Comparison

Music Theory Pro vs Harmony Cloud Pro

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

Head to head
About

Music Theory Pro

Master music theory and ear training with interactive exercises. Identify notes, chords, scales, and tempos to improve your musical skills. Suitable for beginners and advanced musicians alike, with customizable difficulty levels.

Highlights
  • Note naming games
  • Key signature identification
  • Interval ear training
  • Chord and scale recognition
  • Tempo identification quiz
  • Competitive scoring
  • Customizable difficulty
Features
Read full description

Theory and Ear Training in one slick package. 130,000 downloads! Top musicians practice....a lot. If you are serious about mastering theory and ear training, this app is designed to make practicing fun! You will be presented with a note, key signature, interval, chord, scale, or tempo. Your challenge is to identify what you see or hear as quickly as possible to earn high scores and beat other people who are playing around the world. If you prefer, you can simply play on your own and you'll never be forced to post your scores. Whether you’ve just started learning music, or are looking for something challenging, MTP has what you need. For Beginners: Note Naming Games Key Signatures Interval Ear Training Beginner mode for Note Names, Key Signatures and Interval ear training For Pros: Competitive Games- post your score to compete worldwide Ear Training Chords– inversions, open voicings Ear Training Scales – Modes, Western Scales, Blues, Whole Tone, Pentatonic, etc. Jazz Chords and Scales – Altered Dominants, extended chords Music Theory Pro is also available for apple computers in the mac app store. With every activity and exercise you can alter the challenge level by turning the harder answers off, and working on the basics or by flipping them all on for maximum difficulty. See what others think about this amazing app! User Reviews: “I survived my first year of music theory with this, and am still constantly using it this year as well. It is nicely customizable and easy to use. There's a lot of material is covers. I absolutely love the ear training. It has been invaluable. Looks nice, too! This is the app to buy for Music Theory class.” – Whitney Huskey “I love this app. It also has some challenging ear training exercises. I have bought a lot of music theory apps and this one is my favorite for theory” – Hadrian7 Beginners quickly become Pros Users who are just learning music will be able to practice naming notes on the piano and on the staff. Sharpen your ears The ear training section provides many challenges for the more advanced student. It takes a sharp ear to identify altered dominant chords and modal scales quickly. For jazz musicians we’ve included the modes from the melodic minor scale and all kinds of extended chords. There is even a tempo quiz to identify beats per minute by assigning a number to a click track. Increase your skills by competing with others Various exercises propel you to higher scores, which you can post to compete for top ratings. Who will be #1 in the world this month? Could be you! “This app is great. I have gone from having absolutely no knowledge in Music Theory, to doing very well in all of the categories the app offers. Thank you very much for helping me learn Theory finally and making it fun.” – whoisjk Download Music Theory Pro and start becoming a better musician today! Dr. Joel Clifft

About

Harmony Cloud Pro

This app helps musicians of all levels develop their ear for harmony and improvisation. It generates endless, unpredictable chord progressions based on user-selected chords, allowing for personalized learning and exploration of musical concepts.

Highlights
  • Ear training for musicians
  • Improvisation exploration
  • Generates unpredictable chord progressions
  • Customizable tempo, volume, and key
  • Tailorable to all skill levels
  • Patented harmonic algorithm
Features
Read full description

Understanding harmony is an essential skill for any musician. Harmony is the springboard that elevates melodies to their full emotional potential. Harmony Cloud™ is a revolutionary step forward in the world of ear training created by world renowned jazz vibraphonist and music educator Stefon Harris, and software engineer and jazz trombonist Kate Jiang. It is designed to help all musicians, from beginner to professional, expand their ears, deepen their understanding of harmony, and fearlessly explore the world of improvisation. Its underlying patented harmonic algorithm stitches together chords you select into an unending source of unpredictable, yet musical, chord progressions. Harmony Cloud can be tailored to any musician's or teacher’s needs. Chord progressions can range from very simple I, IV, V to progressions that include hundreds of chords. This makes it easy to learn and grow at your own pace. You have control of all aspects of the music including tempo, volume, sounds, key signature, and much more. Privacy Policy: https://harmonycloudmusic.com/privacy Terms & Conditions: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Music Theory Pro4 screens
Harmony Cloud Pro3 screens

