Comparison

HarpNinja Diatonic Harmonica vs Harmonica Study

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

Head to head
About

HarpNinja Diatonic Harmonica

This app helps you learn the diatonic harmonica faster with real-time pitch recognition and interactive music theory tools. Visualize notes, explore various tunings and scales, and record your playing to improve your skills.

Highlights
  • Real-time pitch recognition
  • Diatonic harmonica note visualization
  • Interactive Circle of Fifths
  • Support for 8 Diatonic tunings
  • Support for 7 Chromatic tunings
  • 18 Scales and 5 Chord types
  • Audio recorder (30 seconds)
Features
Currently charting
Read full description

HarpNinja - Learn harmonica faster! Pitch recognition + easy music theory HarpNinja Diatonic Harmonica is a diatonic harmonica version of its big brother app HarpNinja. It includes just the essential tuning and music theory features for easy access on your smartphone or tablet wherever you may be. The user interface is designed to scale from small smartphones (5"++ recommended minimum) to tablets and to desktops. *** Reviews of HarpNinja: 1. Bluesharmonica.com http://www.bluesharmonica.com/harpninja 2. Bluestime.it http://www.bluestime.it/harpninja.html Please Note: HarpNinja Diatonic Harmonica RECOMMENDED MINIMUM SCREEN SIZE would be at least a 5" screen smartphone. Anything below this size would really be too small to be useful. If you have technical issues please contact me direct or via the support forum. HarpNinja supports your harmonica learning independent of whatever method you are using. It has two modes. Real time pitch recognition shows you what you play. Harmonica mode is where you can visualize all the notes on a diatonic (10-hole) harmonica. Select from 8 commonly available Diatonic tunings (Major, Natural Minor, Harmonic Minor, Melody maker, Country, Diminished, Powerbender, or Suzuki Ultrabend Sub30) or 7 Chromatic Tunings (Standard/Solo, Bebop, C6, C6 Bebop, Diminished, Augmented, or Whole Tone), all 12 Keys, 18 Scales, and 5 Chord types (Maj, Min, 7th, Aug, Dim). You can also switch the display between notes or music intervals. Play your harmonica and the Real time pitch recognition highlights the notes on screen. An audio recorder also allows you to record up to 30 second segments to hear your own playing. Interactive Circle of Fifths makes music theory easy. Circle of Fifths mode is an interactive Circle of Fifth’s specially adapted for harmonica. The Circle of Fifth’s is a well known music theory tool for working out chord and scale relationships. Settings mode is where you can adjust all the harmonica and application settings, in addition to checking the integrated news feed and any errors. Please see the website help and tutorials for more guidance: http://www.harpninja.com/wp/faqhelp/ http://www.harpninja.com/wp/video-help/

About

Harmonica Study

Master the harmonica with real-time feedback on scales and arpeggios. This app provides guided practice, interactive charts, and a built-in metronome to improve your timing and pitch accuracy. Suitable for all skill levels, from beginners to advanced players.

Highlights
  • Real-time note feedback
  • Practice scales and arpeggios
  • Interactive harmonica charts
  • Built-in metronome
  • Adjustable tempo and repetition
  • Backing playback
Features
Read full description

Harmonica Study is your harmonica teacher in your pocket. It listens while you play, gives instant feedback, and gets you playing real music — not just watching lessons. Whether you are starting harmonica learning, building harmonica scales, or refining blues harmonica technique, you improve by playing. The app hears your notes and tells you what to fix. A harmonica trainer that actually listens Play a note and see it on the harmonica in real time. Know if you are in tune, early, late, or on the beat. No guesswork — clear feedback on pitch, timing, and holes. Guided harmonica lessons walk you step by step: hold, layout, scales, chords, bends, and songs. Hear the demo, then you play. Echo and try-it steps make you play, not just tap Next. Not sure where to start? A short placement test puts you on the right harmonica practice path. Learn, then play real music Practice harmonica scales and arpeggios in every key, with interactive harmonica charts you can see and hear. Train harmonica bends in Bend Lab — the hard part of the instrument, with a pitch trail you can follow. Learn harmonica licks and riffs. Practice songs with sections, backing tracks, and a built-in metronome. Daily harmonica training keeps you coming back: a short mission, streak, and review of what you missed. Practice your way Adjust tempo (BPM), direction, and repetition. Preview any phrase before you play it. Slow it down, loop a section, then bring it up to speed. Built-in metronome and backing tracks so your harmonica practice has time and musical context. For every harmonica player Beginners starting harmonica learning with the right habits. Intermediate players stuck on consistency and bends. Advanced players tightening timing, overbends, and songs. If you want a harmonica trainer that hears you and gets you playing — download Harmonica Study and start your harmonica training today.

Screenshots

HarpNinja Diatonic Harmonica4 screens
Harmonica Study4 screens

Verdict

The call

The clearest difference is price: Harmonica Study at Free against HarpNinja Diatonic Harmonica's $19.99. Harmonica Study also leads on update cadence (every 4 days vs every 9 months). HarpNinja Diatonic Harmonica's advantage is in-app purchases (none vs 4) and chart position (#193 vs unranked). On ads 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

Harmonica Study is free to download; HarpNinja Diatonic Harmonica costs $19.99 up front. Harmonica Study sells 4 in-app purchases, starting at $4.99 per 7 days. HarpNinja Diatonic Harmonica asks for nothing beyond the download.

UpkeepUpdate frequency

HarpNinja Diatonic Harmonica ships an update every 9 months, Harmonica Study every 4 days. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

Scorecard6 real differences · 5 level
HarpNinja Diatonic Harmonica versus Harmonica Study: the parameters behind the verdict, then further details
ParameterHarpNinja Diatonic HarmonicaHarmonica Study
Price$19.99Free — better
Rating—2.0 (1 ratings) — better
Positive reviews28.6% of reviews—
Number of ratings—1 — better
Update frequencyEvery 9 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
Best chart rank#193 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better16.4
Further details — not scored
Size130 MB113 MB
Age rating4+12+
DeveloperSonicvizFilipe Maciel Lins

Customer experience

HarpNinja Diatonic Harmonica

Written reviews7 reviews
Positive28.6%
Neutral28.6%
Negative42.9%

Harmonica Study

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

HarpNinja Diatonic Harmonica

No in-app purchases

4 purchases

Harmonica Study

Subscriptions4
  • Weekly Premium3 Days trial$4.997 Days
  • Weekly Premium3 Days trial$7.997 Days
  • Yearly Premium$24.991 Year
Show 1 more
  • Yearly Premium$29.991 Year

Questions

Is HarpNinja Diatonic Harmonica free?
HarpNinja Diatonic Harmonica costs $19.99, with no in-app purchases.
Is Harmonica Study free?
Harmonica Study is free to download, with in-app purchases available.
Do HarpNinja Diatonic Harmonica or Harmonica Study have ads?
Neither HarpNinja Diatonic Harmonica nor Harmonica Study shows ads.
Which is updated more often, HarpNinja Diatonic Harmonica or Harmonica Study?
HarpNinja Diatonic Harmonica ships an update every 9 months, and Harmonica Study every 4 days. Most recently, HarpNinja Diatonic Harmonica was updated on September 21, 2026 and Harmonica Study on September 23, 2026.

Other comparisons