# Fret IQ: Inversion Trainer — Master Guitar Chord Inversions > Interactive guitar training app for fretboard understanding and chord inversions. (iPhone/iPad app by DEVAN JAMES MAROTTA.) - Source: https://appshunter.io/ios/app/fret-iq-inversion-trainer/id6768131043 (this page in markdown: same URL + `.md`) - Developer: [DEVAN JAMES MAROTTA](https://appshunter.io/developer/1896539338) - Category: Education, Music - Price: Free with in-app purchases - Rating: 5.00/5 from 4 App Store ratings · 3 written reviews indexed - Age rating: 4+ - Requires: iOS 15.1 · 171 MB - Languages: American English - Released: 2026-05-18 - Data updated: 2026-06-25 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/fret-iq-inversion-trainer/id6768131043/reviews.md ## What is Fret IQ? FretIQ is an interactive guitar training app designed to help you truly understand the fretboard through intervals, inversions, chord structures, and harmonic relationships. Rather than memorizing isolated shapes, FretIQ trains pattern recognition across the entire neck through a series of engaging quiz modes and interactive tools. Frets and string sets constantly shift, helping players move beyond fixed positions and develop real fretboard fluency. Features include: • Interval and inversion training games • Multiple quiz modes for different styles of recognition • Interactive chord and harmony catalogue • Triads, seventh chords, spread voicings, and advanced harmony • Real audio playback for notes and chords • Progressive difficulty and randomized fretboard challenges • Clean design focused entirely on learning — no ads or distractions Whether you are a beginner building fretboard awareness or an advanced guitarist refining harmonic visualization, FretIQ is designed to strengthen the connection between your ears, your hands, and the guitar neck itself. No subscription. No ads. Ever. ## Key features - Interval and inversion training games - Multiple quiz modes - Interactive chord and harmony catalogue - Real audio playback - Progressive difficulty - No ads or distractions ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Fret IQ Premium | $5.99 | one-time | ## Recent user reviews (3 of 3) All indexed reviews: https://appshunter.io/ios/app/fret-iq-inversion-trainer/id6768131043/reviews.md ### 5/5 — Incredible! *2026-05-31* I’ve been playing guitar for years and inversions were always my blind spot. I understood them conceptually but could never find them quickly on the neck without stopping to think. Fret IQ changed that. The app drills you in a way that actually sticks. It’s not just flashcards, it builds real muscle memory for where inversions live across the fretboard. After a few weeks of consistent use, I started hearing chord voicings in songs and immediately knowing what inversion was being used. That was a first for me. Clean interface, no fluff, does exactly what it promises. If you’re a guitarist who’s tired of being stuck in first-position chord shapes and wants to actually understand the neck, this is the app to get. ### 5/5 — The ultimate plateau buster. *2026-05-30* I’m coming back to the guitar after a long hiatus, and Fret IQ is completely transforming my playing. The focus on interactive training for chord inversions and interval recognition is a total game changer. Instead of just memorizing boxes, it teaches you to see how the whole fretboard connects. It’s helping me break through old boundaries and reach a level of music theory confidence I’ve never had before. Absolutely brilliant app! ### 5/5 — Super helpful *2026-05-29* Works great, exactly what I was looking for. Nice way to get some practice in right when I wake up (rather than doom scroll!) ## Frequently asked questions about Fret IQ ### What is Fret IQ? Fret IQ is an interactive guitar training app designed to help you understand the fretboard through intervals, inversions, and harmonic relationships. It focuses on pattern recognition across the entire neck. ### How does Fret IQ help with learning guitar? Fret IQ uses engaging quiz modes and interactive tools to train pattern recognition, helping players move beyond fixed positions and develop fretboard fluency. It offers real audio playback for notes and chords. ### Is Fret IQ suitable for beginners? Yes, Fret IQ is designed for guitarists of all levels, including beginners building fretboard awareness. It helps strengthen the connection between your ears, hands, and the guitar neck. ### Does Fret IQ have ads? No, Fret IQ is designed with a clean interface focused entirely on learning and contains no advertisements or distractions. ### What types of chords and harmony does Fret IQ cover? Fret IQ covers triads, seventh chords, spread voicings, and advanced harmony. It includes an interactive catalogue for chords and harmony. ### What devices does Fret IQ support? Fret IQ is currently supported on iPhone and iPod devices. ### How often is Fret IQ updated? The latest version, 1.1.2, was released on June 1, 2026, indicating recent development activity. ### What is the user rating for Fret IQ? Fret IQ has a perfect rating of 5.0 stars based on 4 user ratings, suggesting high user satisfaction. ## Version history (last 4 releases) ### 1.1.2 — 2026-06-01 Fixed bug showed that showed app as running in "developer mode" when it was not. ### 1.1.1 — 2026-05-29 Added screenshots ### 1.1.0 — 2026-05-19 Fixed audio bug. ### 1.0 — 2026-05-19 No release notes. --- *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 2026-06-25.*