They focus on pitch only
A simple tuner can find a note, but that is not the same as supporting full acoustic piano workflow.
Buying-decision guide
Best ETD for piano tuning.
The best ETD for piano tuning does more than detect pitch. It gives readable live feedback, helps you work with stretch behavior on real acoustic pianos, and keeps useful session records for repeat visits.
What the best piano tuning ETD should do
- Give stable live note and cents feedback while you work.
- Support stretch-aware workflow for real acoustic pianos.
- Help you inspect inharmonicity instead of assuming one generic curve.
- Store piano profiles and session context for repeat service.
- Export useful records when you need documentation after the visit.
Why generic tuners often fall short
They ignore piano behavior
Real strings introduce inharmonicity, which changes how intervals and octaves need to be treated.
They leave no service record
On repeat visits, saved piano context and reports matter as much as the initial measurement.
Where Tempera fits as an ETD
- Live strobe-style feedback with note and cents display.
- Sampling workflow to build a piano-specific stretch curve.
- Lab views for inharmonicity and tuning analysis.
- Library for saved piano sessions and records.
- PDF report export when you want cleaner documentation.
Frequently asked questions
What does ETD mean in piano tuning?
ETD stands for electronic tuning device, a tool that helps measure and guide tuning targets during acoustic piano service.
Is the best ETD always the most complex one?
No. The best tool is the one that supports accurate live work, stretch context, and repeatable records without slowing you down.
Can an iPhone app work as a piano tuning ETD?
Yes, if it is built for acoustic piano workflow rather than generic instrument tuning.
Use Tempera as a workflow-focused piano tuning ETD.
Install Piano Tuner : Tempera if you want live tuning feedback, stretch sampling, and saved session records in one iPhone workflow.