Time Guardian App vs PwMailExt

Time Guardian is an application that allows you to transfer your information safely and reliably over long periods of time. Imperishable, it preserves complete confidentiality and ownership of all your data. Revolutionary, this application welcomes all types of media. Therefore, your texts, videos, photos, private keys, files, virtual worlds or contracts can be introduced into your capsule. But it's only on a chosen date or condition that your loved ones will have the joy of discovering them. As you may have guessed, the application allows your important memories to endure. Thanks to it, your stories are passed down from generation to generation. To ensure the security of stored information, the Time Guardian application encrypts everything. The latter authorizes access to your files only through passwords and decryption keys. A 100% secure Time Capsule! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

This is an email encryption app that works as an "App Extension". Since it uses a common key encryption method, no complicated steps are required to get started. By installing it on both sides, you can easily exchange encrypted emails. There is also an macOS version. The macOS version works as an extension of Mail.app.