43+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our quartet 2 list covers 43+ iPhone apps updated through August 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | $19.99 | 4.7★ (7) | No | Yes | Aug 2026 |
| 2 |  | $0.99 | — | No | No | Aug 2026 |
| 3 |  | Free | 2.3★ (3) | No | No | Jun 2026 |
| 4 |  | Free | — | No | No | May 2026 |
| 5 |  | Free | — | No | No | May 2026 |
| 6 |  | $9.99 | 5.0★ (4) | No | No | Aug 2026 |
| 7 |  | Free | 5.0★ (1) | No | No | May 2026 |
| 8 |  | $0.99 | — | No | No | Aug 2026 |
Practice and perform jazz standards with live studio recordings. Mute your instrument to play along, change key, adjust tempo, and loop sections. Features animated chord diagrams and royalty-free multitrack exports for creative remixing.
Practice Japanese vocabulary and kanji from the "QUARTET 2 Intermediate Japanese" textbook. Features include flashcards, quizzes, and stroke order animations for efficient learning anytime, anywhere.
This app allows you to play drums, piano, bass, and guitar on your iPhone or iPad. Enjoy high-quality sounds and the ability to play with a friend on the same device.
Explore jazz standard forms infused with Brazilian rhythms through this play-along app. Practice with professional musicians, mute or solo individual tracks, and access chord charts.
This app allows users to individually control and listen to different vocal parts of a song. You can toggle parts on/off, adjust their volume, and even sing along to specific tracks. It's designed for practicing and experiencing music in a unique, layered way.
Experience classical music with synchronized sheet music that scrolls automatically. Enjoy high-quality recordings of complete string quartets, with features like background playback and adjustable speed.
This app helps organize barbershop quartet competitions by randomly assigning singers to each voice and selecting a song. It's designed for large groups like choruses to facilitate fun, random performances.
Access a library of classical music performances, including live recordings and videos. Stay updated on upcoming events, view program notes, and purchase tickets to digital and in-person shows. Enjoy high-quality audio and detailed repertoire information.
Experience classical music with synchronized sheet music that scrolls automatically. Enjoy high-quality recordings of Beethoven's complete string quartets with features like background play and adjustable playback speed.
Explore melodic patterns for jazz improvisation organized by chord. This educational tool provides solo material for musicians to enhance their playing over various chord changes. Designed for treble clef instruments.
Learn the fundamentals of jazz improvisation with interactive lessons, audio examples, and jam-along tracks. This app provides basic theory, ear training, and a scale-to-chord compendium to help aspiring musicians develop soloing skills.
Experience classical music with synchronized sheet music that flows in real-time. This app features high-quality recordings of Beethoven's complete violin sonatas, allowing for an immersive listening and learning experience.
Experience classical music with synchronized sheet music. Listen to high-quality recordings of Brahms' violin sonatas while following the score as it flows in real-time. A unique way to engage with timeless compositions.
Organize and access jazz solo material for bass clef instruments. Explore 60 Charlie Parker solos categorized by chord changes to enhance improvisation. Designed for jazz soloists seeking melodic ideas.