GuitarTuner.io

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

GuitarTuner.io is ranked #5 of 32 in musical tuner apps on Inferse. It runs on Android, iOS, macOS, Web, Windows. There is a free plan.

Compared on musical tuner apps

Free plan: Yesguitartuner.io
Alternate tunings: Yesguitartuner.io
Offline mode: Yesguitartuner.io
Available platforms: bothguitartuner.io

Facts

Purpose: GuitarTuner.io is a free online tuner that uses a browser microphone to tune acoustic guitar, electric guitar, and bass.guitartuner.io · 30 Sept 2026
Tuning options: The site lists 69 free tuners across standard, drop, open, modal, bass, ukulele, mandolin, banjo, and extended-range tunings.guitartuner.io · 30 Sept 2026
Custom tunings: Users can create a custom tuning with any number of strings and notes.guitartuner.io · 30 Sept 2026
Pitch detection: The tuner detects pitch in real time and indicates whether a note is sharp, flat, or in tune.guitartuner.io · 30 Sept 2026
Audio processing: The site says microphone audio is processed in the browser to provide tuning feedback.guitartuner.io · 30 Sept 2026
Installable web app: The tuner is a Progressive Web App that can be installed from a browser without an app store download.guitartuner.io · 30 Sept 2026
Offline use: The install page says the app works offline once installed and cached.guitartuner.io · 30 Sept 2026
Supported devices: The install page lists iPhone, Android, Windows, Mac, and Chromebook devices with a modern browser and microphone.guitartuner.io · 30 Sept 2026
Practice tools: The site also offers a chord library with interactive diagrams and audio playback, plus a metronome with adjustable tempo, time signatures, and visual feedback.guitartuner.io · 30 Sept 2026
Account requirement: The browser tuner is free to use without an account, paid upgrade, or app download.guitartuner.io · 30 Sept 2026
Native app status: A native iPhone and Android Pro app is only a demand test and is not yet available to buy.guitartuner.io · 30 Sept 2026
Affiliate disclosure: The site says it earns a commission if users sign up for its linked Guitar Tricks offer, at no extra cost to them.guitartuner.io · 30 Sept 2026
Maker: The site identifies John Sorrentino as its creator.guitartuner.io · 30 Sept 2026
Company details: The opened maker pages identify the creator but do not state a headquarters or founding year.guitartuner.io · 30 Sept 2026