Checkup vs Sound Scope Analyzer

Test mobile devices quickly and consistently with Checkup, professional diagnostics built for trade-in, refurbishment, repair, resale, and quality-control workflows. Checkup helps businesses test supported phones and tablets through guided hardware diagnostics, record consistent results, and standardize how devices are evaluated across operators and locations. Key diagnostics include: • Display and touchscreen • Cameras • Microphones and speakers • Buttons and vibration • Sensors • Connectivity • Other supported hardware functions Built for professional device operations Checkup helps businesses create a repeatable device-evaluation process for trade-in, refurbishment, repair, resale, and quality-control workflows. Connect to your Checkup workflow Start a diagnostic session using the method configured by your organization, including a Checkup connection, QR code, or session code where available. Available tests may vary depending on the device model, operating system, and workspace configuration.

Sound Scope Analyzer visualizes sound from your microphone in real time — an oscilloscope and spectrum analyzer in your pocket. ● Real-Time Mode • Watch waveforms like on an oscilloscope (a trigger keeps periodic waves steady on screen) • CRT-style afterglow effect you can toggle on and off • Frequency spectrum up to 24 kHz with automatic noise-floor removal, so real sounds stand out clearly • Fixed or auto scaling for each axis; pinch to zoom and drag to pan ● Timbre Mode • Automatically detects a sustained long tone (like singing “ahh”) and analyzes it with high frequency resolution • Shows the fundamental note name and frequency, with offset in cents • Marks each harmonic peak with its note name and measured frequency • Save the analysis result to Photos as an image • Sound source presets: voice, whistle, piano, guitar, bowed strings, and winds ● Great for • Long-tone practice and tone checks for winds, strings, and vocals • Comparing the harmonic structure of different instruments • Learning the physics of sound: frequency, waveforms, and harmonics • Exploring the sounds around you ● Privacy All audio is processed entirely on your device. Nothing is ever recorded, stored, or transmitted. Available in English and Japanese.