# AudioEngineer EAR Trainer — Frequency & FX Ear Trainer

> Frequency & FX Ear Trainer (iPhone/iPad app by HYO SEOP LEE.)

- Source: https://appshunter.io/ios/app/audioengineer-ear-trainer/id6801893036 (this page in markdown: same URL + `.md`)
- Developer: [HYO SEOP LEE](https://appshunter.io/developer/6790621758)
- Category: Music, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 26.5 · 1 MB
- Languages: Korean, European Spanish, American English, Japanese, Chinese (Simplified, China)
- Released: 2026-08-19
- Data updated: 2026-08-21
- User reviews in markdown: https://appshunter.io/ios/app/audioengineer-ear-trainer/id6801893036/reviews.md

## What is AudioEngineer EAR Trainer?

AudioEngineer Ear Trainer is an ear-training app for audio engineers and musicians. Train your sense of frequency and your ear for
audio 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
· Quiz + Listen 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
· Sine wave overlay mode
· Train with your own imported music

■ Effects Listening

Free
· Reverb, Delay, and Chorus — 3 effects included free
· Quiz + Listen modes

Unlock Pro (one-time purchase)
· 4 more effects — Flanger, Phaser, Tremolo, Distortion (7 total)
· Import your own music to hear how each effect sounds on a real track

Available in Korean, English, Japanese, Spanish, and Simplified Chinese. Runs on iPhone, iPad, Mac, and Apple Vision Pro.


## Version history (last 1 release)

### 1.0 — 2026-08-19

No release notes.

## More apps by HYO SEOP LEE

- [AudioEngineerToolkit](https://appshunter.io/ios/app/audioengineertoolkit/id6794612792)
- [AET Quiz](https://appshunter.io/ios/app/aet-quiz/id6797225714)
- [무대음향 자격증 기출문제](https://appshunter.io/ios/app/id6798884217)
- [AudioEngineerKit: SPL & RTA](https://appshunter.io/ios/app/audioengineerkit-spl-and-rta/id6801498086)

All apps by HYO SEOP LEE: https://appshunter.io/developer/6790621758

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-21.*