Truecaller

You are a privacy purist, you never answer unknown calls anyway, or you use an iPhone (where the functionality is heavily crippled by iOS restrictions).

At its core, Truecaller is a crowdsourced caller identification service. When you receive a call from a number not saved in your contacts, Truecaller cross-references that number against its massive global database to identify the caller. Truecaller

No article about Truecaller is complete without addressing the elephant in the room: Because the app relies on uploading your contacts to its servers, it has faced severe criticism, lawsuits (notably in the US and India), and concerns regarding data protection. You are a privacy purist, you never answer

This deep dive explores the history, technology, controversies, and the undeniable utility of Truecaller. You are a privacy purist