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Audio analyzer with RTA SPL (noise level) and sound frequency spectrum.
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Use the phone microphone or headset mic as sound amplifier for louder hearing.
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All you wanted to know about sound
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Chromatic tuner and metronome for instruments and voice
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Do you want to know why you feel bad? Calculate your human performance here.
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Decibel meter with video and audio recording, do long recordings with autosave
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Record and stream infrasound with your smartphone
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Microphone for singing and speaking.
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personal biorhythm with partner comparison, for free
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FLApp: The new science guide. Experience Aachen in a whole new way!
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The Apgar scale is determined by evaluating the newborn baby
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Application for specialists in instrumentation and automation
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Audio Memos, simplify your recording tasks.
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Lunar calendar, astrology, Ba-Zi and precise astronomical calculations
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SmarterNoise Plus is the improved version of SmarterNoise, without ads
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Analyse frequencies, measure and record sound levels in video and audio modes