Comparison

Theory Lessons vs String Position Pro

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

String Position Pro

This app is a comprehensive practice toolkit for violin, viola, cello, and double bass. It offers interactive tools, feedback mechanisms, and educational sections to make music practice more effective and enjoyable for students and teachers.

Highlights
  • Note recognition flashcards
  • Interactive fingerboard charts
  • Scale builders and mappers
  • Rhythm builder
  • Instrument tuners
  • Practice planner
  • Audio recorder with metronome
Features
Currently charting
Read full description

String Position Pro is a complete practice toolkit for violin, viola, cello, and double bass. It is designed to support students, teachers, and families, offering engaging tools and feedback mechanisms that make practice more effective and enjoyable. It was developed by Lachlan Dent, who holds a PhD in Music Performance, a Master of Music (Performance), and a Master of Teaching, in collaboration with other professional string teachers and performers. Features: Flashcards for note recognition and fingerboard mapping. ‘Listening’ flashcards where you can play the answer on your instrument with tuning feedback. Interactive fingerboard charts with high-quality recordings. Key signature explorer. ‘Understanding Scales’ section that explains how scales and arpeggios are constructed. Scale Builders (learn the notes of scales before you play them). Scale Mappers (explore scales and arpeggios across the fingerboard using valid fingering options). Scale Helpers that prompt the next note of a selected scale or arpeggio, and provide real-time feedback on your playing. Interval Explorers (with both fingerboard and keyboard modes for note selection). General Knowledge Quiz covering music terms and markings commonly encountered by string players. Practice Planner (with countdowns to performance dates and customisable repertoire lists), with four player profiles so families can share. Practice charts are exportable to PDF. Recorder: instantly listen back to your practice in high-quality audio, with an optional built-in metronome. The recorder is integrated with the Practice Planner, allowing you to save recordings for each piece or scale and access them via the Practice History calendar. Rhythm Builder: Write rhythms and hear them played back. Features multiple time signatures, as well as count-in and metronome options. Tuners designed specifically for each instrument. Drones (long tones for intonation practice). Metronome. Combined Metronome/Drones, and combined Tuner/Metronome. Support for A=440 Hz to A=444 Hz. English note names (A, B, C), fixed-do solfège (Do Re Mi), and German note names (A, H, C) modes supported. Flashcard features: Violin and Double Bass: Comprehensive note-reading and position practice. Viola: Alto and treble clef levels tailored for your instrument. Cello: Bass, tenor, and treble clef levels, from half position through fourth position. Audio reinforcement: Real note recordings help you connect what you see with what you hear. Download String Position Pro now and maximize the value of your music lessons!

Screenshots

Theory Lessons4 screens
String Position Pro4 screens

Verdict

The call

The clearest difference is rating: String Position Pro at 5.0 against Theory Lessons's 4.4. String Position Pro also leads on update cadence (every 2 days vs every 4 months) and review sentiment (100% vs 83%). Theory Lessons's advantage is ratings volume (127 vs 1) and price ($2.99 vs $5.99). On ads, in-app purchases 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

Theory Lessons costs $2.99 and String Position Pro $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

String Position Pro holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Theory Lessons has 127 ratings behind it against 1, 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 100% of String Position Pro's.

UpkeepUpdate frequency

Theory Lessons ships an update every 4 months, String Position Pro every 2 days. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

Scorecard8 real differences · 3 level
Theory Lessons versus String Position Pro: the parameters behind the verdict, then further details
ParameterTheory LessonsString Position Pro
Price$2.99 — better$5.99
Rating4.4 (127 ratings)5.0 (1 ratings) — better
Positive reviews83.1% of reviews100.0% of reviews — better
Number of ratings127 — better1
Update frequencyEvery 4 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
Best chart rank#13 — better#165
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.813.0 — better
Further details — not scored
Size4 MB218 MB
Age rating4+4+
Developermusictheory.netLachlan Dent

Customer experience

Theory Lessons

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

String Position Pro

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews10 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

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

String Position Pro

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Theory Lessons

No in-app purchases

None

String Position Pro

No in-app purchases

Questions

Is Theory Lessons free?
Theory Lessons costs $2.99, with no in-app purchases.
Is String Position Pro free?
String Position Pro costs $5.99, with no in-app purchases.
Which has better reviews, Theory Lessons or String Position Pro?
String Position Pro is rated higher. Theory Lessons averages 4.4 out of 5 from 127 ratings, while String Position Pro averages 5.0 from 1 ratings.
Do Theory Lessons or String Position Pro have ads?
Neither Theory Lessons nor String Position Pro shows ads.
Which is updated more often, Theory Lessons or String Position Pro?
Theory Lessons ships an update every 4 months, and String Position Pro every 2 days. Most recently, Theory Lessons was updated on November 6, 2026 and String Position Pro on November 4, 2026.
Which is more popular, Theory Lessons or String Position Pro?
Theory Lessons currently peaks at #13 in the App Store charts, and String Position Pro at #165. Chart position reflects recent download velocity rather than total install base.

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