Voltcraft WIFI Scope vs DR

WIFI Scope is an oscilloscope app for iPad, iPhone。Combined with WIFI Scope hardware, it make your iOS device to be an oscilloscope。 With iOS devices’s touch screens, it enables more natural interaction with the user interface. You can zoom in or out a waveform using your fingers. WIFI Scope must be used with WIFI Scope hardware. Feature Highlights: * Connects hardware wirelessly via Wi-fi * 2 channels * Intuitive software: pinch-to-zoom waveforms * Max 250M sample rate with 70 MHz bandwidth * 5ns/div-500s/div * FFT

DR-SoundMeter measures the noise around you in decibels with your device's microphone and tells you what it means for your hearing. MEASURE - Live level in dB with Min, Max and average - A, C and Z frequency weighting, Fast and Slow time weighting - LAeq, LAFmax, LCpeak, sound exposure level (LE) and L10, L50, L90 - A chart of the level over time - Calibration offset for your device PROTECT YOUR HEARING - How long it is safe to stay at the current level - Daily noise dose under NIOSH or OSHA - Hearing protection advice for loud places - 15 everyday sounds to compare with, from a whisper to a jet engine ANALYSE - Live third-octave and octave frequency bands - Record the sound and play it back as a waveform or spectrogram SAVE AND SHARE - Save sessions with their place and time - See your measurements on a noise map - Export levels, doses and location to CSV APPLE WATCH - Measures on the watch's own microphone, without the phone - LAeq, maximum and minimum at a glance - A haptic alert when the noise passes your threshold Every measuring feature is free. DR-SoundMeter Pro removes ads and lifts the limits on saved sessions and recordings. Readings depend on your device's microphone. For a reference measurement, use a calibrated sound level meter. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/