Companion app, Saaya
Saaya catches scam calls in the moment a banking app opens.
A small Android companion for the parent's phone. It listens for the dangerous window in a phone scam — an unknown caller on the line while a banking, UPI or remote-access app is opened — and steps in before money moves.
On-device only. No cloud. No account. Saved contacts are always skipped.
The moment nobody else is watching.
Every other scam defense focuses on identifying the caller before the phone is picked up — caller ID, spam labels, voice AI. None of them watch what happens after.
The dangerous moment in a phone scam is not the ring. It's when the victim opens a banking app while still on the call. That's the window where transfers happen. Saaya watches that window.
When it triggers, three things happen at once.
A full-screen red warning
Hard to miss, with a 30-second countdown before it can be dismissed — so there's time to think.
Voice alert in your language
On speaker. Snaps them out of the call.
An SMS to the guardian — you
Sent instantly from the parent's own SIM. No internet, no account, no delay.
What it watches for.
Saaya has a built-in list of high-risk apps. Opening any of these while on an unknown call triggers the warning.
UPI apps
Google Pay, Paytm, PhonePe, Amazon Pay, BHIM
Banking apps
SBI, HDFC, ICICI, Axis, Kotak
Remote access
AnyDesk, TeamViewer, Mobizen — highest risk for digital arrest scams
Open source · Android 8.0+
Get Saaya.
Download the APK and install it on your parent's phone.
Setup takes 5 minutes — grant permissions, enter your number, tap Start.
Protect your parents from scam calls.
Free · Open source · Android 8.0+