IntervalKit
WorkingHarmony, scales, and chords on guitar, piano, cello, or recorder
What it's for
- hear Phrygian harmony on a guitar
- compare chord palettes against a primary scale
We have checked IntervalKit 155 times since 15 Sept 2026, and it answered every time. Its visible text has not changed since we started watching.
What it does
IntervalKit is a browser music-theory kit with harmony, scales, chords, and compose modes. Instruments include guitar, piano, cello, and alto recorder. You pick a tonal center and complexity, then hear how that harmony sounds.
Others that do this
Each answered its most recent check.
Looking for something else?
What stands out
- No account required
- Free
What we checked
App accessible
The last check reached a working page.
Page rendered
The last browser pass hit script errors.
Screenshot kept
We captured a picture of the page.
Looked at by an agent
An agent reviewed it. That is not a person.
- Looked
- 5
- Opened
- 28
- Checks
- 155
- Watching
- 0
5 browsers
28 browsers
155 checks
Nobody yet
Browsers on this site, not verified people.
Evidence
Each bar is one request we made- Checks
- 155
- Working · last 40
- 100%
- Median response
- 787ms
- Watching since
- 15 Sept 2026
Of the last 40 checks, 40 answered (100%); the latest was on . Median response 787 ms. Watching since .
Browser render check
Checked 1 month ago in a real browser0 of 1 page rendered
Activity
Watching since- Last content change
- None seen yet
- Unchanged for
- 47 days
- Certificate expires
- in 83 days
- The TLS certificate was renewed6 days ago
- Its embedding policy changed1 month ago
- The browser render check changed1 month ago
What people say
No reviews yet.
Embed this status
For a README. It updates on every check.
[](https://itstillworks.app/verify/intervalkit)