mlsql VS MobileChords

MobileChords's answer:

The side-by-side view: every chord is shown on guitar AND piano at the same time, with each note color-coded by its harmonic function (root, third, fifth, seventh). Most chord tools cover one instrument; MobileChords treats them as one world, so you learn why a chord is what it is while looking up how to play it. It also works in reverse — tap frets or keys and it names the chord you are playing — and a song matcher shows which songs your current chords already cover. All of it is free, with no account, no ads and no cookies.

MobileChords's answer:

Because the common alternatives each miss something: most chord sites cover only guitar or only piano, bury the chart under ads, or put full access behind a subscription. MobileChords is completely free, shows both instruments at once, plays every voicing out loud, identifies chords in reverse, and spells notes correctly by key context (B-flat major is Bb–D–F, not A#–D–F). If you want tabs and full songs, a tab archive is the better tool — MobileChords is deliberately a chord reference and learning tool, not a tab site.

MobileChords's answer:

Beginner to intermediate guitarists and pianists — especially self-taught players who look up chords while learning songs and want to understand what they are playing, not just copy a diagram. The song matcher is aimed squarely at beginners asking "what can I actually play with the chords I know, and what should I learn next?". The side-by-side view is also useful for music teachers who want to show how the same harmony looks on both instruments.

MobileChords's answer:

MobileChords was built by Enrico Homann, a software architect and guitarist from Mainz, Germany. Playing guitar and a bit of piano, he was annoyed that chord sites treat the two instruments as separate worlds and bury a simple lookup under ads and paywalls — so he built the tool he wanted to use: both instruments side by side, harmony made visible through color, and no monetization getting in the way. It launched in July 2026 as a product of Homann Software, with a hand-built TypeScript chord engine at its core.

MobileChords's answer:

A pure TypeScript chord engine with zero runtime dependencies: guitar voicings are not stored in a database but computed by a depth-first search over fret windows and scored for playability, with hand-curated shapes for the chords players learn first. The site is built with Next.js and Tailwind and served fully statically (550+ prerendered pages) from Vercel. Audio uses the Web Audio API. The engine runs entirely in the browser — there is no backend and no data leaves the page.