“ProtonMail offers encrypted emails, making it virtually impossible for anyone to read them except the sender and the recipient.” Wall Street Journal ProtonMail is the world’s largest encrypted email service with millions of users. The ProtonMail secure messaging app for Android brings easy*to*use email encryption to your mobile device by seamlessly integrating end*to*end PGP encryption. ProtonMail also provides a modern user interface with a full set of innovative features such as customizable swipe gestures and the ability to send expiring emails.
Supported Android
{4.0 and UP}
Supported Android Version:-
Jelly Bean(4.1–4.3.1)- KitKat (4.4–4.4.4)- Lollipop (5.0–5.0.2) – Marshmallow (6.0 – 6.0.1) – Nougat (7.0 – 7.1.1) – Oreo (8.0-8.1) – Pie (9.0)