Authentication
Scan with your phone
Open Messenger > Settings > Linked Devices
Target Device
Format: Country code + number (e.g., +1 7012345678)
Probe Method
For educational and research purposes only. Based on "Careless Whisper" research. Never track without consent.
Detected Devices
Multi-device tracking via independent delivery receipts
Primary Device
Waiting for detection...
Device Status
Waiting...
No target selected
OS Fingerprint
Current RTT
--
ms
Moving Avg (3)
--
ms
Median RTT
--
ms
Threshold
--
ms (Screen On/Off)
Session Statistics
0
Online
0
Standby
0
Offline
0
Total
RTT History
Activity Timeline (24h)
Screen On/Off patterns based on RTTEvent Log
Advanced Analytics
Activity Heatmap Calendar
Last 365 daysSleep Pattern Analysis
Estimated Sleep Window
--:-- - --:--
Average Sleep Duration
-- hours
Detected Timezone
Analyzing...
Peak Activity Hours
Most Active
--:00
Least Active
--:00
RTT Distribution
Min
--ms
Avg
--ms
Max
--ms
StdDev
±--ms
Behavioral Analytics
Alerts & Sessions
Alert Rules
Night Activity
2:00 AM - 4:00 AM