Official guide for the full-featured Classical Guitar Suite (CG Suite) and its specialized sister apps, Pulsar Tuner and Lyra Score
Built upon a shared acoustic DSP engine and sheet music core, our lineup consists of the main all-in-one app, Classical Guitar Suite (CG Suite), and two dedicated sister applications, Pulsar Tuner and Lyra Score, designed to fit your playing style and stage needs.
Application Name Change Notice
The app formerly known as "ReString Logger" has been rebranded as "Classical Guitar Suite" (CG Suite).
Full-Featured All-In-One Suite (CG Suite)
The comprehensive flagship application integrating guitar profile management, string exchange logs, inventory tracking, brand spec database, and community reviews with full DSP acoustic analysis tools and a digital sheet music reader. Tuning history, String QA, and timbre records sync securely to the cloud.
Dedicated Tuner & Acoustic Practice Satellite App
A fast, lightweight standalone app with no account registration or login required. Open and instantly tune or practice with the strobe / perceptual snap tuner, metronome, technical practice analyzer, hands-free loop recorder, String QA, and timbre analyzer.
Universal Smart Sheet Music Viewer for All Musicians
A clean digital sheet music reader crafted for all instrumentalists—pianists, string players, wind players, and guitarists alike. Featuring the Midnight Starlight dark theme for low-light stages, Google Drive sync, handwriting annotations, pedal page turning, and a 40–2100 Hz wideband mini needle tuner.
Supported platforms, store download links, and Web app access for each application.
| Application | iOS | Android | Windows | Web (Browser) |
|---|---|---|---|---|
| Classical Guitar Suite (CG Suite / Full) | App Store | Google Play | Microsoft Store | Launch Web App |
| Pulsar Tuner (Tuner Satellite) | App Store | Google Play | — (Not available) | Launch Web App |
| Lyra Score (Sheet Music) | In development | In development | — (Not available) | Launch Web App |
The table below outlines the features and differences across each application.
| Category | Feature | Classical Guitar Suite (CG Suite / Full) | Pulsar Tuner (Tuner Satellite) | Lyra Score (Sheet Music) | Reference Guide |
|---|---|---|---|---|---|
| Guitars & Strings | String exchange log, reviews, restringing alerts | ◎ | — | — | String Log |
| Guitars & Strings | Inventory tracking & stock consumption | ◎ | — | — | String Log |
| Discover & Community | String spec database & multi-criteria filtering (tension, material, coating, 2-set comparison) | ◎ | — | — | Discover & Community |
| Discover & Community | Community Strings (browse guitar & string combinations, user reviews, public sharing) | ◎ | — | — | Discover & Community |
| Discover & Community | Community Guitars & Timbre Comparison (guitar gallery, public showcase, timbre analysis overlay) | ◎ | — | — | Discover & Community |
| Tuner | High-precision DSP tuner (Strobe / Perceptual Snap) | ◎ | ◎ | — | Tuner |
| Tuner | Key/Chord temperament optimization / Dyad beat / Alternates | ◎ | ◎ | — | Tuner |
| Tuner | Scale-length compensation & cloud tuning trend graph | ◎ | — | — | Tuner |
| Tuner | Wideband chromatic mini-tuner (40–2100 Hz) | ○ (Guitar-optimized window) | — | ◎ (Universal floating bar) | Score |
| Acoustic QA | String QA (Roundness beat & 12F octave accuracy) | ◎ (Cloud history & IQR benchmark) | ◎ (Single-session check) | — | String QA |
| Acoustic QA | Guitar Timbre Analyzer (Spectral centroid & harmonics) | ◎ (Cloud history & 2-take overlay) | ◎ (Single-session measurement) | — | Timbre Measurement |
| Practice & Audio | Practice Analyzer (Tremolo, arpeggio, scale Evenness %) | ◎ (Full screen + score mini-tool) | ◎ (Full screen) | — | Practice |
| Practice & Audio | Hands-free onset loop recorder & uncompressed WAV export | ◎ | ◎ | ○ (Manual rec + auto loop) | Loop Recording |
| Practice & Audio | Precision metronome & acoustic tap-tempo reverse tracking | ◎ | ◎ | ◎ (Score mini-tool) | Metronome |
| Sheet Music | PDF library, setlists, and Google Drive synchronization | ◎ | — | ◎ | Sheet Music |
| Sheet Music | IMSLP score import, handwriting annotations, Bluetooth pedal | ◎ | — | ◎ | Sheet Music |
| Core Platform | Mic calibration & 5-language localization switch | ◎ | ◎ | ◎ | Settings & FAQ |
Shared Account & Score Data Synchronization
Classical Guitar Suite (CG Suite) and Lyra Score share the same unified account system, syncing user data across iOS, Android, Web (PWA), and Windows. When Google Drive sync is enabled under the same account, your PDF sheet music, handwritten annotations, bookmarks, and setlists are seamlessly shared between both apps (see Account Creation & Cloud Sync for details).