o46scope vs PeakID

o46scope is an audio measurement app for iPhone and iPad that helps you visualize sound in real time. It supports oscilloscope and FFT spectrum display, allowing you to inspect waveforms and frequency components instantly. The app also supports internal signal generation with Tone1 / Tone2 and test signal (Beep) output, making it useful for quick checks, learning, and simple audio measurement tasks. Key features • Oscilloscope display • FFT spectrum display • Signal tab for signal control • Internal signal generation with Tone1 / Tone2 • Speaker output for tones • Test signal (Beep) output • Adjustable parameters Premium Tone1 / Tone2 internal signal generation is available as a premium feature. It is available without ads. Ideal for users who want waveform visualization, frequency analysis, and signal generation in one app. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

PeakID is an app that displays the name, elevation, and distance of mountains in AR—simply by pointing your smartphone camera at them. "What mountain is that?"—answered instantly, whether you're a beginner hiker, traveling somewhere new, or just looking out a train window. Covers approximately 17,594 mountains across Japan. Mountains you capture are pinned on the map, building your personal collection of peaks you've seen. Key Features AR display of mountain names and major landmarks Realistic ridgeline rendering Photo capture & automatic collection Pin map Adjustable display range Notes Accuracy of mountain name display depends on your device's GPS and compass precision. Accuracy may decrease indoors or in areas with poor signal reception. The mountain database is comprehensive but does not include every mountain. Location access and calibration are performed at first launch.