Does anybody know an email client for iOS that is password protected? I am looking for an email client, that when opened, asks for a password before showing email messages. Is there such an app available for iOS?
I haven't seen an app like that, but if you have a Gmail account you can use 1Password (App Store Link) to access the web interface. The 1Password app is locked by default. This would work with any email account with a webmail interface.