Comparison

Theory Lessons vs Earonman

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

Head to head
About

Theory Lessons

Explore 39 animated music theory lessons covering fundamental concepts like scales, chords, and intervals. Deepen your understanding of musical structure and analysis with this comprehensive resource.

Highlights
  • 39 animated music theory lessons
  • Covers staff, clefs, and ledger lines
  • Explains note and rest duration
  • Details major and minor scales
  • Teaches intervals and chord inversions
  • Includes Roman numeral analysis
  • Features musical analysis examples
Read full description

Theory Lessons features 39 music theory lessons from musictheory.net, presented in their original animated versions. Complete lesson list: • The Staff, Clefs, and Ledger Lines • Note Duration • Measures and Time Signature • Rest Duration • Dots and Ties • Steps and Accidentals • Simple and Compound Meter • Odd Meter • The Major Scale • The Minor Scales • Scale Degrees • Key Signatures • Key Signature Calculation • Generic Intervals • Specific Intervals • Writing Intervals • Interval Inversion • Introduction to Chords • Triad Inversion • Seventh Chords • More Seventh Chords • Seventh Chord Inversion • Diatonic Triads • Roman Numeral Analysis: Triads • Diatonic Seventh Chords • Roman Numeral Analysis: Seventh Chords • Composing with Minor Scales • Voicing Chords • Analysis: O Canada • Nonharmonic Tones • Phrases and Cadences • Circle Progressions • Common Chord Progressions • Triads in First Inversion • Triads in Second Inversion • Analysis: Auld Lang Syne • Building Neapolitan Chords • Using Neapolitan Chords • Analysis: Moonlight Sonata

About

Earonman

Master your musical ear with interactive exercises and real-time feedback. Learn intervals, chords, scales, and complex jazz harmonies through a gamified curriculum. Practice specific areas without pressure and track your progress with detailed stats.

Highlights
  • Interactive ear training exercises
  • Real-time feedback
  • Gamified learning path with XP and badges
  • Over 200 levels covering intervals to jazz harmonies
  • Practice mode for focused drilling
  • Specialized training modes for advanced musicians
  • Detailed progress tracking and stats
Features
Read full description

Master your musical ear. Become Earonman. Earonman is a gamified ear training app for musicians of all levels. Build real relative pitch through 258 levels, six PRO Quests, free practice, real-time microphone input, and 1V1 challenges. MAKE IT YOURS Dress Earonman in a Timbre - an app-wide color scheme you buy with EarCoins earned through training. There are 12 Timbres to collect, inspired by record and instrument design. Two are light themes. Your Timbre changes the whole app - backgrounds, text, level map, and statistics. AUTHENTIC SOUND Train with samples of a real Petrof III concert grand piano recorded at Baracca Records. Choose from 8 instruments: piano, Rhodes, strings, harp, electric guitar, flute, clarinet, and horn. 258 LEVELS Progress from basic intervals to advanced jazz harmony: - Melodic and harmonic intervals - Triads and inversions - Seventh and extended chords - Compound intervals - Scales and modes - Slash chords - Jazz voicings - Upper structures, hybrid chords, and polychords LEARN WITH DR. EARMOND SHARP Each level begins with a short chat-style lesson guided by your witty musical mentor. Learn theory through sound, clear explanations, and practical examples. FREE PRACTICE MODE Practice Intervals, Chords, Scales, and Jazz Voicings with no timers, no lives, and no daily limit. Train at your own pace without losing XP. SIX PRO QUESTS - Slashmaster - inversions and slash chords - Functioneer - harmonic functions and secondary dominants - Harmonic Quest - harmonic movement, including Barry Harris-inspired approaches - Guido - guide tones: the 3rds and 7ths - Hybrid Lab - triads over bass notes - Polychordist - stacked-triad structures OPEN MIC Answer by singing or playing instead of tapping. Earonman listens through your microphone and evaluates your intonation live, note by note. It works with voice, piano, saxophone, trumpet, and more. All audio analysis happens on your device. Nothing is recorded or uploaded. 1V1 DUELS Challenge another player across intervals, chords, scales, cadences, and chord progressions. Invite Earonman users directly or share a link with friends. GAMIFIED PROGRESS - Earn XP - Build streaks - Unlock badges - Climb weekly Leagues - Review past League results - Track accuracy and time SPEAKS YOUR LANGUAGE Earonman is available in English, Czech, Spanish, Simplified Chinese, and Japanese. The last three languages are currently in beta. The app follows your phone language automatically, and you can switch it any time in Settings. Note names stay international (C, D, E, F, G, A, B). ACCESSIBLE BY DESIGN Full VoiceOver support across lessons, quests, and onboarding helps blind and low-vision musicians train independently. The app also includes large touch targets, high contrast, and clear focus indicators. BUILT BY A MUSICIAN Created by a professional jazz pianist, educator, and Barry Harris student. The curriculum connects ear training with music theory, harmony, and practical musicianship. FREE - 3 standard exercises per 8-hour window - Unlimited Practice Mode - Selected basic levels - Basic stats and badges PRO - 14-DAY FREE TRIAL - Unlimited exercises - All 258 levels and lessons - All 6 advanced quests - Open Mic - All 8 instrument sounds - Advanced stats - Weekly Leagues and full history - Full badge system - Cancel anytime Whether you are a student, teacher, performer, producer, or hobbyist, Earonman helps you develop real relative pitch and musical fluency. Start training today. Become Earonman. Privacy Policy: https://www.earonman.com/legal/privacy-policy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Theory Lessons4 screens
Earonman4 screens

