No. Authorization works through OAuth 2.0, which means that you authenticate with Google directly, and then Google gives Unattach a token, which gives it temporary permissions to your account.
You sign in with your Google account. The app downloads the selected emails to your computer, removes attachments from the local copies, inserts these copies into your inbox, and then removes the original emails from your inbox.
The tutorial video shows the steps in practice.
Yes, you can easily use it with multiple Google accounts. Simply sign out of the current account (Account menu > Sign out), and sign back in using a different account.
Note that settings are saved per every operating system (OS) account, in
.unattach.properties of your OS account's home directory.
Yes. As part of the verification process with Google, we provided information about how the app works and its source code, and Google approved the application.
Unattach is operating on a relatively low budget, and cannot afford an expensive marketing campaign. The app's ranking is slowly increasing on Google search results.