Copiosus vs Stasher Messenger

Copiosus is just another P2P chat application. This software is provided "as is" without warranties or conditions of any kind, either expressed or implied. Please download this app only if: - You care about security. - You don't care about a beautiful UI. - You like to try apps other than WhatsApp and Signal. Features: - Send messages. - Send files and images. - Block users. - Two factor authentication (MFA) - End-to-end encryption using an asymmetric key. - Improved end-to-end security using a security key as a second factor which encrypts data using a shared symmetric key. - Minimal privileges required. - No in app purchases. - No ads. How does end-to-end encryption work in this app: 1. Whenever you send a message M a random symmetric key R is generated 2. R is encrypted using the asymmetric (public) key of the other user resulting in A 3. M is encrypted with R resulting in N 4. If security key S is set: N is encrypted by S 5. N and A is sent to the destination

Stasher is a FREE messaging app that allows you to chat with your friends. You can keep your identity hidden or reveal yourself to the recipients and send messages to the future like in a time capsule. Find whoever you want, even without having a mobile number thanks to Shush, our friendly bot. WHY YOU WILL FALL IN LOVE WITH STASHER . 100% FREE: Stasher is totally free and only uses your phone’s internet connection to work. . FUTURE MESSAGES: Send messages, audios, photos and videos to whatever date in the future, like in a Time Capsule. . STAY ANONYMOUS: Send anonymous messages, audios, photos and videos and keep your identity hidden or reveal yourself to your recipients and spark new conversations. . MULTIMEDIA: Send and receive images, videos and audio messages. . INTERNAL SEARCH: Shush, our friendly bot, will help you to find the person you are searching for even if you don’t know the number or e-mail of the recipient. . INVITE YOUR FRIENDS: the more we are, the more fun we have! Invite your friends via email or SMS . ALWAYS GROWING: Stasher is young but full of ambition so stay tuned for amazing Stasher updates. Message, differently, for FREE.