Category: Mobile Apps

Boop Light Detector

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The Boop Light Detector is a mobile application developed for blind and visually impaired to detect levels of light and interpret this information with sound. It allows its users to detect whether lights are on or off. It covers a broad range of light levels which span from sensing daylight through open windows to checking whether the indicator light is on for a WiFi router. To use, permission to use the camera (first time only) must be accepted. Then, the blind or low vision user would point the phone towards a light source, listen, and feel as their phone changes tone and frequency of vibration while getting closer to the light. Only the light level at the center of the camera (directly perpendicular to the phone face) is measured. Pointing the phone directly at the light source will get the highest reading. Other features include:

Volume control:

  • Volume control buttons on side of phone control Boop's playback volume. 
  • Mute will completely turn off the sound. 
  • Toggle vibrate on or off manually with the switch at the bottom of the app.

Voice over features:

  • Two finger scrub to turn vibrate on or off. 
  • Two finger double tap to close the app. 
  • Tap center of the app to read light level.
Technical Specifications: 

Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.

Version: 1.4

Size: 12.7 MB

Language: English

© 2016 Ariel Anders


Price Check
as of: 
Additional Pricing Notes: 
free download
Boop Light Detector

Made By:

Ariel Anders
Organization Type: 

Founder of apptrance and app developer. She developed the Boop Light Detector.

Sold By:

Apple, Inc.
Organization Type: 
Phone: 800-692-7753 or 800-676-2775
Phone (U.S. and Canada): 
Blind & Low Vision, Computers