About this app
Tune your double bass (contrabass) instantly with professional accuracy! Perfect for orchestra, jazz, classical, and studio musicians. • Displays exact pitch frequency in Hz • A4 temperaments from 392Hz–466Hz • Includes tuning fork & advanced settings (IAP) • Exceptional sensitivity for low-frequency instruments • LED tuning indicator for intuitive visual feedback • Tuned string lights up automatically • Universal app for iPhone & iPad Allow microphone access: Settings > Privacy > Microphone. Questions? feedback@daikyoujulabs.com
Latest release
What’s New
· Optimization for the latest iPhones and iPads, including iPhone 17 Pro Max, iPhone Air and iPad Pro. · Metronome, A4 Calibration, Tuning fork and Settings (as In-App Purchases). · Performance improvements and bug fixes
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Sep 2, 2026 · 11:45 PM Free
Screenshots
