Guitar Scale Finder Tool vs Python Data Structures Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Guitar Scale Finder Tool
This tool helps guitarists learn and visualize a vast array of scales and arpeggios. It offers interactive charts, tablature, and practice modes to master note names, intervals, and fingerings across the fretboard.
- Extensive scale and arpeggio library
- Interactive scale and arpeggio charts
- Tablature display
- Left-handed support
- Jam mode for practice
- Adjustable scale player speed
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Unlock the fretboard and learn new guitar scales and arpeggio patterns with the easiest, most advanced scale finder tool available! - Full left handed support - Scale charts - Arpeggio charts - Tabs - Multiple patterns for each scale - Learn note names, interval names and fingering - Jam mode (highlight notes outside of scale patterns) - Scale player with adjustable modes and speed - Light and dark mode - Custom fretboard designs Scales and arpeggios include: Major Scale Major Scale (CAGED system) Major Scale (3 notes per string) Major Pentatonic Scale Major Blues Scale Harmonic Major Scale Double Harmonic Major Scale Minor Scale Harmonic Minor Scale Minor Pentatonic Scale Minor Blues Scale Hungarian Minor Scale Melodic Minor Scale Ionian Mode Dorian Mode Phyrgian Mode Lydian Mode Mixolydian Mode Aeolian Mode Locrian Mode Diminished Half/Whole Scale Diminished Whole/Half Scale Whole Tone Scale Altered Scale Chromatic Scale Augmented Scale Tritone Scale Major Arpeggio Minor Arpeggio dom7 Arpeggio Major7 Arpeggio Major7#5 Arpeggio Major9 Arpeggio Major11 Arpeggio Major7#11 Arpeggio Major13 Arpeggio Major13#11 Arpeggio Minor7 Arpeggio Minor7b5 Arpeggio Minor7b9 Arpeggio Minor9 Arpeggio Minor11 Arpeggio Minor13 Arpeggio dom7#5 Arpeggio dom7b9 Arpeggio dom7#9 Arpeggio dom11 Arpeggio dom7#11 Arpeggio dom13 Arpeggio dom7b13 Arpeggio Diminished Arpeggio Diminished7 Arpeggio Augmented Arpeggio Sus2 Arpeggio Sus4 Arpeggio
Python Data Structures Pro
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Master Data Structures and Algorithms using Python. Learn Data Structure and Algorithm concepts with our comprehensive tutorial app. Perfect for beginners starting their coding journey and developers preparing for technical interviews. All examples use Python. Available in 7 Languages: • English, French, German, Italian, Portuguese, Russian, and Spanish — study in your native language! What You'll Learn: • Algorithm fundamentals and complexity analysis • Arrays, strings, linked lists, stacks, and queues • Hash tables, sets, trees, and graphs • Sorting algorithms: insertion, merge, and quicksort • Graph algorithms: BFS, DFS, Dijkstra's, and Prim's • Dynamic programming, greedy algorithms, and backtracking Complete Learning Experience: • 31 structured chapters from beginner to advanced • Step-by-step tutorials with clear explanations • Complete, runnable Python code examples • Interactive quiz questions to test your knowledge User-Friendly Features: • Dark and light theme options • Offline learning - no internet required • Search functionality across all content • Bookmark important topics (favorites) • Clean, distraction-free interface Perfect for: • Complete beginners with no prior DSA experience • Students preparing for coding interviews • Computer science students learning algorithms • Developers strengthening their problem-solving skills • Self-learners building strong programming foundations Start your DSA mastery journey today - from basic concepts to interview-ready problem solving!
Screenshots
Verdict
The clearest difference is update cadence: Guitar Scale Finder Tool at monthly against Python Data Structures Pro's every 3 months. Guitar Scale Finder Tool also leads on iOS requirement (12.0 vs 17.0). Python Data Structures Pro's advantage is price ($4.99 vs $7.99). 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
Guitar Scale Finder Tool costs $7.99 and Python Data Structures Pro $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Guitar Scale Finder Tool ships an update monthly, Python Data Structures Pro every 3 months. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.
| Parameter | Guitar Scale Finder Tool | Python Data Structures Pro |
|---|---|---|
| Price | $7.99 | $4.99 — better |
| Rating | 4.2 (19 ratings) — better | — |
| Positive reviews | 72.7% of reviews | — |
| Number of ratings | 19 — better | — |
| Update frequency | Monthly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 24 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | School of McRock Ltd | ALG Software Lab |
In-app purchases
Guitar Scale Finder Tool
No in-app purchases
Python Data Structures Pro
No in-app purchases






