# HarmoniQ > HarmoniQ is an iOS app for learning absolute pitch (perfect pitch) using research-informed, AI-assisted training, available in many languages. This site offers the product story, a science and learning blog, and free browser tools for practice and testing. Full URL list: https://harmoniqmusic.com/sitemap.xml ## Site & product - [Homepage](https://harmoniqmusic.com/): Product overview, methodology highlights, and link to the iOS app on the App Store. - [HarmoniQ on the App Store](https://apps.apple.com/app/apple-store/id6479720616?pt=126614806&ct=llms&mt=8): Download the iOS app for structured lessons, progress tracking, and personalized training. - [FAQ](https://harmoniqmusic.com/faq.html): Answers to common questions about perfect pitch and learning absolute pitch. - [About](https://harmoniqmusic.com/about.html): Background on the creator, mission, and approach to ear training. - [Press](https://harmoniqmusic.com/press.html): Press kit and official information for media. ## Web tools - [Ear training hub](https://harmoniqmusic.com/ear-training/): Catalog of HarmoniQ's free ear training tools, plus a science-based guide: what ear training is, why it matters to musicians, what published research actually supports, and how perfect pitch and relative pitch fit together. - [Free absolute pitch trainer](https://harmoniqmusic.com/ear-training/absolute-pitch-trainer/): Browser-based note recognition practice; science-based drills. Full progress tracking lives in the iOS app. - [Free perfect pitch test](https://harmoniqmusic.com/perfect-pitch-test/): Measures pitch generalization across instruments and octaves; produces a detailed report. No account required. - [Free interval ear training](https://harmoniqmusic.com/ear-training/intervals/): Train recognition and production of musical intervals, with a guide to interval training (playable examples, interval inversions, the reference-song question, how intervals work inside real music). Completely free, no account required. - [Free chord ear training](https://harmoniqmusic.com/ear-training/chords/): Learn to identify chord names and qualities by ear. A complete guide to chord ear training, including what chords are and every quality from simple triads to altered chords. Completely free, no account required. - [Free scale ear training](https://harmoniqmusic.com/ear-training/scales/): Learn to identify scales and modes by ear. A complete guide to scale ear training, including what scales and modes are, why melodic minor changes on the way down, and how scales show up in real music. Completely free, no account required. - [Free scale degree ear training](https://harmoniqmusic.com/ear-training/scale-degrees/): Learn to hear scale degrees by ear: a cadence establishes the key, a note sounds, and you name its degree by number or movable-do solfège. A complete guide to scale degrees, including how a key gets established and how degrees show up in real music. Completely free, no account required. - [Free chord progression ear training](https://harmoniqmusic.com/ear-training/chord-progressions/): Learn to hear chord progressions by ear: a key is established, a progression plays, and you name each chord by Roman numeral, in major and minor keys, with diatonic triads and seventh chords. A complete guide to chord progressions and harmonic function, with playable examples. Completely free, no account required. - [Free melodic dictation](https://harmoniqmusic.com/ear-training/melodic-dictation/): Transcribe short melodies by ear onto an interactive staff. Practice pitch and rhythm across real keys, meters, and clefs with accurate per-note scoring. A complete guide to melodic dictation, with playable examples. Completely free, no account required. ## Blog - [Blog index](https://harmoniqmusic.com/blog/): Articles on absolute pitch science, the HarmoniQ method, myths, measurement, and learner experience. Individual posts below are good starting points. ### Method & product - [The HarmoniQ method: a research-backed path to adult absolute pitch](https://harmoniqmusic.com/blog/the-harmoniq-method-a-research-backed-path-to-adult-absolute-pitch.html): Overview of the training philosophy and roadmap for adult learners. - [Why HarmoniQ works](https://harmoniqmusic.com/blog/why-harmoniq-works.html): How the approach is designed to support learning. - [A new roadmap for HarmoniQ](https://harmoniqmusic.com/blog/a-new-roadmap-for-harmoniq.html): Product direction and priorities. ### Science & evidence - [Can adults learn absolute pitch? Neuroscience evidence](https://harmoniqmusic.com/blog/can-adults-learn-perfect-pitch-evidence-from-neuroscience-and-training.html): Synthesis of research relevant to adult training. - [Evidence for widespread absolute pitch memory](https://harmoniqmusic.com/blog/evidence-for-widespread-absolute-pitch-memory.html): Research context for how absolute pitch relates to memory and perception. - [No glass ceiling for adults learning absolute pitch](https://harmoniqmusic.com/blog/unlocking-perfect-pitch-a-new-era-for-adult-musicians.html): Account of Wong et al. (2025), an 8-week training study that produced two adults with absolute pitch performance comparable to lifelong possessors. - [Beyond the lab: thousands of learners validate perfect pitch science](https://harmoniqmusic.com/blog/beyond-the-lab-thousands-of-learners-validate-perfect-pitch-science.html): Connecting research to real-world learners. ### Concepts, myths & clarity - [What is perfect pitch, really?](https://harmoniqmusic.com/blog/what-is-perfect-pitch-really.html): Definitions and nuance beyond the popular label. - [Perfect pitch isn’t binary: how to measure it](https://harmoniqmusic.com/blog/perfect-pitch-isnt-binary-how-to-measure-it.html): How ability can be graded rather than yes/no. - [How to take a perfect pitch test](https://harmoniqmusic.com/blog/how-to-take-a-perfect-pitch-test.html): How to take any perfect pitch test properly and read what the results reveal about your ear beyond a pass or fail score. - [Is learning perfect pitch a scam?](https://harmoniqmusic.com/blog/is-learning-perfect-pitch-a-scam.html): Critical look at claims and expectations in the space. - [Learning perfect pitch: myth or misunderstood?](https://harmoniqmusic.com/blog/learning-perfect-pitch-myth-or-misunderstood.html): Separating misconceptions from evidence. ### History & culture - [The history of perfect pitch fact](https://harmoniqmusic.com/blog/the-history-of-perfect-pitch-fact.html): Historical perspective on how ideas about absolute pitch evolved. - [Perfect pitch across cultures](https://harmoniqmusic.com/blog/perfect-pitch-across-cultures.html): Cross-cultural angles on pitch and training. ## Optional - [Contact](https://harmoniqmusic.com/contact.html): Ways to reach the team. - [Privacy policy](https://harmoniqmusic.com/privacy.html): Data and privacy terms for the site and app. - Research PDFs are linked from individual blog posts under https://harmoniqmusic.com/blog/pdfs/ (see articles above or the blog index for context).