Updated Aug 16, 2026 · v1.0.2
Remote activity and inactivity alerts using an Android phone.
ABOUT DAILY SIGNAL Know when something moves — and when it doesn't. Daily Signal turns an Android phone into a simple remote activity and movement monitor. Place the phone on something that is normally moved or used. Daily Signal detects movement and can send a daily activity check-in or an inactivity alert when no movement has been detected for longer than expected. Use a phone you already own, or give an old Android phone a useful new purpose. MONITOR SOMEONE LIVING INDEPENDENTLY Daily Signal can provide a simple, passive indication that someone living alone is going about their normal routine. Install it on their Android phone, or place a spare Android phone on something they normally use during the day, such as a fridge or cupboard. Normal use moves the phone and provides an activity signal — without cameras, microphones, wearable devices or anything for the person to remember to press. VEHICLES, EQUIPMENT & OBJECTS Daily Signal can also provide a simple indication that a vehicle, mobile asset, machine or other object has been moved or used. Secure the Android phone appropriately to the item you want to monitor. Movement of the item moves the phone and is recorded as activity. This can be useful when you simply need to know whether something has moved, been handled or remained inactive — without installing dedicated monitoring hardware. COMMON USES • Someone living independently • Elderly parents or relatives • Vehicles and mobile equipment • Equipment and machinery that is normally moved or handled • Doors, fridges, cupboards and containers • Remote sites and properties • Everyday routines • Repurposing an old Android phone as a remote movement sensor HOW IT WORKS Install Daily Signal on an Android phone. Choose your monitoring schedule and inactivity period. Place or use the phone where movement is expected. Daily Signal monitors movement automatically. Receive daily activity check-ins and inactivity alerts by email. FEATURES • Movement-based activity detection • Daily activity check-ins • Configurable inactivity alerts • Adjustable monitoring hours • Configurable sensitivity • Automatic background monitoring • Local activity data • No cameras or microphones • No wearable devices • No ads • No monthly subscription A SIMPLE ACTIVITY SIGNAL Daily Signal doesn't require dedicated sensor hardware. For example, place a spare Android phone securely on a frequently used fridge. Opening the fridge moves the phone and provides an activity signal. Or secure the phone appropriately to a vehicle or piece of mobile equipment to determine whether it has experienced movement. If expected movement stops for longer than the period you configure, Daily Signal can send an inactivity alert. PRIVACY WITHOUT SURVEILLANCE Sometimes you only need to know that normal activity is occurring. ✔ No cameras ✔ No microphones ✔ No video recording ✔ No audio recording ✔ Motion data stored locally IMPORTANT Daily Signal detects movement of the Android device on which it is installed. It does not detect movement elsewhere in a room. When the phone is attached to or placed on an object, movement of that object is used as the activity signal. Daily Signal does not provide GPS tracking, vehicle diagnostics, equipment condition monitoring or real-time asset tracking. Daily Signal is not an emergency service, fall detection system, security system or medical device. It should not be relied upon to detect emergencies, falls, intrusions or medical events.
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