Comparison

Quinterval vs Chords

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

Head to head
About

Quinterval

Explore the circle of fifths with interactive scale displays. Select keys via touch or slider to view major and parallel minor scales. Customize note notation and clef for a personalized musical experience.

Highlights
  • Interactive circle of fifths
  • Major and parallel minor scale display
  • Adjustable display range
  • Customizable note notation (German, English, Italian)
  • Clef selection (G, C, F)
  • Key signature display
Features
Read full description

Quinterval is an interactive circle of fifths including the display of the corresponding scales. A key in the circle can be selected either by touching the tonic or by turning the slider in the middle. The circle displays both the respective major and parallel minor scales. The display ranges from F-flat major (D-flat minor) to G-sharp major (E-sharp minor). A second slider can be used to move the visible circle section accordingly. The note names can be set between german, english or italian notation. The lower area shows the related major scale with its key signature. The first step and the sixth step with the corresponding minor scale are highlighted. The notes can be displayed with G-Clef, C-Clef or F-Clef. The accidentals can also be displayed before the individual notes. Additional functionality is available as an InApp purchase: - Display the notes of the parallel minor scale - Display triads with their chord names - Playback notes by tapping on them

About

Chords

This music trainer helps you learn piano, guitar, and ukulele by practicing notes, intervals, chords, and scales. It offers exercises to master music theory, solfeggio, and harmony, with options to use a MIDI keyboard or microphone for interactive learning.

Highlights
  • Learn musical intervals
  • Master piano and guitar chords
  • Study musical scales and modes
  • Practice with MIDI keyboard
  • Recognize notes by ear via microphone
  • Learn music theory and solfeggio
Features
Read full description

How to memorize piano or guitar chords? How to learn to build musical intervals? How to learn scales and modes? Chords is your music trainer to help you learn piano, guitar or ukulele sheet music. By doing the exercises, you will be able to remember the names of notes, intervals, chords, scales. You can practice piano chords and scales using a MIDI keyboard. If you want to learn ukulele or guitar chords, you can use a microphone. Our application can recognize notes by ear. We offer you three basic exercises in mastering music theory: Musical intervals. In the classes on building musical intervals, you will master the basics of musical theory, solfeggio and harmony. You will learn how to quickly build musical intervals from any note. Get used to recognizing notes and musical intervals by ear. Our app, like a real music teacher, will give you musical tasks throughout the day. Chords for piano and guitar. You will learn major, minor, triad, and seventh chords. You can watch jazz, blues guitar chords. As you practice, you will have the opportunity to use a MIDI keyboard or microphone so you can learn guitar tabs or learn piano chords. Musical modes and scales for piano and guitar. Knowledge of musical scales and modes is required for every musician. You will learn natural, harmonic, melodic major and minor scales. Remember the Ionian, Dorian, Phrygian, Lydian, Mixolydian, Aeolian, Locrian musical modes. Memorize the notes and rules for constructing musical scales. Studying music theory, solfeggio, harmony, will help you compose songs, write blues and jazz improvisations and melodies. Solve chord progressions. Build guitar tabs. Train your ear for music. Learn to read sheet music. Play musical intervals. If you study independently, with a music teacher, do exercises for the piano, guitar, then you will become a successful musician.

Screenshots

Quinterval3 screens
Chords4 screens

Verdict

The call

The clearest difference is in-app purchases: Chords at none against Quinterval's 1. Chords also leads on update cadence (every 9 days vs every 8 months) and rating (4.6 vs 4.4). Quinterval's advantage is ads (none vs shown) and review sentiment (78% vs 68%). On price, ratings volume 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. Quinterval sells 1 one-off in-app purchase. Chords asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Chords holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 21 and 58 respectively. Written reviews complicate that: 78% of Quinterval's written reviews are positive against 68% of Chords's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Quinterval ships an update every 8 months, Chords every 9 days. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

Scorecard7 real differences · 3 level
Quinterval versus Chords: the parameters behind the verdict, then further details
ParameterQuintervalChords
PriceFreeFree
Rating4.4 (21 ratings)4.6 (58 ratings) — better
Positive reviews78.2% of reviews — better68.1% of reviews
Number of ratings2158 — better
Update frequencyEvery 8 monthsEvery 9 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.613.0 — better
Further details — not scored
Size43 MB46 MB
Age rating4+4+
DeveloperOliver HahnAlexey Ovod

Customer experience

Quinterval

All ratings21 ratings
Positive85.7%
Neutral4.8%
Negative9.5%
Written reviews87 reviews
Positive78.2%
Neutral11.5%
Negative10.3%

Chords

All ratings57 ratings
Positive89.5%
Neutral5.3%
Negative5.3%
Written reviews47 reviews
Positive68.1%
Neutral12.8%
Negative19.1%

In-app purchases

1 purchases

Quinterval

One-time1
  • Enhanced Version$0.99
None

Chords

No in-app purchases

Questions

Is Quinterval free?
Quinterval is free to download, with in-app purchases available.
Is Chords free?
Chords is free to download, with no in-app purchases.
Which has better reviews, Quinterval or Chords?
Chords is rated higher. Quinterval averages 4.4 out of 5 from 21 ratings, while Chords averages 4.6 from 58 ratings.
Do Quinterval or Chords have ads?
Chords shows ads; Quinterval does not.
Which is updated more often, Quinterval or Chords?
Quinterval ships an update every 8 months, and Chords every 9 days. Most recently, Quinterval was updated on October 29, 2026 and Chords on October 24, 2026.

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