DU Caller vs mails.wtf
A side-by-side look at DU Caller and mails.wtf. For an in-depth review of either product, follow the links below.
DU Caller
Security & Privacy
DU Caller is a free app that helps identify and block spam calls. It has a community-driven spam call database and can automatically block known spam numbers.
spam-call-blockingcall-identificationcommunity-reports
mails.wtf
Online Services
mails.wtf is an open-source, privacy-focused email service. It features end-to-end encryption and aims to provide a secure alternative to services like Gmail.
opensourceprivacyencryptionsecureemail
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