Comparison

Chord NOTE vs Music Theory Chords

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

Head to head
About

Chord NOTE

This app helps songwriters find chords that match melodies and provides tools for creating chord progressions. It also includes a scale library and can display vocal pitch to aid in composition.

Highlights
  • Chord finding for melodies
  • Chord Progression function
  • Scale library
  • Vocal pitch display
  • Key finding
  • iPad Split View/Slide Over support
Read full description

Chord NOTE is a Songwriter’s assistant tool. It assists in finding the right chords to match a melody or musical phrase. And it has great Chord Progression function and Scale library. Chord NOTE supports Slide Over and Split View on iPad, and provides the appropriate display and operation for iPhone and iPad. You wrote new melody came into your mind, but you could not apply some chords for your melody… At a time like this, you can get guides to find some chords that match your melody by Chord NOTE. If you have composed some songs already, you know almost melody and chord have some same notes. Because the main part of melody is made up of constituent notes of chord in most cases. In the same way, you’ll be able to find Key to match your melody by Chord NOTE. So Chord NOTE is very useful for finding the chord and key. If you record your singing melody, you can display the pitch of your voice. And you can sketch your songs by Chord Progression function. Chord Progression function will provide numerous features for you. Chord NOTE supports widening the imagination of your wings for real composer. Advanced Option : Chord NOTE works fine without this option. However, when you’ll buy this low price add-on, you can use more Chords and Scales. It will provide a complete set usually. You can read full function description at support page. http://therootage.com/iphone/chord-note-en/

About

Music Theory Chords

This app helps musicians test their knowledge of triads and seventh chords through ear training and notation analysis. It offers customizable modes, clef support, and a printable grade book for tracking progress.

Highlights
  • Triad and seventh chord testing
  • Ear training mode
  • Notation analysis mode
  • Customizable chord playback
  • Grade book with printable results
  • Multiple clef support
Read full description

Teachers, students and professional musicians: Test your knowledge of Triads and Seventh Chords. Test just using your ears, and/or analyze the music notation. Compare any incorrect answer to the correct answer. Includes a 'Grade Book' list of all saved results that you can print or send. • Triads: major, minor, diminished and augmented. • Seventh chords: dim7, min7(b5), min7, min(maj7), dominant7, maj7, dominant7(#5) and maj7(#5). • Three modes: Audio and Visual, Audio Only (Ear Training), and Visual Only (Clef Notation Training). • Treble, Alto, Tenor, and Bass clefs. • Set how the chord is played; harmonically, randomly, rolled up, or rolled down. • Set a random root change, or set the root before each question. • Set the number of questions, or stop anytime and grade only the number answered. The Grade Book is filterable by name. Grades include the name, date and time the quiz was taken, all relevant settings (clef, number of questions, etc.), and score (percentage and letter grade).

Screenshots

Chord NOTE4 screens
Music Theory Chords4 screens

Verdict

The call

The clearest difference is review sentiment: Music Theory Chords at 100% against Chord NOTE's 62%. Music Theory Chords also leads on in-app purchases (none vs 1) and rating (3.3 vs 3.0). Chord NOTE's advantage is update cadence (every 2 months vs every 36 months) and iOS requirement (18.1 vs 26.0). On ratings volume, 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

Chord NOTE costs $2.99 and Music Theory Chords $1.99 up front. Chord NOTE sells 1 one-off in-app purchase. Music Theory Chords asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Music Theory Chords holds the better App Store score, 3.3 against 3.0. Both are backed by a comparable volume of ratings — 3 and 3 respectively. Written reviews point the same way: 62% of Chord NOTE's written reviews are positive against 100% of Music Theory Chords's.

UpkeepUpdate frequency

Chord NOTE ships an update every 2 months, Music Theory Chords every 36 months. The most recent releases landed on September 7, 2026 and September 12, 2026 respectively.

Scorecard7 real differences · 3 level
Chord NOTE versus Music Theory Chords: the parameters behind the verdict, then further details
ParameterChord NOTEMusic Theory Chords
Price$2.99$1.99 — better
Rating3.0 (3 ratings)3.3 (3 ratings) — better
Positive reviews61.5% of reviews100.0% of reviews — better
Number of ratings33
Update frequencyEvery 2 months — betterEvery 36 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad — betteriPhone
Requires iOS18.1 — better26.0
Further details — not scored
Size31 MB42 MB
Age rating4+4+
DeveloperHidenori MatsuokaPatrick Q. Kelly

Customer experience

Chord NOTE

All ratings3 ratings
Positive33.3%
Neutral33.3%
Negative33.3%
Written reviews13 reviews
Positive61.5%
Neutral23.1%
Negative15.4%

Music Theory Chords

All ratings3 ratings
Positive33.3%
Neutral33.3%
Negative33.3%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Chord NOTE

One-time1
  • Advanced Option$1.99
None

Music Theory Chords

No in-app purchases

Questions

Is Chord NOTE free?
Chord NOTE costs $2.99, and also offers in-app purchases.
Is Music Theory Chords free?
Music Theory Chords costs $1.99, with no in-app purchases.
Which has better reviews, Chord NOTE or Music Theory Chords?
Music Theory Chords is rated higher. Chord NOTE averages 3.0 out of 5 from 3 ratings, while Music Theory Chords averages 3.3 from 3 ratings.
Do Chord NOTE or Music Theory Chords have ads?
Neither Chord NOTE nor Music Theory Chords shows ads.
Which is updated more often, Chord NOTE or Music Theory Chords?
Chord NOTE ships an update every 2 months, and Music Theory Chords every 36 months. Most recently, Chord NOTE was updated on September 7, 2026 and Music Theory Chords on September 12, 2026.

Other comparisons