Comparison

Harmonic Analysis vs NoteNerd

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

Head to head
About

Harmonic Analysis

Master music theory with interactive exercises focused on chord and Roman numeral analysis. Practice constructing chords, analyzing progressions, and improving your musical ear through various training modes and customizable settings.

Highlights
  • Chord to Roman numeral training
  • Chord construction exercises
  • Chord construction with keyboard
  • Chord progression analysis
  • Selectable difficulty levels
  • Support for inverted chords
  • Performance reports
Features
Read full description

"This app is a great way to learn your chords. It is simple, robust and well written, and has positive comments when you start it up." -- 5-Star App Store Review Master Roman numeral analysis and chord progressions. Whether you are preparing for AP Music Theory, ABRSM exams, or college-level harmony classes, Harmonic Analysis is your complete pocket tutor for understanding how chords work. Ditch the paper worksheets and practice interactively through four dedicated training modules: Roman Numeral Analysis • Identify the correct Roman numeral for the chord displayed on the staff. Chord Construction • Read a Roman numeral and build the correct chord directly on the sheet music. Keyboard Construction • Translate theory to practice by constructing the requested chord on an interactive piano keyboard. Progression Analysis • Analyze a sequence of Roman numerals and select the correct musical progression. Core Features for Serious Musicians • Comprehensive Clefs: Practice in Treble, Bass, Soprano, Alto, Tenor, and Baritone clefs. • All Keys Covered: Work across all 15 major and 15 minor key signatures. • Inversions: Full support for root position and inverted chords. • Audio Playback: Hear what you build—play and arpeggiate chords to train your ear alongside your eyes. • Smart Review: Flag difficult questions and keep a dedicated list for focused review sessions. • Track Progress: Monitor your accuracy and growth with detailed performance reports. Subscriptions • Payment will be charged to your Apple ID account at the confirmation of purchase. • The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. • Your account will be charged for renewal within 24 hours prior to the end of the current period. • You can manage and cancel your subscriptions by going to your App Store account settings after purchase. • You will not be able to cancel the subscription once activated. Support & FAQ Do you have any questions? Visit our FAQ page at https://sightsinging.app/faq for detailed instructions and troubleshooting tips. You also can reach us by email at support@sightsinging.app. • Terms & Conditions https://sightsinging.app/terms-and-conditions • Privacy Policy https://sightsinging.app/privacy-policy

About

NoteNerd

This app provides a pocket-sized music theory lab for practicing sight-singing and ear training. It offers live pitch analysis, transposable melodic and rhythmic exercises, and a built-in notation editor for personalized practice.

Highlights
  • Sight-singing practice
  • Ear training exercises
  • Live pitch analysis
  • Transposable melodic exercises
  • Rhythmic exercises
  • Built-in notation editor
Read full description

NoteNerd: Voice is a sight-singing lab in your pocket! - Build essential music theory skills: Practice intervals, chord identification, and dictation anywhere you happen to be. - Live singing analysis: See your pitch drawn in real-time on the score as you sing for over 300 built-in melodic exercises. - Transposable melodic exercises: Every melodic exercise is transposable to any key, clef, and octave to fit your range. - Rhythmic exercises: Over 500 preloaded rhythmic exercises across 16 meters at any tempo you like. - Built-in notation editor: Practicing a tough section of your aria? Notate your own melody or rhythm right in the app and get real-time feedback. Terms of Service: https://www.smashingmetronomes.com/notenerd-voice-terms-of-service Privacy Policy: https://www.smashingmetronomes.com/privacy-policy

Screenshots

Harmonic Analysis4 screens
NoteNerd4 screens

Verdict

The call

The clearest difference is review sentiment: NoteNerd at 100% against Harmonic Analysis's 43%. NoteNerd also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.6). Harmonic Analysis's advantage is update cadence (every 2 days vs every 2 weeks) and rating (4.7 vs 4.4). On price, ads, in-app purchases and monetization model 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. Harmonic Analysis sells 3 in-app purchases, starting at $3.99 per month and NoteNerd sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Harmonic Analysis holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 22 and 7 respectively. Written reviews complicate that: 43% of Harmonic Analysis's written reviews are positive against 100% of NoteNerd's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Harmonic Analysis ships an update every 2 days, NoteNerd every 2 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard6 real differences · 4 level
Harmonic Analysis versus NoteNerd: the parameters behind the verdict, then further details
ParameterHarmonic AnalysisNoteNerd
PriceFreeFree
Rating4.7 (22 ratings) — better4.4 (7 ratings)
Positive reviews42.9% of reviews100.0% of reviews — better
Number of ratings22 — better7
Update frequencyEvery 2 days — betterEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.615.0 — better
Further details — not scored
Size86 MB129 MB
Age rating4+4+
DeveloperDeeryard LLCSmashing Metronomes, Inc

Customer experience

Harmonic Analysis

All ratings22 ratings
Positive90.9%
Neutral0.0%
Negative9.1%
Written reviews7 reviews
Positive42.9%
Neutral28.6%
Negative28.6%

NoteNerd

All ratings7 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Harmonic Analysis

Subscriptions2
  • Premium Access Monthly$3.991 Month
  • Premium Access Yearly$39.991 Year
One-time1
  • One-time Payment$119.99
2 purchases

NoteNerd

Subscriptions2
  • Pay As You Go14 Days trial$9.991 Month
  • Music Theory Pro14 Days trial$99.901 Year

Questions

Is Harmonic Analysis free?
Harmonic Analysis is free to download, with in-app purchases available.
Is NoteNerd free?
NoteNerd is free to download, with in-app purchases available.
Which has better reviews, Harmonic Analysis or NoteNerd?
Harmonic Analysis is rated higher. Harmonic Analysis averages 4.7 out of 5 from 22 ratings, while NoteNerd averages 4.4 from 7 ratings.
Do Harmonic Analysis or NoteNerd have ads?
Neither Harmonic Analysis nor NoteNerd shows ads.
Which is updated more often, Harmonic Analysis or NoteNerd?
Harmonic Analysis ships an update every 2 days, and NoteNerd every 2 weeks. Most recently, Harmonic Analysis was updated on November 2, 2026 and NoteNerd on November 3, 2026.

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