Feedback Trainer vs AudioEngineer EAR Trainer

A frequency ear training app for PA engineers and audio professionals. The ability to quickly identify problem frequencies that cause feedback is a skill built through experience. Train your ears with this app and sharpen your instincts for the stage and studio. Features Visual learning with a 31-band graphic EQ display Two modes: Phone-Friendly (100Hz–16kHz) and Full Range for external speakers (40Hz–16kHz) Hint mode for beginners Track your accuracy and progress history Available in Japanese, English, Chinese, French, and Spanish

AudioEngineer Ear Trainer is an ear-training app for audio engineers and musicians. Train your sense of frequency, your ear for noise, and your ear for effects — in two modes, Quiz (guess the answer) and Listen (free, unscored). No login, no ads, no tracking, and it works completely offline. ■ Frequency Ear Training Free · 10-band EQ boost/cut training with pink noise · Boost-only, cut-only, and mixed (guess the direction too) practice modes · Best-streak tracking Unlock Pro (one-time purchase) · 31-band 1/3-octave precision training (ISO 266 standard) · 12dB, 6dB, and 3dB boost/cut magnitude selection (mixed magnitude too) · Sine-wave-only listening mode · Left/right ear training — a different band is boosted or cut in each ear, and you identify both independently · Train with your own imported music ■ Noise Ear Training Free · Identify noise types (hiss, rumble, crackle, and more) Unlock Pro (one-time purchase) · More noise types added · Identify hum frequency (50Hz vs. 60Hz) · Noise floor detection — tell whether noise is present, and guess its level (-60/-50/-40dB) · All of the above support your own music as the background ■ Effects Ear Training Free · Identify 3 effect types — Reverb, Delay, Chorus Unlock Pro (one-time purchase) · 4 more effect types — Flanger, Phaser, Tremolo, Distortion (7 total) · A/B effect-intensity comparison (which is stronger?) · Import your own music to hear how each effect sounds on a real track ■ Mock Exam · A 10-question exam to check everything you've trained, all at once (Basic free / Pro version) · S–D grades and per-category accuracy to find your weak spots, with best-score tracking Available in Korean, English, Japanese, Spanish, and Simplified Chinese. Runs on iPhone, iPad, Mac, and Apple Vision Pro.