Verdict

The call

The clearest difference is price: Earonman at Free against Theory Lessons's $2.99. Earonman also leads on update cadence (every 11 days vs every 4 months). Theory Lessons's advantage is rating (4.4 vs 3.7) and in-app purchases (none vs 2). On ads, device support and iOS requirement 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

Earonman is free to download; Theory Lessons costs $2.99 up front. Earonman sells 2 in-app purchases, starting at $6.99 per month. Theory Lessons asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Theory Lessons holds the better App Store score, 4.4 against 3.7. That said, the two scores are not equally well evidenced: Theory Lessons has 126 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 83% of Theory Lessons's written reviews are positive against 50% of Earonman's.

UpkeepUpdate frequency

Theory Lessons ships an update every 4 months, Earonman every 11 days. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

Scorecard8 real differences · 3 level
Theory Lessons versus Earonman: the parameters behind the verdict, then further details
ParameterTheory LessonsEaronman
Price$2.99Free — better
Rating4.4 (126 ratings) — better3.7 (6 ratings)
Positive reviews83.1% of reviews — better50.0% of reviews
Number of ratings126 — better6
Update frequencyEvery 4 monthsEvery 11 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
Best chart rank#13 — better—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.815.1 — better
Further details — not scored
Size4 MB97 MB
Age rating4+4+
Developermusictheory.netTomas Jochmann

Customer experience

Theory Lessons

All ratings126 ratings
Positive84.1%
Neutral7.9%
Negative7.9%
Written reviews154 reviews
Positive83.1%
Neutral5.8%
Negative11.0%

Earonman

All ratings6 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Bugs and requests

Theory Lessons

Reported bugs

2 issues
  • Directional arrows and guidance symbols not working on iPad
  • Text panels cut off at the bottom and unable to be resized

Requested features

4 requests
  • Add more advanced theory topics
  • Incorporate practice exercises and quizzes
  • Include support for other instruments beyond piano
  • Integrate with the Tenuto app for a more complete experience

Earonman

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Theory Lessons

No in-app purchases

2 purchases

Earonman

Subscriptions2
  • Earonman Pro Monthly14 Days trial$6.991 Month
  • Earonman Pro Yearly14 Days trial$59.991 Year

Questions

Is Theory Lessons free?
Theory Lessons costs $2.99, with no in-app purchases.
Is Earonman free?
Earonman is free to download, with in-app purchases available.
Which has better reviews, Theory Lessons or Earonman?
Theory Lessons is rated higher. Theory Lessons averages 4.4 out of 5 from 126 ratings, while Earonman averages 3.7 from 6 ratings.
Do Theory Lessons or Earonman have ads?
Neither Theory Lessons nor Earonman shows ads.
Which is updated more often, Theory Lessons or Earonman?
Theory Lessons ships an update every 4 months, and Earonman every 11 days. Most recently, Theory Lessons was updated on October 29, 2026 and Earonman on October 25, 2026.

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