SimpleFFT vs DiagPro+

This app can easily analyze the frequency of sound. For the sound of the recording file recorded at each refresh time interval, FFT is executed and displayed for the four voices collected one after another at each refresh interval.

DiagPro+ is your AI‑powered home repair assistant, helping you troubleshoot appliances, devices, and everyday household issues with simple, guided steps. Whether something stops working, makes a strange noise, leaks, won’t turn on, or shows a warning light, DiagPro+ helps you understand what’s happening and what to do next — no technical skills required. Fix common home problems with confidence: • Washers and dryers • Refrigerators and freezers • Dishwashers • Ovens, stoves, and microwaves • HVAC systems and thermostats • Plumbing fixtures and leaks • Electrical symptoms and power issues • Small appliances and home devices How it works: 1. Describe the issue or choose a category 2. DiagPro+ analyzes the symptoms using AI 3. Follow clear, step‑by‑step guidance 4. Learn what you can safely fix yourself 5. Know when it’s time to call a professional Why homeowners and renters use DiagPro+: • Get fast, accurate answers without searching the internet • Reduce unnecessary service calls and save money • Understand the real cause of the problem • Follow safe, beginner‑friendly instructions • Works across many appliances and devices • Expands over time as new troubleshooting flows are added DiagPro+ is built on a structured diagnostic engine designed to make troubleshooting simple, safe, and reliable. Instead of guessing or relying on random online advice, you get clear, validated steps tailored to real‑world home issues. Whether you’re dealing with a noisy washer, a warm fridge, a tripped breaker, a leaking faucet, or a device that suddenly stopped working, DiagPro+ helps you take the right next step — quickly and confidently