Comparison

Pro Guitar Tuner vs OzmiraTuner

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Pro Guitar Tuner

This app provides precise, real-time tuning for a wide variety of stringed instruments. It offers numerous custom tunings, an intuitive interface with visual feedback, and high-quality audio samples for ear training. Users can save favorite tunings for quick access.

Highlights
  • Real-time chromatic tuning
  • Supports over 200 custom tunings
  • Vast library of stringed instruments
  • Intuitive interface with visual feedback
  • High-quality instrument samples
  • Save favorite tunings
Features
Read full description

The guitar tuner app used by professional guitar makers, guitar repair shops and musicians around the world. The app listen and analyze the sound in real time from the built-in mic, headset, guitar clip on or from any other external microphone. It is so accurate that it will be your best friend for guitar intonation! Because Pro Guitar Tuner is chromatic you can tune most types of stringed instruments. High-quality samples of real instruments are also accessible (i.e. tune by ear if preferred!). A massive library of different tunings for guitar, bass, balalaika, violin, ukulele and more makes it easy to find more qualities and characteristics from your instrument. The interface: To make it more intuitive, we give you information about the current pitch in many different ways: *Cents for the current pitch *A red/green light indicating the closest pitch *A note wheel corresponding to the chromatic scale *A fretboard with the current tuning setting displayed Standard guitar is set as default but the guitar tuner can be used to tune many different instruments, such as: *Guitars - Standard, 4-string, 5-string, 7-string, 8-string , 9-string, 10-string, 11-string, 12-string, and 13-string guitar *Bass guitars - Standard, 5-string bass and 6-string bass *Ukuleles - std (Soprano), Pocket, Concert, Tenor, Baritone, Bass, and Contrabass *Banjo - 4-string, 5-string, 6-string *Mandolin family - Mandolin (Soprano), Piccolo, Mandola (alto), Octave Mandolin (tenor), Mandocello (Baritone), Mandobass, Irish Bouzouki, Cittern, and Greek Bouzouki *Violin family - Violin, Viola, Cello (violoncello), Double bass and 5-string Double bass *Balalaika family - Prima, Piccolo, Secunda, Alto, Tenor, Bass and Contrabass After you have selected an instrument you choose a specific tuning. The app provides you with over 200 custom tunings. The tuning options are divided into groups to make them easier to find. For guitar, the categories are: *General tunings *Raised tunings *Lowered tunings *Dropped tunings *Double dropped tunings *Major open tunings *Minor open tunings (cross-note) *Modal tunings *Miscellaneous tunings If you have certain tunings that you often use, you can save them as favorites. This gives you easy access to them under favorite tunings. In the app, you can choose to subscribe to Pro Guitar Tuner Premium. It´s a monthly subscription that gives you the following features: *No Ads *All Tunings *All Instruments *Extra Settings Privacy Policy: https://www.proguitar.com/about/policies/privacy Terms of Service: https://www.proguitar.com/about/policies/terms

About

OzmiraTuner

Features
Read full description

Ozmira Tuner es un afinador cromático de precisión profesional para cuerdas, viento y cualquier instrumento. Muestra la nota, la desviación en cents y la frecuencia en tiempo real, con exactitud sub-cent en tonos sostenidos: la misma técnica de los afinadores estrobo. Todo el procesamiento ocurre en tu dispositivo. El micrófono nunca graba ni envía audio a ningún servidor. GRATIS • Modo cromático y presets para violín, viola, cello, guitarra, bajo y ukelele • Precisión strobe sub-cent • Medidor de aguja • Nomenclatura C-D-E, Do-Re-Mi o alemana (con H) • Calibración estándar A440 y tolerancias Relajada/Estándar OZMIRA PRO - compra única, sin suscripción • Transposición Bb / Eb / F para instrumentos transpositores • Calibración A4 de 432 a 444 Hz • Tono de referencia (drone) para afinar de oído • Medidores Arco y Diana • Tolerancia estricta de 1 cent para grabación y estudio • Afinaciones alternas (Drop D, DADGAD, Open G/D...) y editor de afinaciones personalizadas • Temas de color Una sola compra, tuya para siempre. Sin anuncios. Sin suscripciones. Sin recolección de datos.

Screenshots

Pro Guitar Tuner4 screens
OzmiraTuner4 screens

Verdict

The call

The clearest difference is ads: OzmiraTuner at none against Pro Guitar Tuner's shown. OzmiraTuner also leads on update cadence (every 5 days vs monthly). Pro Guitar Tuner's advantage is iOS requirement (15.0 vs 17.0). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Pro Guitar Tuner sells 5 in-app purchases, starting at $2.99 per month and OzmiraTuner sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Pro Guitar Tuner ships an update monthly, OzmiraTuner every 5 days. The most recent releases landed on November 10, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
Pro Guitar Tuner versus OzmiraTuner: the parameters behind the verdict, then further details
ParameterPro Guitar TunerOzmiraTuner
PriceFreeFree
Rating4.7 (10K ratings) — better—
Positive reviews64.9% of reviews—
Number of ratings10K — better—
Update frequencyMonthlyEvery 5 days — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size47 MB3 MB
Age rating4+4+
DeveloperPro Guitar Sweden ABJuan Ozuna

Bugs and requests

Pro Guitar Tuner

Reported bugs

3 issues
  • App crashes when changing tuning modes
  • Tuner not responding to some strings
  • Microphone not working on certain devices

Requested features

4 requests
  • Custom tuning options
  • Support for more instrument types
  • Landscape mode support
  • Ability to save tuning profiles

OzmiraTuner

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Pro Guitar Tuner

Subscriptions4
  • Pro Guitar Tuner Premium$2.991 Month
  • Premium Membership$24.991 Month
  • Pro Guitar Tuner Premium3 Days trial$24.991 Year
Show 1 more
  • ProGuitar Academy7 Days trial$79.991 Year
One-time1
  • Premium Tuner$59.99
1 purchases

OzmiraTuner

One-time1
  • Ozmira Pro$5.99

Questions

Is Pro Guitar Tuner free?
Pro Guitar Tuner is free to download, with in-app purchases available.
Is OzmiraTuner free?
OzmiraTuner is free to download, with in-app purchases available.
Do Pro Guitar Tuner or OzmiraTuner have ads?
Pro Guitar Tuner shows ads; OzmiraTuner does not.
Which is updated more often, Pro Guitar Tuner or OzmiraTuner?
Pro Guitar Tuner ships an update monthly, and OzmiraTuner every 5 days. Most recently, Pro Guitar Tuner was updated on November 10, 2026 and OzmiraTuner on October 31, 2026.

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