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HitJam Piano

Chois Music, Inc. v1.0.1

Play chords, scales and songs

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Description

From the marketplace listing

A real grand piano you can play right in the chat. Ask for any chord (C, Am7, Bbmaj7, F/A and more) or scale (major, minor, pentatonic, blues and the modes) and HitJam lights up the right keys, spelled the way a musician would write them. Press Play to hear it, tap the keys, or play along with your computer keyboard: every key shows the letter that plays it. Learning a song? HitJam teaches public-domain classics note by note: the next key glows and waits for you, with right hand, left hand and both hands to work up through. The sound is a recorded concert grand, played on your own device. No account, no ads, and nothing you play is sent anywhere. Want the full instrument, other sounds or your MIDI keyboard? Open hitjam.io. Piano samples: Salamander Grand Piano V3 by Alexander Holm, licensed CC BY 3.0 (https://creativecommons.org/licenses/by/3.0/).

Language: English · Automatically detected from descriptions.

What changed

HitJam Piano

Oct 27, 2026 · 1 saved observations

Metadata · Oct 27, 2026 · 00:50 UTC · Compared with Oct 24, 2026 · 13:36 UTC

WHAT CHANGED

Package or technical metadata updated

Package or technical metadata updated

Observed in package metadata. These changes alone do not establish a new customer-facing feature.

Open full comparison.

Is v2 template

Before

Oct 24, 2026 · 13:36 UTC

Not present

After

Oct 27, 2026 · 00:50 UTC

false

Metadata: full comparison →

Competitor profile

From the developer’s listing and package; capabilities are not independently tested. Package observed Nov 3, 2026.

Declared capabilities

  • Interactive piano
  • Chords and scales
  • Song lessons

Declared limitations

  • Copyrighted song: the plugin only teaches its public-domain songs, so ChatGPT says this song is not available and offers one of them (or explains the chords in text). No copyrighted melody is shown.
  • Unreadable chord symbol: show_piano_chord returns an error explaining the symbol can't be read and suggesting standard symbols (C, Am, G7, Fmaj7, Dm7b5, C/G). No piano with wrong keys is shown.
  • Unrelated request: the plugin is not called.

Review scenarios; not an exhaustive list.

Cost & access

Pricing and account requirements have not been established from the available package declarations. Unknown pricing does not mean free access.

Starter prompt

Show me a C minor 7 chord on the piano

View package source →

Files & skills

File archives

Plugin package5 files · 621 KBBrowse files →

Release notes

Cleaner app icon (the old one had a black edge) and a new banner picture on the piano card, matching hitjam.io. No change to tools or behaviour.

Declared in the saved package. Remote tools may change independently.

Package details

Publisher declarations from the archived package. These are separate from our research and the live service's terms.

Package author
Chois Music, Inc.
Review scenarios
5 positive · 3 negativeScenario counts, not test results.

Declared capabilities

  • Interactive piano
  • Chords and scales
  • Song lessons

Package observed Nov 3, 2026.

Technical details
First seen
Oct 24, 2026 · 12:40 UTC
Last seen
Nov 3, 2026 · 18:00 UTC
Collection status
Collected

plugin_asdk_app_6ac06dc5518881918c782b83a66e5124

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