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Card 357 of 9982026-08-21 issue

Observed arrival · 2026-08-21

Guitalele, the tuner that listens

guitalele.app Observed source
Editorial interest 84/100 Selection signal · not a rating of the site

A free Catalan-language guitalele tuner, chord checker, practice game, and song guide that runs offline in the browser.

Landing page captured for the 2026-08-21 issue.

Why it surfaced

This unusually focused tool uses the microphone to identify notes and verify chords, while keeping the audio on the device. It also turns practice into a timed game: play 20 chords in 40 seconds to unlock the next level.

A free Catalan-language guitalele tuner, chord checker, practice game, and song guide that runs offline in the browser.

Observed signals

Read the marks

Editorial observations of this landing page, not a rating.

OpenPublic substance visible
PrettyNotable craft visible
ProPolished or operationally mature
NicheUnusually specific use

One card from the complete issue

The Missing Knob Bulletin

359,677 arrived 1,000 judged 998 catalogued Enter the complete issue
guitalele.app

Landing page observed 2026-08-21. The live site may have changed.