Comparison

Jazz ScaleHelper vs Chords Trainer

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

Head to head
About

Jazz ScaleHelper

Improve your musical instrument playing with interactive exercises and real-time feedback. Practice scales, modes, and arpeggios with scoring and performance analysis. Ideal for exam preparation and general skill enhancement.

Highlights
  • Interactive scale and arpeggio practice
  • Real-time performance scoring
  • Multiple practice modes (play any, choose, challenge)
  • Supports Trinity Guildhall and ABRSM syllabuses
  • Wide range of scales, modes, and arpeggios
  • Supports multiple instruments
  • Multi-user support with saved history
Features
Read full description

Choose an exercise: see the notes and hear them played Play the exercise: get a score, see the notes you played and listen to your performance Jazz ScaleHelper is the fast way to improve your playing. With actual feedback based on what you played, Jazz ScaleHelper enables you to concentrate on the aspects of your playing that will help the most. Jazz ScaleHelper has 3 modes: 1. Play any scale: Jazz ScaleHelper determines the exercise you have played and scores your performance. Ideal for impromptu practise sessions. 2. Choose a scale: Choose the exercise you want to play and Jazz ScaleHelper listens and gives you a score. Ideal to improve a specific musical exercise. 3. Challenge me: Jazz ScaleHelper will ask you to play exercises from your challenge list that is based on your chosen syllabus. Jazz ScaleHelper will identify what you need to practise and make sure you get exam ready while having fun on the way. Ideal for practising a range of exercises. Jazz ScaleHelper contains everything you need for the instruments covered by the Jazz syllabuses from Trinity Guildhall and ABRSM examining boards. Jazz ScaleHelper will be there for you every step of the way as you grow as a musician. Jazz ScaleHelper allows you to create your own syllabus from the exercises it supports: major scales; dorian modes; lydian modes; lydian flat 7 modes; mixolydian modes; melodic minor scales; jazz melodic minor scales; harmonic minor scales; pentatonic major scales; pentatonic minor scales; blues scales; diminished scales; chromatic scales; whole-tone scales; phrygian modes; locrian modes; altered modes; aeolian modes; major arpeggios; minor arpeggios; augmented arpeggios; major sevenths; minor sevenths; diminished sevenths; half-diminished sevenths; major/minor sevenths; and minor/major sevenths. All exercises are available starting from every tonic over 1 octave, 1 twelfth, 2 octaves, 2.5 octaves and 3 octaves. There is a range of exercise lists for popular music exams available for download. (Jazz ScaleHelper Lite only supports major scales, blues scales and major arpeggios over 1 octave) Instruments supported include Violin, Viola, Cello, Guitar, Bass Guitar, Clarinet, Flute, Oboe, Saxophone, Bassoon, Recorder, Trumpet, Cornet, Trombone and Horn. A full list is available at www.jazz.ScaleHelper.com along with details of the rich feature set Jazz ScaleHelper has to offer. At less than the price of a single music lesson the guidance that Jazz ScaleHelper provides between your lessons builds on that teaching. You can dispense with the need to review scales by playing them in your lessons and instead reuse the time you gain to learn technique and perfect your pieces. Jazz ScaleHelper supports multiple users, keeping each user's history for each of their instruments. You can save recordings to study later or to show and play to your teacher and friends. You can also email recordings to share them with others. Have fun competing with your friends to see who can get the highest score or who can maintain the highest average.

About

Chords Trainer

Learn to recognize and play musical chords quickly. This app offers a comprehensive chord dictionary and practice modes, including games, to enhance your music learning journey. Improve your understanding of chords represented by symbols, notes, or keyboard layouts.

Highlights
  • Comprehensive chord library
  • Customizable learning options
  • Practice, watch, and game modes
  • Intelligent question generation
  • Real sample sound
  • Chord lookup dictionary
Features
Read full description

This app is to help us get familiar with all kinds of chords so that we are able to recognize or play them as quick as possible, no matter they are represented by chord symbols, music notes in the stave, or keyboard keys. Improving this ability will definitely benefit all aspects of our music learning. Also, the app can be used as a dictionary to look up chords. Main Features: • Cover almost all chords we can encounter • Allow to customize the learning by chords' roots, forms, quality, inversion, and voicing (open or closed position, doubling) • Practice mode to learn at our own pace • Watch mode to learn by watching the "chords movie" • Game mode to challenge ourselves and have fun by winning high score, trophies, and medals • Search mode to loop up chords • Questions generated intelligently based on your performance • Intuitive interface • Studio quality real sample sound

Screenshots

Jazz ScaleHelper4 screens
Chords Trainer4 screens

Verdict

The call

The clearest difference is in-app purchases: Chords Trainer at none against Jazz ScaleHelper's 11. Chords Trainer also leads on price ($2.99 vs $5.99) and iOS requirement (12.4 vs 15.0). On review sentiment, update cadence, ads 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

Jazz ScaleHelper costs $5.99 and Chords Trainer $2.99 up front. Jazz ScaleHelper sells 11 one-off in-app purchases. Chords Trainer asks for nothing beyond the download.

UpkeepUpdate frequency

Jazz ScaleHelper ships an update every 6 weeks, Chords Trainer every 2 months. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
Jazz ScaleHelper versus Chords Trainer: the parameters behind the verdict, then further details
ParameterJazz ScaleHelperChords Trainer
Price$5.99$2.99 — better
Rating—4.7 (7 ratings) — better
Positive reviews50.0% of reviews50.0% of reviews
Number of ratings—7 — better
Update frequencyEvery 6 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.4 — better
Further details — not scored
Size9 MB21 MB
Age rating+44+
DeveloperRichard WilliamsPlearn LLC

Customer experience

Jazz ScaleHelper

Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Chords Trainer

All ratings7 ratings
Positive85.7%
Neutral14.3%
Negative0.0%
Written reviews6 reviews
Positive50.0%
Neutral16.7%
Negative33.3%

In-app purchases

11 purchases

Jazz ScaleHelper

One-time11
  • Saxophone TRINITY G4$0.99
  • Saxophone TRINITY G7$0.99
  • Saxophone ABRSM G1 to G3$0.99
Show 8 more
  • Saxophone ABRSM G4$0.99
  • Saxophone ABRSM G5$0.99
  • Trumpet ABRSM G1 to G3$0.99
  • Trumpet ABRSM G4$0.99
  • Trumpet ABRSM G5$0.99
  • Clarinet TRINITY G1 to G8$2.99
  • Flute TRINITY G1 to G8$2.99
  • Saxophone TRINITY G1 to G8$2.99
None

Chords Trainer

No in-app purchases

Questions

Is Jazz ScaleHelper free?
Jazz ScaleHelper costs $5.99, and also offers in-app purchases.
Is Chords Trainer free?
Chords Trainer costs $2.99, with no in-app purchases.
Do Jazz ScaleHelper or Chords Trainer have ads?
Neither Jazz ScaleHelper nor Chords Trainer shows ads.
Which is updated more often, Jazz ScaleHelper or Chords Trainer?
Jazz ScaleHelper ships an update every 6 weeks, and Chords Trainer every 2 months. Most recently, Jazz ScaleHelper was updated on October 14, 2026 and Chords Trainer on October 24, 2026.

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