| End-to-end encryption | Yes | Tuta encrypts mailbox data end to end and says it has zero access to the mailbox. |
| Founded | 2026 | 2011 |
| Free plan | Yes | Yes |
| Free storage | The free plan includes 10 GB of encrypted storage. | The free plan includes 1 GB of storage. |
| Headquarters | Orlando, Florida, United States | Hanover, Germany |
| Mailbox storage | 50 | 20 |
| Mail protocol support | bridge | none |
| Quantum-safe encryption | Mail between Aster accounts uses hybrid post-quantum encryption. | Tuta uses quantum-resistant or post-quantum cryptography. |
| Supported platforms | Aster supports web, desktop, Android, and an iOS beta on TestFlight. | Apps are available for Android, iOS, Windows, macOS, and Linux, plus browser access. |
Aster Mail plans
- FreeFree
- Star$2.42 a month
- Nova$7.25 a month
- Supernova$14.50 a month
Tuta Mail plans
- FreeFree
- Revolutionary€3 a month
- Legend€8 a month
Pick Aster Mail if…
Aster Mail may suit people seeking an open-source email service with encrypted mail between Aster accounts and desktop mail app access. It also has import options for users moving from named providers or other IMAP services.
Pick Tuta Mail if…
Tuta Mail suits people seeking encrypted email and calendar access across desktop and mobile platforms. Its paid plans may suit users who need custom domains, additional storage, or family features.