# Ruan Tuner-Tuner for Ruan

> Precise & Easy Plus metronome

Canonical page: [https://chrome-stats.com/d/id1286711956](https://chrome-stats.com/d/id1286711956)

## Overview

- **ID:** `id1286711956`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Hsing-Fu Hsueh
- **Category:** Music
- **Rating:** 5.00 / 5 (2 ratings)
- **Version:** 3.3
- **Last updated:** 2022-04-15
- **First published:** 2017-09-22
- **Size:** 40 MB
- **Data as of:** 2026-09-24
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/ruan-tuner-tuner-for-ruan/id1286711956)
- **Website:** [http://www.kme-app.com](http://www.kme-app.com/)
- **Privacy policy:** [http://www.kme-app.com/Privacy-Policy](http://www.kme-app.com/Privacy-Policy)

## Description

Ruan Tuner-Tuner for Ruan provides a simple, noise-filtered interface to tune the four strings of the Ruan. Activate the app and view the pitch for each string with clear visual cues indicating flat or sharp, enabling quick tuning without extra setup.

Features include Calibrate Piano Sound (A4=442 Hz) with adjustable A4 (428–452 Hz), 12 tuning modes (C, G, F, D, bB, A, bE, E, bA, B, #F, #C), and a 10-cent tuning scale. The blue line marks the open string, the green arrow confirms accurate pitch, and white indicates drift beyond a sub-bit. The interface guides string adjustments via the lighting arrow on the scale. Feedback and questions are welcome.

## Rankings

- #676,378 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1286711956)