Precision Strobe Tuner vs Music Practice Coach
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Precision Strobe Tuner
This app provides a highly sensitive chromatic tuner for musical instruments. It features a radial spectrum display and a classic strobe tuner for precise pitch visualization. Ideal for instrument technicians and musicians seeking accurate tuning.
- Chromatic tuning
- Radial spectrum display
- Classic strobe tuner
- Programmable temperament function
- Piano tuning functions
- String inharmonicity characterization
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Precision Strobe Tuner 2.0 A General Purpose Chromatic Musical Instrument Tuner App with special Temperament and Piano Tuning Functions. The PST combines a radial Spectrum Display with a classic Strobe Tuner and Note Dial for an ultimate visualization of pitch and tone. The Strobe Display is highly sensitive with response speed that is practically instantaneous and has long been the preferred tool for piano tuners and instrument technicians. The central Spectrum Display shows the input spectrum wrapped around the Display, with each Octave drawn in a separate color. The Note Dial is marked like a clock with the twelve notes of the Scale. All overtones of the input are shown as peaks in the Spectrum Display pointing towards their corresponding Notes. The Fundamental Indicator Tic on the Spectrum Display shows the Note of the Fundamental along the Note Dial, with the color designating the Octave. Use the Spectrum Display for coarse adjustment by tuning the Fundamental to the center of the desired Note Indicator. As the input approaches the desired Note, a Two Group pinwheel pattern becomes visible rotating in the Strobe Display. Fine tuning is accomplished by adjusting to stop rotation. The Strobe Display responds instantaneously to changes in pitch and is extremely sensitive. The outside Strobe Display works just like a classic rotating disk strobe tuner. The Two-Group pattern rotates CCW when the input is flat, and CW when sharp. When the rotation is stopped, the note is in tune. The previews show a general strobe display demonstration, an example of using the calibration function to measure the accuracy of a tuning fork and an example of guitar string tuning. The first screenshot shows the display tuning a Guitar Low E string. The Fundamental appears as an Orange peak in the Spectrum Display. This string rings bright, so the overtones are also dominant in the Display. The second screenshot shows the display for an E 440 Tuning Fork with the Calibration Dial enabled and adjusted. This Fork is 2.9 cent Flat. The PST also includes a Programmable Temperament Function with 5 user definable banks. The third screenshot shows an example of a Temperament Bank set up to a typical Piano Stretch Curve. This can also be used for tuning alternate temperaments, pedal steel guitar setups, or special guitar intonation systems. In addition, there are several Special Measurement Banks used for String Inharmonicity characterization and Piano Stretch Curve Estimation. Individual strings can be characterized by measuring the Fundamental and 2nd Harmonic separately. By careful selection of a few representative measurement points, a reasonable smooth fit Piano Stretch Curve can be generated. Any number of measurements can be used. The final screenshot shows the Input Signal Scope/Spectrum Display Page. The Detailed Operation Manual can be viewed here: www.precisionstrobe.com
Music Practice Coach
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Music Practice Coach turns a vague "go practice" into a plan you can follow. A plan is a sequence of steps. Each one does a single job: a timed instruction, a metronome at a set tempo, a passage of sheet music to read, or a loop of a recording slowed down until it is playable. You work through them in order, and the app keeps time. WHAT A STEP CAN BE • Instruction — text to read, with an optional tuner for tuning up • Timed — a countdown, with a metronome if you want one • Tempo ramp — the metronome steps up from a starting tempo to a target, cycle by cycle • Score — sheet music on screen with a countdown, and a metronome or a tempo ramp • Audio, video, or MIDI loop — set A and B points and repeat that passage, at any speed • Loop plus score — the recording and the sheet music side by side • YouTube — practice along with a video, with speed control and loop points THE MUSIC SCROLLS ITSELF Set a scrolling speed and the score moves while your hands stay on the instrument. It works on an ordinary PDF, page after page. Or turn on Prima Vista, which reflows the score into one continuous ribbon of systems, so a page turn never lands in the middle of a phrase. Go full screen, and if a page is read wrongly, say how many systems it has — the correction is kept. SLOW IT DOWN, KEEP THE PITCH Audio loops play from 30% to 200% speed without the pitch shifting, so a fast passage stays in tune while you learn it. Pitch shifts separately, in semitones or five-cent steps, which is fine enough for quarter tones and for matching an instrument tuned to something other than A440. A SPEED RAMP THAT DOES THE WORK Set a starting speed and a target and the plan advances through the stages as you play, which is the part people skip when practising alone. METRONOME AND TUNER, ALWAYS THERE A full metronome — any meter, per-beat accents, adjustable subdivisions — and a chromatic tuner with an adjustable A4 reference and a drone. Both work on their own, without a plan. MARK UP THE MUSIC Write on a score with an Apple Pencil — fingerings, bowings, the bar you keep missing. The markings belong to the file rather than the plan, so they are there again the next time any plan uses that score. FOR TEACHERS Build a plan, and share it as a package with everything it needs: the plan, the recordings, the scores. Students open it and practise exactly what you set. You can publish a catalog of plans your students install in one tap, and lock the media with a code if the recordings are not yours to give away. YOUR FILES STAY YOURS Everything lives in a folder you choose. No account, no sign-in, no subscription, no ads, and nothing is uploaded anywhere. The Mac and iPad apps read the same folder, and there is a web version for everything else. Free, with no in-app purchases.
Screenshots
Verdict
The clearest difference is price: Music Practice Coach at Free against Precision Strobe Tuner's $9.99. Music Practice Coach also leads on update cadence (fortnightly vs every 4 months) and rating (5.0 vs 4.6). Precision Strobe Tuner's advantage is ratings volume (56 vs 4) and iOS requirement (12.0 vs 18.0). On ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Music Practice Coach is free to download; Precision Strobe Tuner costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Music Practice Coach holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Precision Strobe Tuner has 56 ratings behind it against 4, so its average is the more settled of the two.
Precision Strobe Tuner ships an update every 4 months, Music Practice Coach fortnightly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | Precision Strobe Tuner | Music Practice Coach |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 4.6 (56 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 79.1% of reviews | — |
| Number of ratings | 56 — better | 4 |
| Update frequency | Every 4 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 2 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Jim Campbell | CONSTANTINE M CARAMANIS |
In-app purchases
Precision Strobe Tuner
No in-app purchases
Music Practice Coach
No in-app purchases
Questions
Is Precision Strobe Tuner free?
Is Music Practice Coach free?
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