# ToneLens

> Guitar Chords in Real Time

Canonical page: [https://chrome-stats.com/d/id6761526850](https://chrome-stats.com/d/id6761526850)

## Overview

- **ID:** `id6761526850`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Visto Engineering Sa
- **Category:** Entertainment
- **Version:** 1.1.0
- **Last updated:** 2026-05-29
- **First published:** 2026-04-17
- **Size:** 10 MB
- **Data as of:** 2026-09-24
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/tonelens/id6761526850)
- **Privacy policy:** [https://visto.group/applications-privacy-policy/](https://visto.group/applications-privacy-policy/)

## Description

ToneLens listens to music playing around you and instantly detects chords, key, and scale, displaying everything in real time on an interactive guitar fretboard.

Whether you're jamming along to your favorite songs, learning new progressions, or improvising solos, ToneLens is your real-time companion.

REAL-TIME CHORD DETECTION
Play any music nearby, a speaker, a friend's guitar, a song on your phone. ToneLens uses your microphone to analyze the audio as it plays. No internet needed. Everything happens on your device, instantly.

KNOW WHERE TO PLAY
Notes light up on the fretboard exactly where your fingers should go. Five display modes adapt to your level:
- Chord: The shape under your fingers, on the fretboard
- Pentatonic: The 5 notes that always work
- Triad: The three notes of the chord
- CAGED: Box positions with ghost strings
- Scale: Full scale with chord tones emphasized

PREDICT THE NEXT CHORD
See what's coming before it happens. ToneLens analyzes the progression and shows the predicted next chord so you're never late.

FREQUENCY FILTERS
Playing along to a full band? Filter what you hear:
- Bass strings (5-6): Follow the rhythm
- Mid strings (3-4): Follow the chords
- Treble strings (1-2): Follow the melody

NO SUBSCRIPTION
Try every feature free for 7 days. Then one single purchase unlocks everything forever. No monthly fee. No yearly renewal.

PRIVACY
Your music stays yours. 100% on-device processing. No audio is ever recorded or sent anywhere. No account needed. No tracking, no ads.

## Rankings

- #1,593,887 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6761526850)