Stringflo vs String Tuner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Stringflo
Master the guitar fretboard with interactive note training, real-time pitch detection, and comprehensive theory tools. Practice with customizable challenges, visualize note positions, and track your progress to build fluency and deepen your understanding of the instrument.
- Randomized note challenges
- Real-time pitch feedback
- Fretboard visualization
- Customizable practice sessions
- Built-in tuner
- Chord and scale theory tools
- Progress tracking
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Stringflo: Master the Guitar Fretboard Stringflo helps guitarists build real fretboard fluency through interactive note training, real-time pitch detection, theory tools, tuning support, and visual progress tracking. Practice with randomized note challenges, get instant feedback as you play, reveal fretboard positions when you need help, and customize your sessions by string, note, and sensitivity level. Then go deeper with built-in theory tools for chords, scales, CAGED shapes, intervals, fret numbers, and full-neck maps. Key Features • Randomized Note Challenges: Build fretboard fluency with dynamic practice prompts • Real-Time Pitch Feedback: Instantly see whether you’re playing the correct note • Fretboard Visualization: Reveal note positions and reinforce spatial memory • Customizable Practice: Select the exact strings and notes you want to train • Built-In Tuner: Tune and monitor pitch directly in the app • Theory Tools: Explore chords, scales, CAGED forms, intervals, notes, and fret numbers • Full Neck Maps: Study patterns across the fretboard with clear visual diagrams • Progress Tracking: Monitor practice history, speed, and consistency over time • Adaptive Sensitivity: Adjust pitch detection for different playing environments • Minimal Interface: Designed for clarity, focus, and fast learning Stringflo combines repetition, ear training, real-time feedback, and visual reinforcement to help you recognize notes faster and understand the fretboard more deeply. Whether you’re learning your first positions or refining advanced fretboard knowledge, Stringflo gives you focused tools for smarter practice.
String Tuner
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A tuner that stays calm on a bowed note. Violin, viola, cello and double bass — plus 43 more instruments, a drone, a metronome and an intonation trainer. Free, offline, no ads. BUILT FOR BOWED STRINGS • A detector made for arco tone: rich harmonics, vibrato and low strings included. The needle holds still and tells you exactly how many cents to go, instead of chasing your bow. • A reference tone on every string — hear it, match it, tune by ear the way you do in a lesson. • Reference pitch from 392 to 466 Hz, with one tap for baroque 415, orchestra 442 and 443. • Scordatura presets, Pythagorean fifths and just intonation for open strings that ring. • Fiddle cross-tunings: AEAE, ADAE and GDGD. 47 INSTRUMENTS, ONE TUNER • Bowed: violin, viola, cello, double bass, fiddle, carnatic violin, kemençe • Plucked: guitar, 12-string, bass guitar in 4 and 5 string, ukulele, mandolin, banjo, lyre • World: oud, bouzouki, balalaika, domra, bağlama, kalimba, erhu, guzheng, koto, shamisen, sanshin, charango, cavaquinho, viola caipira, bajo quinto, bajo sexto, bandurria • Wind: flute, oboe, clarinet, trumpet, horn, alto and tenor sax, trombone, euphonium, tuba — reading written pitch, so a clarinet sees its own C • Voice, with a vocal range finder PRACTICE, NOT JUST TUNING • Drone in any key: unison, fifth, octave, major and minor, in cello, organ, reed, strings, sine, tuning fork and tanpura voices. • Tanpura and shruti box for Indian classical riyaz, with sargam notation and a Sa you choose. • Metronome with subdivisions, accents, tap tempo and a beat you can see. • Intonation trainer: the drone plays, you play a scale, and a heatmap shows which notes ran sharp or flat. • Tuning fork and pitch pipe across two octaves, at your own reference pitch. FOR THE MUSIC STAND AND THE CLASSROOM • Stand mode: huge colours you can read from across the room, screen kept awake and bright. • Teacher mode: lock the pitch, instrument and tuning, then hand the whole class the same setup as a QR code. • Apple Watch app and a home screen widget for a tune-up in one tap. • Three looks, including a playful one for young beginners. PRIVATE BY DESIGN The microphone is analysed live and never recorded. No account, no sign-in, no analytics, no servers. The app does everything on your device and works in flight mode. Nothing is locked, nothing expires, and there is nothing to buy. Every instrument, every tuning, every tool.
Screenshots
Verdict
The clearest difference is in-app purchases: String Tuner at none against Stringflo's 2. String Tuner also leads on device support (4 vs 2) and iOS requirement (15.0 vs 18.2). On price 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. Stringflo sells 2 in-app purchases, starting at $0.99 per month. String Tuner asks for nothing beyond the download.
| Parameter | Stringflo | String Tuner |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 18.2 | 15.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | Oshry Ben-Harush | lapnito.cz s.r.o. |
In-app purchases
Stringflo
- Monthly subscription$0.991 Month
- Monthly subscription3 Days trial$0.991 Month
String Tuner
No in-app purchases









