JustATuner
JustATuner: A deep, free tuner for desktop musicians working beyond basic pitch matching. Ranked #5 of 32 in Musical Tuner Apps by our editors (7.4/10); pricing: Free plan; best for desktop users exploring advanced intonation.
At a glance
- Editor score7.4 / 10
- PricingFree plan
- Best forDesktop users exploring advanced intonation
- Free planYes
- Paid fromNone
- Strobe displayYes
- Facts checked21 Sep 2026
Where it wins
- 12-wheel chromatic stroboscopic tuner with live cents readout
- Just-intonation drones with selectable roots, voicings, and sounds
- Free, open-source support for Windows, macOS, and Linux
Where it doesn't
- Desktop-only coverage excludes phone and tablet tuning
- The broad visualizer set may feel excessive for basic tuning
- Advanced bias and transposition controls require focused setup
Our verdict on JustATuner
JustATuner is a free, open-source desktop tuner for musicians who want more than a basic pitch indicator. Its core is a 12-wheel chromatic stroboscopic tuner, supported by configurable reference pitch, transposition for concert, B♭, E♭, and F, and per-wheel or per-octave cents bias. It is available for Windows, Apple Silicon macOS, and Linux, making it a fit for musicians practicing or analyzing intonation at a computer. The product is less suited to players looking for a quick mobile tuning app.
Its strongest area is advanced intonation work. JustATuner combines live interval analysis, cents readout, and a locked indicator with a just-intonation drone that offers selectable roots, voicings, interval meters, and sine, harmonic-stack, or WAV-sample sounds. The configurable A=440, 441, and 442 Hz reference pitches add useful flexibility for different rehearsal and performance contexts. Per-wheel and per-octave bias controls further support users who want to examine tuning relationships rather than simply match a note.
The visual side is unusually broad for a tuner, with Lissajous, waveform, spectrum, waterfall, warp, and garden visualizers. That breadth gives advanced users several ways to interpret pitch and sound, although it can be more than a beginner needs for straightforward tuning. The main tradeoff is platform scope: JustATuner requires a Windows, macOS, or Linux computer, so it is not a choice for phone- or tablet-based practice. Choose it for desktop-based exploration of stroboscopic tuning, drones, and interval behavior; choose a simpler alternative if minimal controls or mobile access matter more.
JustATuner pricing
JustATuner fact sheet
| Free plan | Yes |
|---|---|
| Paid from | None |
| Strobe display | Yes |
| Alternate tunings | Not verified |
| Custom reference pitch | Yes |
| Intonation monitoring | Yes |
| Offline mode | Not verified |
| Available platforms | Desktop |
| Deployment | Desktop |
| Platforms | Windows, macOS, Linux |
| Support | |
| Built for | Solo (editorial estimate) |
| Pricing | Free plan |
| Website | stohrermusic.com |
| Facts checked | 21 Sep 2026 |
Alternatives to JustATuner
- TonalEnergy Tuner & MetronomeA paid, feature-rich practice tuner for musicians who need more than pitch detection.9.3
- CenterlineA capable free tuner with strong guitar workflows and offline analysis.8.8
- Airyware TunerA deep, multi-platform tuner for players who need broad instrument and tuning coverage.7.8
See all JustATuner alternatives →
JustATuner vs the competition
- JustATuner vs TonalEnergy Tuner & Metronome
- JustATuner vs Centerline
- JustATuner vs Airyware Tuner
- JustATuner vs ChromTuner
- JustATuner vs n-Track Tuner
- JustATuner vs Nembrini Audio Chromatic Tuner
Compare JustATuner with any tool side by side →
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Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
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