Little Notes: Offline Cipher

Little Notes is a free offline encryption utility for iPhone and iPad. Text, files, identity keys and saved history are processed on your device. No server account, ads, in-app purchases or subscriptions. EXCHANGE CONTACT CARDS A contact card contains public key material and a nickname. Exchange cards by QR code or file and compare the entire verification code with your friend. Choose the friend, encrypt text or a file, and use an app of your choice to transfer the ciphertext. Your friend imports it to decrypt locally. Keep private identity keys and backups to yourself. ENCRYPTED GROUPS Create a group and share individual encrypted invitations with verified friends. Members import their invitations to exchange group ciphertext and optionally keep local history. Groups support up to 32 members. Membership changes require a new group key; rotation protects later messages and cannot revoke…