Bismark bs-spectrum App Reviews

gives real frequency info!. Other cheap similar apps only make pretty pictures. This one gives you labels and you can tap at a spot on the chart to see the corresponding frequency. Highly useful for basic audio analysis.

Disappointed. This is absoloutely worthless. It does a refresh about every 20 second with a graph that is meaningless - little or no relationship to audio input. There are zero options. I want my money back! I ended up gettting a chromatic tuner with SA for less money and it works!

Functional. Though perhaps not feature-laden, this app is certainly more than a toy. Has four different types of windowing, multiple scales and manually adjustable cursors. Definitely a good deal for $2

Don't bother with version 1. Very little functionality in this app - it's as if the author wanted to do an rta app, got the mechanics working and then published with no features - there is no calibration, no pause, no save

Useful app, but.... This is a very useful app, but i wish you were able to hold the iPad in portrait view since the mic on the iPad is on the top... The app doesn't auto-rotate.

Works!. Imagine an analyzer for 2 bucks! Can't vouch for accuracy but seems to be spot on.

Very useful. This app will be very nice to have for when I tune rooms for sound systems. I would have given 5 if I could increase the db level to monitor the frequencies. I need at least 90db

Useful app!. I do medium voltage switchgear maintenance and repair in my job (13.2KV down to 480V). My partner thought that he heard an air leak in the gear one day, which is a sign of arcing. That range is gone in my hearing, so I used this app with my iPhone5 on the main 13.2KV breaker and took a screen shot of it, which showed a hard spike at around 10KHz. We singled up the plant and shut down that feeder the following weekend and pulled out the main breaker for maintenance... We found evidence of arcing inside the arc chutes. We cleaned, lubed, and tested the breaker and put it back into service. Afterwards, I ran the app again as before, and took a another screenshot (over-layed) on the first one.... this showed the spike was absent now. We used this comparison graph to quantify our results to upper management, which validated the expense of a weekend shutdown. Great app!

Very clean App.. Developer has used the "keep it simple stupid," (KISS) development mode. Easy simple intuative interface. Works well on M1 Mac mini. With a wide variety of USB microphones, from the cheap low end, to pro level mics. Vaery basic, but very well worth the money. Would be nice to vary the FFT bin levels. CUDOS to the develolper!

Suggestions. I like the app,nicely done, but I would really like to be able to specify a number of samples and then average the amplitudes at each frequency ... This would enable me to pick out dominant frequencies and get rid of the random noise.

Did not work. installed on Mac M2 Air, and it did nothing! How do I uninstall it and get my money back?

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Excellent update. The update makes a good app great so I give it 5 stars! Thanks for listening. Being able to set start and stop frequencies would a nice future upgrade.

Very Good!. Thank you for the great work.

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