How can we help? | Zentri FAQ

Safety & Emergency Activation

What if I trigger it by accident?

A 3-second countdown gives you time to cancel — but only with your PIN, so an attacker can't stop it either.

Does it work when my phone is on silent?

Yes. Zentri uses iOS Critical Alerts which bypass silent mode and Do Not Disturb.

Does it work without internet?

Yes. If data fails, SMS goes out directly from your device.

Features & Contacts

Do my contacts need the app?

No. They receive a standard SMS with a link to your live location. No app required on their end.

Privacy & Data

Will someone be able to track me without my consent?

No. Your location is only shared during emergencies when you trigger SOS — never tracked continuously.

How does Zentri protect my privacy?

We never track your location or record audio unless you trigger SOS — nothing runs in the background without your action. All evidence is encrypted and stored in your private account, and deleted automatically after 7 days (30 on Premium). Zentri fully complies with EU GDPR: your data is never sold or shared with advertisers, and you can delete your account and all data at any time.

Drills & Practice

How do SOS Drills work?

Drills let you practise activating SOS without sending any real alerts — no SMS, no calls, nothing uploaded. The app times your reaction so you can build muscle memory before you ever need it for real.

Standard Drill

Tap Start Drill, wait for the prompt, then hold the SOS button as fast as you can. Your reaction time is recorded. Aim for under 2 seconds.

Ghost Mode Drill

Ghost Mode uses a hidden trigger — a small ring near the top of the screen — instead of the main SOS button. Find it and hold for 2.5 seconds. The screen shows a calculator as a decoy so nobody nearby knows what you're doing.

Last updated: April 20, 2026

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