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Free download from the official Room EQ Wizard website. Community Experiences
This is one of the most popular lightweight tools for basic audio measurements.
“I use several apps from keuwlsoft, which are great and simple to use. I can definitely recommend their function generator. There's a frequency counter and a spectrum analyzer as well.” Reddit · r/AskElectronics · 3 years ago Comparison Table Primary Use Android / PC (via Emulator) Basic tone/period measurement Spectroid Android / iOS Real-time spectral analysis Room EQ Wizard Windows / macOS / Linux Professional room/speaker calibration Voxengo SPAN Windows / macOS (VST/AU) Music production/mixing
If you are looking to download frequency counter software ("programma chastotomer") for a PC or mobile device, the best option depends on whether you need a simple tool to measure audio tones or a professional-grade spectrum analyzer for engineering and music production.
“Highly recommend the Spectroid app for android. Helped me determine that the crazy high frequency I was hearing... was an 11khz sound that I was able to trace back to the Horizontal Linearity coil.” Facebook · 2 months ago
Simple and effective, but lacks the advanced features needed for professional mixing or RF analysis. 2. Spectroid (Android/iOS)
Are you planning to use this software for , radio frequency (RF) testing , or simple hobby use ? Spectroid - Apps on Google Play Spectroid - Apps on Google Play. Google Play
Displays a high-resolution frequency spectrum with "waterfall" tracking to see how frequencies change over time. Availability: Free on the Google Play Store .