J-HELP© – Man Down App for Lone Worker Safety on Android

J-HELP© is an Android man down app for lone worker safety, designed to protect isolated workers and remote staff with automatic alerts, phone calls, GPS SMS notifications, and an optional wearable SOS sensor.

J-HELP© is an Android smartphone safety app developed by G. Osti Sistemi srl to increase the safety of workers operating alone, in the field, or in isolated areas.

It detects strong impact, no movement, free fall, tilt/overturn, and low battery; after a configurable pre-alarm delay to reduce false alarms, it sends automatic calls and SMS alerts with GPS location to preset contacts.

The system can be enhanced with G6-BLE, a wearable motion sensor with Bluetooth Low Energy and an SOS button, ideal for reducing false alarms in low-mobility scenarios.

 

 

Functions and equipment

Android App
WEB-based
Cloud (saas)
Google Maps GPS
Multilanguage

Features

Main features, applications and benefits

J-HELP© is a professional solution designed for companies that need to protect staff working alone, far from colleagues, in isolated spaces, or in locations that are difficult to reach.

The purpose is straightforward: turning a standard corporate Android smartphone into a lone worker safety app capable of automatically detecting a possible emergency and activating a fast, clear, and configurable alert procedure.

This approach helps companies implement a practical risk-management solution for lone working, a topic closely linked to employer duty-of-care obligations and to the need for rapid emergency communication in the event of an accident or sudden illness.

Unlike generic solutions, J-HELP© man down app was developed in-house by G. Osti Sistemi srl to fit real operational business needs: ease of use, quick activation, automatic alarms, and support for real-world scenarios such as maintenance work, field service, technical interventions, and activity in low-supervision areas.

The main value drivers requested by the target market include automatic no-movement detection, alarm management with configurable timing, and the sending of alerts with location data, which the page presents as core elements of advanced solutions dedicated to isolated workers.

 

Main functions

  • Automatic man down detection in the event of strong impact, no movement, free fall, and tilt/overturn.
  • Low-battery monitoring of the corporate mobile phone, useful for preventing risk conditions caused by a discharged device.
  • Configurable pre-alarm delay so the operator can cancel the event and reduce false alarms.
  • Automatic outgoing calls to a configurable list of contact numbers.
  • Automatic SMS alerts with GPS location to support rapid intervention and accurate worker location in an emergency.
  • Android compatibility, with installation on corporate smartphones already in use, without the need to dedicate an exclusive device.
  • Integration with the G6-BLE sensor, a wearable accessory with integrated accelerometer and Bluetooth Low Energy connection that detects movement directly from the person, reducing false alarms in sedentary environments or when the smartphone remains still.
  • SOS button on the G6-BLE sensor for fast, immediate, and secure manual help requests.

 

Recommended applications

  • Mobile field technicians working at customer sites, substations, plants, remote sites, or outdoor locations.
  • Maintenance technicians in mechanical, electrical, electronic, and service engineering roles who work independently on machines, production lines, or infrastructure.
  • Plant operators supervising technical rooms, power stations, substations, pumping stations, or isolated environments.
  • On-call staff or workers on shifts with a low presence of colleagues.
  • Personnel working alone at customer premises, such as installers, commissioning technicians, inspectors, technical support staff, and service operators.
  • Operational workers in hard-to-reach areas, where an automatic alert with geolocation can reduce emergency response times.
  • Multi-site companies with personnel distributed across the territory that need a simple Android man down app to assign to corporate phones.

 

Benefits for the company

  • Greater protection for lone workers, thanks to an emergency procedure that can be activated automatically even when the operator is unable to call for help.
  • Faster response times, because calls and SMS messages with GPS coordinates immediately reach designated contacts.
  • Fewer false alarms through adjustable pre-alarm settings and, above all, integration with the G6-BLE sensor, based on detecting the person’s movement rather than only the smartphone’s movement.
  • Better use of existing Android corporate smartphones, enabling a more efficient investment and faster deployment.
  • Operational flexibility across many sectors: service, maintenance, utilities, facility management, industry, plant engineering, technical assistance, and field operations.
  • Higher reliability in low-mobility contexts, where the wearable sensor makes the J-HELP© man down system even more accurate and effective.
  • Stronger corporate image in terms of prevention and attention to the safety of personnel working outdoors or alone.

Tecnology

J-HELP App:

  • Google Android operating system from Android 9.
  • Apple iOS operating system from iOS 14.
  • SQLite database.
  • Dart development language.
  • License registration.

 

G6-BLE:

  • Bluetooth 5.0.
  • IP67 protection rating.
  • Integrated 3-axis accelerometer sensor.
  • Integrated NFC.
  • Replaceable CR2032 battery.
  • Wearable in different ways to adapt to multiple situations, such as on the wrist, as a key ring, or as a necklace.
  • SOS button for emergencies.

Functions and equipment

Android App
WEB-based
Cloud (saas)
Google Maps GPS
Multilanguage


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