Free iOS app today: APTuner – Chromatic & Strobe Tuner



APTuner Pro takes one of the most widely used chromatic tuners and places it in your mobile phone and tablet. Built around an improved version of our pitch recognition engine, APTuner Pro allows you to quickly and accurately tune your instrument using your phone’s built-in mic. Beautifully designed user interface optimized for iOS7 is focused on only one task: perfectly tuning your instrument. 

New to version 1.2 is our true 8 octave strobe display. Every audio sample is fed through the GPU to calculate the real stroboscopic effect-exactly like a mechanical spinning disk. Looks absolutely amazing in landscape on a retina display! 

New to version 2.1 is the Performance Analysis screen. APTuner can analyze and display your pitch and loudness over time. Perfect for improving your tonal quality, scales, dynamics or measuring how well you are holding your tone and volume. 

The product family has been downloaded over 10 million times and used by countless professional musicians, instructors, instrument builders, and studios. 

+ Automatically detects the note and cent deviation for a wide variety of instruments 
+ True 8 octave stroboscopic display 
+ Graph pitch and loudness over time 
+ Precise up to 1/1000 semitone (0.1 cent) 
+ High contrast, high visibility user interface 
+ User selectable noise threshold 
+ Settable A4 frequency 
+ Temperament Support 

+ I’ve used your product for ever it seems, likely every day. Recommend it to every guitar player I know that owns a computer. 
+ Easy to use, intelligent, and versatile. Slick. 
+ Quick response time, Great display, can see it across the room! 
+ A very good product indeed. My teacher says that it has really helped me to improve my pitch placement. Thank you for all your hard work on this. 
+ My guitar has never sounded sweeter. 
+ The best guitar tuner I have found, cleanly done, easy to use – nothing to improve. A pleasure to pay for it.

Nathan Smith

Nathan Smith is Director of Technology for the College of Education and Human Services at Utah State University. In that role, he also directs The Adele & Dale Young Education Technology Center (The YETC) located in room 170 of the Education Building on Utah State University's Logan campus. The YETC is a combination student open­access computer facility, a K­12 curriculum materials library, a NASA Educator Resource Center for Utah, and a technology training center. Nathan served eight years (2004­2012) on the Board of Directors for the Utah Coalition for Education Technology (UCET) He was re­elected in 2014 to serve another two year term on the board. A former elementary school teacher, Nathan has taught students every age from young children to senior citizens. He has had the opportunity beginning in 2011 to train international high school teachers from all over the world about technology in education, through the U.S. State

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