Guitar Tuner vs StringLab
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Guitar Tuner
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Tunify is the guitar tuner that gives you every tuning for free, for every instrument, with accurate on-device pitch detection and a built-in metronome. Most tuners lock alternate tunings behind a subscription or only support 6-string guitars. Tunify does not. Standard, drop, open, half and whole-step, 7- and 8-string, bass, ukulele, and fully custom tunings are all here, all free, with no account and no sign-up. ALL TUNINGS, FREE - Standard EADGBE plus Drop D, Drop C, Drop B, DADGAD, and Open G/D/E/A/C - Half-step and whole-step down - 7-string and 8-string sets for extended-range players - Bass (4, 5, 6 string) and ukulele (standard GCEA, baritone) - Build and save your own custom tunings, string by string ACCURATE, ON-DEVICE TUNING - Time-domain pitch detection locks onto the true fundamental, reliable even on low strings - Tunes to within about one cent - Guided tuning: a string locks only once you hold it in tune, so a note swinging past never counts - Strobe view for fine-tuning: the stripes drift while you are off pitch and stand still in tune - Pitch detection runs entirely on your device - tune anywhere, even with no internet connection - Auto, manual, and chromatic modes - Adjustable A4 reference from 415 to 466 Hz A CALM, BEAUTIFUL TUNER - A 270° ring with a green in-tune zone, and a hint that tells you which way to turn the peg - String pegs that show which strings are tuned, and a celebration when all of them are - Light and dark themes, and full support for large text BUILT-IN METRONOME, ALSO FREE - 20 to 300 BPM with a dial, tap tempo, and fine adjustment - Every click lands exactly on time, so the tempo never drifts, and it keeps time with the screen off - A steadier tap tempo that follows your last few taps - Time signatures, subdivisions, and accent on the first beat - Setlists: save each song's tempo and time signature, then load it in one tap - Speed trainer: start slower and get faster every few bars up to your target tempo, kept for good with one short video - Flash and vibration beat modes for loud rooms and silent practice - Optional premium click sounds, unlocked with one short video PRACTICE - Practice minutes count themselves while you tune and play with the metronome - A weekly goal ring with a bar for each day, and your day streak - Keeps track of when you last changed strings and tells you when a new set is due REFERENCE TONES - Pluck a clean reference pitch for any string, or hold it as a steady drone to tune by ear - Strum every string of your tuning, low to high DESIGNED FOR EVERYONE - Spoken pitch feedback and haptic guidance to tune by feel, eyes-free - Large-text, high-contrast tuner mode - Full screen-reader support and large tap targets PRIVACY FIRST No account, no sign-up. Your tunings, settings and practice log stay on your device. The tuner, every tuning and the metronome are free, with ads. Download Tunify and tune up!
StringLab
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StringLab is a fast, accurate tuner for guitar, bass, and ukulele players who care about getting it exactly right. Play a string and StringLab instantly locks onto the note — it automatically detects which string you're tuning and shows you precisely how far off you are and which way to turn the peg. No menus, no tapping between strings. Just tune. FEATURES • Automatic string detection — play any string and StringLab finds it • Guitar, bass, and ukulele tuning libraries — standard, drop, open, and alternate tunings • Chromatic mode — tune any instrument to any note, free • Custom tunings — save your own and recall them instantly • Instrument rigs — keep multiple setups ready and switch in one tap • Adjustable reference pitch (A4 calibration) • Virtual capo — transpose your target tuning up or down by semitones • Clean, readable gauges in several styles • Built-in pitch pipe • Light and dark themes STRINGLAB PRO — one-time purchase, no subscription ever • The complete tuning library for every instrument • Premium gauge styles: Target, Precision, Trail, Dials, and Pulse • Metronome and a custom theme editor • Unlimited custom tunings and saved instrument rigs • Extended transpose range Tune up. Play in tune. StringLab.
Screenshots
Verdict
The clearest difference is in-app purchases: Guitar Tuner at none against StringLab's 1. StringLab's advantage is update cadence (every 9 days vs monthly). On price, ads, device support and iOS requirement 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. StringLab sells 1 one-off in-app purchase. Guitar Tuner asks for nothing beyond the download.
Guitar Tuner ships an update monthly, StringLab every 9 days. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.
| Parameter | Guitar Tuner | StringLab |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 46 MB | 60 MB |
| Age rating | 4+ | 4+ |
| Developer | Gunawan Santoso | ZapArc |
In-app purchases
Guitar Tuner
No in-app purchases
StringLab
- StringLab Pro$9.99








