LightBox Lite vs dB Meter & Spectrum Analyzer

A practical toolbox full of lights - Instant flashlights, Dynamo light, SOS and so on. Please check this app before you buy any other light related applications. (always FREE for this edition) [What are in the BOX] This little box brings you several kinds of lights by simply clicking the icons from the selection panel. * Flashlights (instant white) 　- classic 　- focus * Funny light 　- dynamo * SOS light 　- flash (soundable) [Quick Start] * Select a Light Style 　- click the light name (say 'Flashlight' or 'SOS') on the bottom toolbar to launch the selection panel 　- click the item you prefer * Change Brightness 　- slide on the brightness area in the bottom toolbar, or 　- slide horizontally on the light area (outside the bottom toolbar) * Change Color 　- slide on the color area in the bottom toolbar, or 　- slide vertically on the light area (outside the bottom toolbar), or 　- shake your iPhone/iPod to shuffle the color * Make Some Noise (sound may vary or be not applicable based on the selected light) 　- click the Horn icon to switch the sound on or off * Lock to avoid accidential touches 　- click the Lock icon to enable or disable the adjustment (thru shake or slide the light area) for the accidential touches. * Switch to Super-Bright Mode 　- just make a two-finger click on the light area :) * Show Help 　- click the 'i' icon on the left top in the selection panel [Useful Tips for Special Lights] * Focus 　- useful when you need only a ray of light or the iPhone/iPod has a little power energy 　- two-finger click on the light area to quickly switch between the focus mode and full screen mode * Dynamo 　- a funny light style simulating a real dynamo flashlight 　- shake your iPhone/iPod to generate the 'electricity' 　- the more quickly you shake, the more light you will get [Important] To get the best result, please set your iPhone/iPod screen brightness to the maximum through the Settings application. Enjoy! 　　 * If you have any questions, comments, or suggestions, please contact us by emailing to: support@foxlabapp.com *

"The best way to meter sound levels" - AppAdvice Decibel Meter is full of features sound level meter with exclusive accuracy of measurements and integrated spectrum analyzer. Calibrated with professional dB meter. The world is a noisy place: cars, power tools, crowds, machinery, and other common sources produce amounts of noise that can, with continued exposure, lead to permanent hearing loss. Sound level meters are useful for anyone who wants to avoid exposing their ears to harmful noise levels, but who wants to spend hundreds of dollars on one? dB Meter is free app which provides professional-quality measurement results, calibrated using an actual Nor140 high-precision decibel meter. With dB Meter, you can measure ambient noise levels, save your measurements and their locations, and share your measurements with others. dB Meter couples utility with stylish design and a polished user experience: a powerful tool in a sleek package, and at a tiny fraction of the cost of professional sound level meters. (Please note that dB Meter soundmeter app is not a replacement for professional devices and should be used for personal purposes only.) FEATURES: ● Health App integration. Export measured noise levels and audiogram directly to Health app. ● Noise dosimeter regarding NIOSH and OSHA standards ● Photo & video with the noise overlay ● Powerful hearing test ● Saves location data for each measurement. ● Save measurements with custom names and rename existing measurements. ● Export measurements in CSV or Audio format. ● Allows you to save, export and play back recorded measurements. ● Highly accurate measurements. ● Integrated Fully Functional Spectrum Analyzer ● Octave Band Real Time Analyzer ● FFT Plot (Fast Fourier Transform) ● Spectrogram ● Linear and logarithm scales ● Up to 16384 FFT size ● A lot of available window functions ● Tracking for max value ● Max and Min for any selected frequency ● Stunned graphics You can enable or disable noise levels data exporting to Health app in dB Meter Pro app settings. Have any questions or suggestions? Write to us: support@dbmeterpro.com DB Chart 150-160 dB = Eardrum rupture 140 decibel = Aircraft carrier deck. 130 dB = Jet take-off (100 meters), gun blast at close range. 120 dB= Human pain threshold, loud rock concert. 110 decibel = Serious hearing damage if sustained for more than 1 hour. 100 dB = Serious hearing damage if sustained for more than 8 hours. 90 decibel = Likely hearing damage if sustained for more than 8 hours. 80 decibel = Potential but unlikely hearing damage if sustained for more than 8 hours. 70 dB = Just annoying, but probably safe. 60 dB= Typical conversational volume. 50 dB = A quiet, library conversation. 40 decibel = A whisper. 30 dB= Barely audible sound. 20 decibel= Threshold of human hearing.