Tonality Visualizer vs Ring It Out

Tonality Visualizer is an interactive polar-pitch map that displays musical notes on a rotating disk. You can connect a MIDI keyboard or open a MIDI file — every note appears in real time. The app helps you see harmony, motion, and chord relationships, even without formal music theory. Main Features •MIDI Input: visualize notes directly from your keyboard or MIDI device. •MIDI File Playback / Trainer Mode: play or practice chord by chord. •Live Sound Option: enable/disable the built-in synth for input playback. •Physics-based Disk Rotation: the disk moves naturally according to musical torque. •Simple UI: switch between water-fixed / disk-fixed anchors, toggle UI visibility, bilingual JP/EN. Perfect for music learners, creators, and anyone who wants to “see” sound. Privacy No data collection. All processing happens locally on your device. License Open-source under the MIT License. Source code available on GitHub. Supported Formats •.mid / .midi files (Format 0 / 1) •CoreMIDI device input

Ring It Out is a fast, practical ear training game for live sound engineers and musicians. Learn to identify feedback frequencies quickly, the same way you have to during a show. How it works You are quizzed on multiple frequency bands in random order. A run ends only after every band has been identified correctly at least once. Each band is timed. Faster correct answers score more. Wrong taps and skips have small capped penalties. Easy mode can gray out bands you already completed in the current run. Scoring highlights Points reward first try accuracy and speed. Time bonus is only awarded when you get the band correct. Extra bonus points are awarded for very high bands like 12k5 and 16k when available for the selected output mode. Music bed (optional) Play music from your library playlists with simple transport controls and a level control so you can mix music with the training tones. No ducking. Leaderboard and sharing Top 5 scores are stored locally on your device with run time tie breakers. Share your result card to brag or track progress. No account required.