TunerBox vs StringTrue
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TunerBox
This app provides a straightforward and efficient way to tune stringed instruments like guitars, basses, and ukuleles. It offers automatic detection of common tunings and a manual mode for precise adjustments, loading instantly for immediate use.
- Instant loading tuner
- Supports common guitar tunings
- Manual tuning mode
- Works with bass and ukulele
- Simple and effective interface
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Simple, effective guitar tuner app for iPhone and iPad. Quick and easy - loads right into a tuner ready to go! Supports all common guitar tunings automatically and a manual mode! Also works with bass and ukulele!
StringTrue
This application provides a precise and user-friendly guitar tuning experience. It offers multiple tuning presets and a chromatic mode for detailed pitch analysis. The app confirms tuning stability with visual, auditory, and haptic feedback.
- Multiple standard and custom tunings
- Chromatic mode with note, octave, and frequency
- Tap-to-lock string detection
- Visual, audio, and haptic tuning confirmation
- Adjustable A4 reference pitch
- Real-time, on-device audio analysis
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StringTrue is a focused, easy-to-use guitar tuner. It starts detecting pitch as soon as you open it — no account, no ads, and no unnecessary setup. Features: - Standard, Drop D, Dsus4, Open G, Open D, and Half Step Down tunings - Chromatic mode with note, octave, frequency, and cents - Tap a string to lock its target; tap it again to return to automatic detection - Sound, animation, and haptic confirmation when stable within ±2 cents - Multiple A4 reference pitches with on-device preference saving - Audio is analyzed in real time only on your device and is never recorded or uploaded
Screenshots
Verdict
The clearest difference is monetization model: StringTrue at free against TunerBox's paid. StringTrue also leads on iOS requirement (17.0 vs 26.0). TunerBox's advantage is update cadence (every 4 days vs every 3 weeks). On price, rating, ratings volume and ads 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for TunerBox against 5.0 for StringTrue. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
TunerBox ships an update every 4 days, StringTrue every 3 weeks. The most recent releases landed on October 15, 2026 and October 29, 2026 respectively.
| Parameter | TunerBox | StringTrue |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Every 4 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 26.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Richard Stokes | 冲 张 |
In-app purchases
TunerBox
No in-app purchases
StringTrue
No in-app purchases
