Si4Key provides local encryption for keystrokes, ensuring input stays on the device. It includes one-tap digital signature for secure authentication. Offers offline key management for secure identity verification without internet dependency.
The app features a friendly alphabetical character array with multi-input keys for faster typing. It includes ideal key sizes, arrow keys for caret movement, and dedicated keys for German extended characters.
Type in using a customizable with themes and emojis. Switch between English and alphabets. Support for social media apps to send messages. Enable input on all compatible apps.
