Is your piano in tune?

PianoAudit listens while you play every key, maps your piano against its ideal tuning curve, and answers in plain language — from “in good tune” to “this needs a pitch raise.”

Coming soon to theApp Store

A complete piano diagnostic, free

No account, no ads, nothing leaves your device. Play the keys; PianoAudit does the rest.

Measure all 88 notes

Real-time pitch measurement built for pianos — inharmonicity and all. Watch each key land on the graph as you play it.

See the tuning curve

Your piano against its own ideal stretch curve, with the acceptable band drawn in. Pinch to zoom into any register.

Get a straight answer

“In good tune — no service needed.” “A pitch raise plus tuning is recommended.” Plain language, backed by the numbers.

PianoAudit start screen
Simple from the first screen
Tuning report with verdict and graph
The verdict, the graph, the evidence
Before and after comparison overlay
Before and after, overlaid

For piano technicians

PianoAudit Pro turns the measurement you'd take anyway into a customer deliverable: a one-page before/after tuning report with your business name on it, ready to send minutes after the appointment. Document the work, justify the pitch raise, build trust — whatever ETD you tune with.

Sample before/after customer tuning report PDF
An actual PianoAudit Pro customer report (sample data)

Pricing

The free version is a complete diagnostic — measure a piano, understand it, share a report. Paid tiers add memory, comparison, and the professional workflow.

Free

for every piano owner
$0
  • Measure all 88 notes
  • Tuning curve & live graph
  • Plain-language verdict
  • Assessment PDF export
  • One piano, two saved sessions

Plus

for owners & teachers
$14.99 one time
  • Everything in Free
  • Two pianos
  • Unlimited session history
  • Compare sessions on one graph

Pro

for piano technicians
$34.99/year or $149.99 lifetime
  • Everything in Plus
  • Unlimited pianos
  • Before/after customer reports (PDF)
  • Your business branding on reports