Sensor Logger

Sensor Logger

One-touch sensor logger with streaming, Bluetooth and multi-user study support

Sensor Logger collects, records and displays data from a wide range of sensors on your phone - including accelerometer, gyroscope, GPS, audio, camera and bluetooth devices. You can also record device properties such as screen brightness, battery level, and network status. An intuitive interface allows you to select the desired sensors and view them live. The touch of a button starts the recording function, which works even when the app is in the background. You can view and manage recordings in the app through interactive graphs. The export functionality conveniently outputs your recordings in multiple formats, including compressed CSV, JSON, Excel, KML, and SQLite. For advanced use cases, you can also stream data via HTTP or MQTT during a recording session, resample and aggregate measurements from multiple sensors, and easily create studies to collect recordings from other Sensor Logger users. Sensor Logger is designed specifically for researchers, educators, and anyone interested in collecting or monitoring sensor data on their smartphones. Serves as a toolbox for exploring various fields, including physics, science, technology, engineering, and mathematics (STEM).

Main features:

- Comprehensive sensor support

- One-tap registration

- Background recording

- View recordings in interactive graphs

- Transmit real-time data via HTTP/MQTT

- Compressed exports of CSV, JSON, Excel, KML and SQLite

- Resample and aggregate measurements

- Enable and disable specific sensors

- Supports registration of nearby Bluetooth devices

- Add synchronized notes with timestamp while recording

- Adjust sampling frequency for groups of sensors

- Raw and calibrated measurements available

- Graphs and live readings for sensors

- Organize, sort and filter recordings

- Bulk export and deletion of recordings

- Free resources to help you analyze your data

- Ad free

- Data remains on the device and 100% private

Supported measurements (if available):

- Device acceleration (accelerometer; raw and calibrated), G-Force

- Gravity vector (accelerometer)

- Device rotation rate (gyroscope)

- Device orientation (gyroscope; raw and calibrated)

- Magnetic Bearing (Magnetometer; Gross and Calibrated) / Compass

- Barometric Altitude (Barometer) / Atmospheric Pressure

- GPS: Altitude, Speed, Bearing, Latitude, Longitude

- Audio (microphone)

- Loudness (microphone) / sound meter

- Camera images (front and back, foreground)

- Camera video (front and back, foreground)

- Pedometer

- Light sensor

- Annotations (time stamp and optional text comment)

- Device battery level and status

- Device screen brightness level

- Nearby Bluetooth devices (all data advertised)

- Network

Optional paid features (Plus and Pro):

- No limitations on the number of recordings stored

- Additional export formats — Excel, KML and SQLite

- Combined CSV export - combine, resample and aggregate measurements from multiple sensors

- Customize the recording workflow

- Advanced rummy wealth sensor settings

- Custom naming templates

- Theme and icon customizations

- Create larger studies with more participants

- More storage allocated for studies using Sensor Logger Cloud

- Unlimited number of Bluetooth sensors switched simultaneously and no limit on minimum signal strength

- Email support (Pro and Ultimate only)

- Advanced study customization, including creating custom follow-up questionnaires and custom study ID (Ultimate only)

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