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Have you ever wanted to send your friend an encrypted message so that no one else expect you and your friend can read it? Yes? Well, then this app is …

Math Formula Wizard – Math formulas and calculations on your Android phone or tablet. It’s free, beautiful and easy to use!Formula Wizard is the perfe …

This is the Caesar Cipher App for Android! You can use it to encrypt or decrypt any message you want with the most famous cipher: the Caesar Cipher. N …

The Beaufort Cipher is here! Invented by Sir Francis Beaufort it is very similar to the Vigenère Cipher and became famous when it was used in World Wa …