Whether Truecaller is "safe" is one of those questions that doesn't have a simple yes or no answer because it really depends on what you value more: the convenience of identifying spam calls or your personal data privacy. I've used it myself, and it definitely works well for what it's built to do, but there are some trade-offs you should keep in mind.
On the positive side, it is incredibly effective at identifying unknown numbers and blocking spam. If you deal with a lot of telemarketing calls or scams, it is a huge relief to see a "Spam" warning pop up before you even pick up the phone. It relies on a massive community of users who report these numbers, which makes its spam-blocking technology pretty robust and accurate. Plus, it has some handy extra features like call recording and messaging, which many people find useful in their daily lives.
However, from a privacy perspective, there are some valid concerns. To function properly, the app asks for broad permissions, including access to your contacts, call logs, and SMS. The app essentially functions by creating a massive database of names and phone numbers shared by its users, which means your own contact information might end up in their system if one of your friends uses the app and grants it access to their contact list. While the company has implemented various security measures to protect this data, the reality is that you are participating in a large-scale data-sharing ecosystem just by installing it.
Ultimately, it comes down to your personal comfort level. If you are tired of spam and don't mind the data-sharing aspect, it is a very functional tool. But if you are someone who is very strict about your privacy and prefers to keep your data off any third-party servers, you might feel more comfortable skipping it or using a more privacy-focused alternative. It is always a good idea to check your app permissions regularly and stay updated on the latest security settings to make sure you are only sharing what you are truly comfortable with.
Also read: Before making a telephone call, do you ever rehearse what you are going to say?
