250+ iOS apps curated and reviewed
Out of 250+ touch tonnetz apps on iOS, 15 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 3.5★ (4) | No | Yes | Sep 2026 |
| 2 |  | Free was $9.99 | 4.8★ (6.3K) | No | Yes | Aug 2026 |
| 3 |  | Free | 4.4★ (229) | No | Yes | Aug 2026 |
| 4 |  | Free | 4.7★ (569) | No | No | Aug 2026 |
| 5 |  | Free | 4.6★ (784) | No | Yes | Aug 2026 |
| 6 |  | $0.99 | 4.8★ (12) | No | No | Aug 2026 |
| 7 |  | Free | 4.8★ (5) | No | No | May 2026 |
| 8 |  | $7.99 | 4.7★ (586) | No | No | Aug 2026 |
Explore Neo-Riemannian music theory with an interactive tonal lattice. Hear chords and notes, visualize harmonic transformations, and build custom progressions. Offers multiple instrument sounds and color schemes for a hands-on theoretical exploration.
This app helps musicians of all levels write songs, find chords, and learn music theory. It offers tools for chord and scale practice, MIDI and PDF export, and collaboration features for songwriters and producers.
Access hundreds of thousands of chord variations for multiple instruments like guitar, piano, and ukulele. Features a minimalist, fast interface and supports iPhone, iPad, and OSX. Enjoy a completely ad-free experience.
This app helps musicians create chord progressions and explore music theory. It offers tools to discover chords, find melodies, and learn relationships between chords and scales, all through an intuitive interface with an on-screen keyboard.
This app simplifies music creation by offering intuitive tools for chord progressions, melody composition, and lyric writing. It helps musicians and producers overcome creative blocks with smart suggestions and visual aids, making music theory accessible and fun. Export your ideas as MIDI or text to your DAW.
This app provides musicians with instant access to a comprehensive music theory reference. It includes scales, chords, harmonizations, and notes with audio playback and support for multiple notation systems. It's designed for songwriting, studying, and quick reference.
Explore music theory and create chords effortlessly with this intuitive app. It offers various modes for beginners and experienced musicians to spark creativity and build musical ideas without barriers. Supports MIDI input/output and offers customizable sound engines.
This app is a musical instrument and songwriting tool that simplifies music theory. It helps users create chord progressions, discover new harmonies, and find melodies that match chords or scales. It integrates with other music apps and hardware for seamless production.
Visually explore chord and scale structures, understand their origins, and generate any chord imaginable. This tool simplifies music theory, offering quick lookups, reverse chord finding, and the ability to create custom progressions. It's designed for intuitive learning and creative musical exploration.
Explore the mathematical and computational underpinnings of music theory. This app uses algorithms, data visualization, and computer science concepts to make understanding scales, chords, and harmony intuitive and accessible, even without prior music knowledge.
An interactive music theory training app covering classical fundamentals. It features 19 units with audio, exercises, and definitions, mirroring AP Music Theory exam curriculum. Practice skills with over 90 exercise types.
This music creation tool helps musicians generate chord progressions, build song structures, and train their ear. It offers modes for quick idea generation or in-depth song writing, with features for practicing grooves and exporting musical ideas.
Master music theory with an interactive Circle of Fifths. Learn key signatures, chords in key, and chord shapes with visual aids and audio playback. Ideal for musicians of all levels to deepen their understanding of harmony.
Transform your device into a portable recording studio. Create music with virtual instruments, record vocals and guitars, and mix multi-track songs. Explore a vast library of sounds and effects to produce professional-sounding tracks anywhere.
This app provides an exhaustive reference for piano and guitar chords and scales, designed for musicians and students. It offers interactive tools, tutorials, and visualizations to explore music theory concepts, from basic harmony to advanced set theory.
This app transforms your device into a versatile musical instrument, offering a wide range of high-quality sounds and intuitive tools for creating melodies and harmonies. Explore authentic pianos, basses, guitars, and more with innovative features like Chord Pads and DSP effects.
Explore music theory with a visual representation of the 12 keys. Understand scales, compose chord progressions, and mix in key. Features color-coded relationships, key signatures, and sounded chords for each key.
Learn music theory with interactive challenges and comprehensive reference materials for piano and guitar. Test your knowledge of chords, scales, and progressions through engaging exercises and easily accessible diagrams.
Explore and understand the full spectrum of musical notes and their relationships. Hear, visualize, and learn about thousands of unique sound combinations, from familiar scales to entirely new sonic territories. This app offers a comprehensive map of musical space for musicians and enthusiasts.