They are as good as there mic's, which in most phones is pretty poor. Also, if the mic is not calibrated, the results you get can be misleading. So, in the end it really depends on what you are using the app for. Certainly the results could not be called 'professional' standards.
Are phone app spectrum analyzers accurate?
I'm constantly amazed at the cool things a smart phone can do. There are several spec. analyzer apps available but I'm wondering if they're really accurate enough to use for system tuning? I've tried a couple of these and I like Speedy Spectrum and Spectrum Analyze (for android) the best for features and apparent accuracy.
My old Heathkit portable analyzer looks to be toast (yeah--I'm that old).
What are the thoughts from the hive?
My old Heathkit portable analyzer looks to be toast (yeah--I'm that old).
What are the thoughts from the hive?
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