# CarlTune - Chromatic Tuner

> Chromatic tuner and metronome for instruments and voice

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

## Overview

- **ID:** `com.brainting.carltune`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Brainting
- **Category:** MUSIC\_AND\_AUDIO
- **Downloads:** 1,434,451
- **Rating:** 4.65 / 5 (15,215 ratings)
- **Version:** 5.0.1
- **Last updated:** 2025-08-26
- **First published:** 2011-12-26
- **Publisher country:** KR
- **Size:** 9.01 MB
- **Data as of:** 2026-09-04
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.brainting.carltune)
- **Website:** [https://www.brainting.com](https://www.brainting.com/)
- **Privacy policy:** [https://sites.google.com/view/carltune-privacy/%ED%99%88](https://sites.google.com/view/carltune-privacy/%ED%99%88)

## Description

CarlTune is a versatile chromatic tuner and metronome designed for musicians of all levels. It captures sound through your microphone, analyzes the pitch, and displays detailed information including frequency, octave, and cent difference for precise tuning. Featuring highly customizable interfaces, users can select colors, notations (US, Europe, Korea, Thailand, Japan, India), and adjust screen orientation for optimal viewing.

CarlTune supports a wide range of instruments from guitars and basses to ukulele, violin, mandolin, and voice. It offers numerous tuning presets and the ability to fine-tune cent values to match standard pitch or custom preferences. Additional features include a pitch pipe with mathematically accurate frequencies, transposition for wind instruments, and a built-in metronome – all accessible for free with optional ad removal via in-app purchase. It’s an essential tool for musicians seeking convenience and precision in tuning and tempo management.

## Rankings

- #55,233 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.RECORD_AUDIO`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.brainting.carltune.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.google.android.gms.permission.AD_ID`

## Review summary

CarlTune is widely praised as a solid tuner with good pitch detection and broad instrument support (sarod, tabla, bells, keyboard). It is repeatedly described as beginner-friendly and easy to use. However, multiple reviewers report intrusive ads that hinder usability, with device-specific stability concerns mentioned by a few. Overall, users appreciate the tuner quality and versatility, while the main drawbacks center on advertising intrusiveness.

### Pros

- Generally praised as a good tuner with accurate pitch for multiple instruments
- Versatile across instruments (sarod, tabla, bells, keyboard)
- Beginner-friendly and easy to use for learning scales/keys
- Widely regarded as a solid tuner with high overall satisfaction

### Cons

- Intrusive advertisements (ads everywhere / too many ads) which detracts from the experience

## Similar extensions and apps

- [Guitar Tuner - Chromatic](https://chrome-stats.com/d/com.tidox.guitartuner.free) — 83 users
- [Guitar Tuner - Chromatic](https://chrome-stats.com/d/com.tidox.guitartuner.premium) — 3 users
- [Instrument Tuner](https://chrome-stats.com/d/com.tooltoolnam.instrument_tuner) — 157 users
- [Tunerly Chromatic](https://chrome-stats.com/d/com.tunerly.chromatic) — 16,856 users
- [MuseTuner: Tuner & Music Tools](https://chrome-stats.com/d/com.toolbone.musetuner) — 1,364 users
- [Good Tunes: Tuner & Metronome](https://chrome-stats.com/d/com.tumekit.goodtunes.play) — 765 users
- [pTune](https://chrome-stats.com/d/app.ptune.android)
- [Chromatic Tuner & Metronome](https://chrome-stats.com/d/com.radiant.chromatic) — 103 users
- [Chromatic Tuner](https://chrome-stats.com/d/com.grodronos.tuner) — 86,235 users, 3.30 / 5
- [Tuner: Guitar & Metronome](https://chrome-stats.com/d/com.cloudcorner.tuner) — 24 users
- [Chromatic Tuner](https://chrome-stats.com/d/dev.arildo.tuner) — 90,550 users, 4.00 / 5
- [Guitar Tuner: Chromatic Pitch](https://chrome-stats.com/d/com.istack.guitar_tuner) — 1,093 users

---

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