Call Shield — answer the calls that matter

Call Shield filters spam and unwanted calls so your phone stops interrupting you for nothing. The filtering happens on the device itself — your call log is not shipped off to a service to be analysed.

The result is simple: fewer pointless rings, and more trust that a call coming through is worth picking up.

Frequently asked questions

Does it send my calls to a server?

No. Filtering is done privately, on your device. Your call history is exactly the kind of data that should never leave your phone, so Call Shield is built so that it doesn't.

What does it block?

Spam and unwanted calls — robocalls, telemarketing and the numbers that ring once and hang up. Regular calls ring through as usual.

Do I need an account?

No account, no sign-up, no profile.

Why am I getting so many spam calls?

Phone numbers get traded between marketing lists, leaked in breaches and dialled at random by autodialers. Once a number is on one list it spreads to others — which is why the calls never seem to stop on their own.

Will spam calls stop if I just ignore them?

Usually not. Some autodialers mark a number that rings as active and keep it in rotation. Filtering them out before the phone rings is the quieter path.

What should I do if I answer a spam call?

Hang up without pressing any keys and without confirming your name or any details. Never share codes, card numbers or personal information with an unexpected caller.

Can spammers fake their number?

Yes — spoofing local or official-looking numbers is common. That is why a caller ID alone is not enough to trust a call, and why filtering patterns matters more than blocking single numbers.

Will it block calls I actually want?

It targets spam and unwanted callers; the people you know reach you normally. The goal is fewer pointless rings, not a quieter phone at the cost of missed calls.

Does the filtering need an internet connection?

The filtering itself happens on the device, so it keeps protecting you as calls come in.

Why does spam call blocking matter?

Beyond the annoyance, spam calls are the front door for phone scams. Every filtered call is one less chance for a convincing voice to catch you at a busy moment.

More from BNJ: Call Memory · Voice Inbox · Soon · GARANT — see them all at bnj.app.

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