Truecaller operates on a server-side verification system. If the app detects that your account is accessing premium features without an active subscription (often checked via the Google Play billing API), Truecaller can permanently ban your phone number. Since your number is your account ID, this means you lose access to the service entirely on that number.

If your goal is simply to avoid paying for a Caller ID app, you can consider these high-quality, free alternatives that rival Truecaller:

: You can manually paste any phone number into the app's search bar to find the owner's registered name and location. How to Set Up Truecaller for Free

Follow these steps to get started without a paid subscription: