Harmonic Analysis vs iRhythm Random
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Harmonic Analysis
Master music theory with interactive exercises focused on chord and Roman numeral analysis. Practice constructing chords, analyzing progressions, and improving your musical ear through various training modes and customizable settings.
- Chord to Roman numeral training
- Chord construction exercises
- Chord construction with keyboard
- Chord progression analysis
- Selectable difficulty levels
- Support for inverted chords
- Performance reports
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"This app is a great way to learn your chords. It is simple, robust and well written, and has positive comments when you start it up." -- 5-Star App Store Review Master Roman numeral analysis and chord progressions. Whether you are preparing for AP Music Theory, ABRSM exams, or college-level harmony classes, Harmonic Analysis is your complete pocket tutor for understanding how chords work. Ditch the paper worksheets and practice interactively through four dedicated training modules: Roman Numeral Analysis • Identify the correct Roman numeral for the chord displayed on the staff. Chord Construction • Read a Roman numeral and build the correct chord directly on the sheet music. Keyboard Construction • Translate theory to practice by constructing the requested chord on an interactive piano keyboard. Progression Analysis • Analyze a sequence of Roman numerals and select the correct musical progression. Core Features for Serious Musicians • Comprehensive Clefs: Practice in Treble, Bass, Soprano, Alto, Tenor, and Baritone clefs. • All Keys Covered: Work across all 15 major and 15 minor key signatures. • Inversions: Full support for root position and inverted chords. • Audio Playback: Hear what you build—play and arpeggiate chords to train your ear alongside your eyes. • Smart Review: Flag difficult questions and keep a dedicated list for focused review sessions. • Track Progress: Monitor your accuracy and growth with detailed performance reports. Subscriptions • Payment will be charged to your Apple ID account at the confirmation of purchase. • The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. • Your account will be charged for renewal within 24 hours prior to the end of the current period. • You can manage and cancel your subscriptions by going to your App Store account settings after purchase. • You will not be able to cancel the subscription once activated. Support & FAQ Do you have any questions? Visit our FAQ page at https://sightsinging.app/faq for detailed instructions and troubleshooting tips. You also can reach us by email at support@sightsinging.app. • Terms & Conditions https://sightsinging.app/terms-and-conditions • Privacy Policy https://sightsinging.app/privacy-policy
iRhythm Random
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iRhythm Random is designed for musicians, students and teachers who want to improve rhythm reading in a practical, immediate and customizable way. The app generates random rhythm exercises and displays them clearly on the staff, allowing you to read, listen and play rhythms with precision. You can adjust the BPM, choose the reference sound, enable the metronome, use drum loops and adapt each practice session to your level. This new version introduces a completely renewed experience, with a modern interface, more intuitive controls and new features created to make daily rhythm practice more effective. Main features: • Random generation of rhythm patterns • Catalog with 197 rhythmic forms • Two-round mode for progressive exercises • Adjustable metronome • Drum loop styles for practicing with rhythmic accompaniments • Sound selection including voice, snare, claps and cowbell • Timer for focused practice sessions • Presets to save custom configurations • Color themes to adapt the interface to your style • PDF export to create customized exercises iRhythm Random is ideal for training precision, reading, listening and rhythmic independence, both for individual study and for lessons or teaching activities.
Screenshots
Verdict
The clearest difference is price: Harmonic Analysis at Free against iRhythm Random's $6.99. Harmonic Analysis also leads on update cadence (every 2 days vs every 10 days). iRhythm Random's advantage is in-app purchases (none vs 3). 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
Harmonic Analysis is free to download; iRhythm Random costs $6.99 up front. Harmonic Analysis sells 3 in-app purchases, starting at $3.99 per month. iRhythm Random asks for nothing beyond the download.
Harmonic Analysis ships an update every 2 days, iRhythm Random every 10 days. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.
| Parameter | Harmonic Analysis | iRhythm Random |
|---|---|---|
| Price | Free — better | $6.99 |
| Rating | 4.8 (22 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 22 — better | — |
| Update frequency | Every 2 days — better | Every 10 days |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 84 MB | 300 MB |
| Age rating | 4+ | 4+ |
| Developer | Deeryard LLC | Maurizio Salvi |
In-app purchases
Harmonic Analysis
- Premium Access Monthly$3.991 Month
- Premium Access Yearly$39.991 Year
- One-time Payment$159.99
iRhythm Random
No in-app purchases
Questions
Is Harmonic Analysis free?
Is iRhythm Random free?
Do Harmonic Analysis or iRhythm Random have ads?
Which is updated more often, Harmonic Analysis or iRhythm Random?
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