Verdict

The call

The clearest difference is price: Harmony Cloud Pro at Free against Music Theory Pro's $4.99. Harmony Cloud Pro also leads on rating (5.0 vs 3.1) and review sentiment (87% vs 54%). Music Theory Pro's advantage is in-app purchases (none vs 2) and iOS requirement (9.0 vs 15.1). 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

Harmony Cloud Pro is free to download; Music Theory Pro costs $4.99 up front. Harmony Cloud Pro sells 2 in-app purchases, starting at $5.99 per month. Music Theory Pro asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Harmony Cloud Pro holds the better App Store score, 5.0 against 3.1. Both are backed by a comparable volume of ratings — 49 and 72 respectively. Written reviews point the same way: 54% of Music Theory Pro's written reviews are positive against 87% of Harmony Cloud Pro's.

UpkeepUpdate frequency

Music Theory Pro ships an update every 5 weeks, Harmony Cloud Pro weekly. The most recent releases landed on November 6, 2026 and November 5, 2026 respectively.

Scorecard7 real differences · 3 level
Music Theory Pro versus Harmony Cloud Pro: the parameters behind the verdict, then further details
ParameterMusic Theory ProHarmony Cloud Pro
Price$4.99Free — better
Rating3.1 (49 ratings)5.0 (72 ratings) — better
Positive reviews54.3% of reviews86.7% of reviews — better
Number of ratings4972 — better
Update frequencyEvery 5 weeksWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better15.1
Further details — not scored
Size9 MB194 MB
Age rating4+4+
DeveloperJoel ClifftThe Melodic Progression Institute LLC

Customer experience

Music Theory Pro

All ratings49 ratings
Positive38.8%
Neutral26.5%
Negative34.7%
Written reviews164 reviews
Positive54.3%
Neutral18.3%
Negative27.4%

Harmony Cloud Pro

All ratings65 ratings
Positive98.5%
Neutral1.5%
Negative0.0%
Written reviews15 reviews
Positive86.7%
Neutral0.0%
Negative13.3%

Bugs and requests

Music Theory Pro

Reported bugs

2 issues
  • Login screen freezes
  • Incompatible with older devices

Requested features

12 requests
  • Add timing
  • Add tenor clef
  • Add more instruments to identify music with
  • Repeat the scale when the answer was wrong and play the right one
  • Graphic sample of both wrong/right answers
Show 7 more
  • Samples of music where the different scales are used
  • Link to a website with more in-depth info
  • Require reading more ledger lines in note drills
  • Teach and explain the skills and concepts that it's testing on
  • Adjust the position of the keys on the keyboard
  • Dark mode option
  • Advanced analytics dashboard

Harmony Cloud Pro

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Music Theory Pro

No in-app purchases

2 purchases

Harmony Cloud Pro

Subscriptions2
  • Monthly7 Days trial$5.991 Month
  • Annual7 Days trial$59.991 Year

Questions

Is Music Theory Pro free?
Music Theory Pro costs $4.99, with no in-app purchases.
Is Harmony Cloud Pro free?
Harmony Cloud Pro is free to download, with in-app purchases available.
Which has better reviews, Music Theory Pro or Harmony Cloud Pro?
Harmony Cloud Pro is rated higher. Music Theory Pro averages 3.1 out of 5 from 49 ratings, while Harmony Cloud Pro averages 5.0 from 72 ratings.
Do Music Theory Pro or Harmony Cloud Pro have ads?
Neither Music Theory Pro nor Harmony Cloud Pro shows ads.
Which is updated more often, Music Theory Pro or Harmony Cloud Pro?
Music Theory Pro ships an update every 5 weeks, and Harmony Cloud Pro weekly. Most recently, Music Theory Pro was updated on November 6, 2026 and Harmony Cloud Pro on November 5, 2026.

Other comparisons