Comparison

ClefMastery vs ChordCue

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

Head to head
About

ClefMastery

Features
Read full description

ClefMastery helps you build fluency in treble, bass, alto, and tenor clefs through quiz-style practice, scales, and arpeggios. Whether you’re a student, instrumentalist, or vocalist, you can strengthen note recognition and sight reading. Practice Your Way β€’ Tap to answer: Choose the correct note name by tapping a button. β€’ Play to answer: Use your instrument or voice; real-time pitch detection recognizes your notes! Scales & Arpeggios β€’ Scales: Practice major, natural minor, harmonic minor, and melodic minor. Choose root note, direction (ascending, descending, or both), and octaves. β€’ Arpeggios: Build custom chord lists with major, minor, diminished, augmented, and 7th chords. Pick root, quality, inversion, and direction. Chord labels on the staff show your progress through each pattern. β€’ Scales and arpeggios require answering with your instrument or voice (no note buttons). All Four Clefs β€’ Viola player? Cello player? No worries. We have alto and tenor clefs! β€’ Practice treble, bass, alto, and tenor clefs separately or together in realistic scenarios. β€’ Key signatures from the full Circle of Fifths are supported, so you learn correct spellings in any key. Built for Musicians β€’ Instrument presets: Quickly choose from violin, cello, piano, voice, and other instruments to set your ranges. β€’ Flexible settings: Instrument not in the presets? No worries. Just choose your note range and any transposition! β€’ USB and external mics: Use your external audio interfaces with ease. β€’ Pitch tolerance: Adjust sensitivity for fretless instruments and vibrato. You control how precise you have to be. β€’ Audio hints: Optional reference tones when you’re stuck. β€’ Intelligent sequencing: We plan the quiz intelligently to move around in pitch without making you do massive shifts on your instrument, yet still cover the full range. Stay Motivated β€’ Badges will highlight when you reach milestones! β€’ Stats: Track accuracy, problem notes, and progress over time. β€’ iCloud sync: History, stats, and settings sync across your Apple devices (iPad, iPhone, and MacOS apps). Try it Free! Start using it right away with no prompts or nags for 7-days, then a one-time purchase for full access. No subscription necessary.

About

ChordCue

Features
Read full description

ChordCue is an interactive app for learning modern (jazz & pop) chords by **hearing, seeing, and understanding them through scale degrees.** Tap any chord to get instant representations: β€’ Sound β€” block-chord and arpeggio playback β€’ Keyboard β€” chord tones highlighted on a piano with note names and degrees (1, b3, #11, …) β€’ Staff β€” notated on the treble clef with accidentals (flats and double-flats included) β€’ Guitar β€” auto-generated fingering diagrams on a standard-tuning fretboard (browse positions and shapes, plus a minimal-voicing view) Highlights β€’ 34 chord qualities β€” from triads and sevenths to major/dominant/minor extensions and altered tensions β€’ Four grouping modes β€” by type, by note count, by characteristic degree, or diatonic (a key's 7 chords + progression playback) β€’ Guitar fingering diagrams β€” a playable voicing for any chord at every position, with multiple shapes per position to toggle β€’ Diatonic & progressions β€” the 7 chords of the current root as a major/minor key, with ii–V–I and other progressions to play β€’ Accurate note spelling β€” it writes Eb, not D#. Degree-based spelling gives the right note name in context β€’ Horizontal swipe picker for all 12 roots β€” check a chord in any key instantly β€’ Korean & English, switchable inside the app Built for players and songwriting learners who want to master chord theory systematically.

Screenshots

ClefMastery4 screens
ChordCue4 screens

Verdict

The call

The clearest difference is in-app purchases: ChordCue at none against ClefMastery's 1. ChordCue also leads on update cadence (every 2 days vs every 5 days). ClefMastery's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. ClefMastery sells 1 one-off in-app purchase. ChordCue asks for nothing beyond the download.

UpkeepUpdate frequency

ClefMastery ships an update every 5 days, ChordCue every 2 days. The most recent releases landed on October 1, 2026 and October 8, 2026 respectively.

Scorecard3 real differences Β· 3 level
ClefMastery versus ChordCue: the parameters behind the verdict, then further details
ParameterClefMasteryChordCue
PriceFreeFree
Update frequencyEvery 5 daysEvery 2 days β€” better
AdsNo β€” betterYes
In-app purchasesYesNo β€” better
DevicesiPhone, iPad, iPod, Mac β€” betteriPhone, iPad, iPod
Requires iOS13.013.0
Further details β€” not scored
Size20 MB24 MB
Age rating4+4+
DeveloperChristopher MichaelisS&T Soft

In-app purchases

1 purchases

ClefMastery

One-time1
  • ClefMastery Lifetime Unlock$9.99
None

ChordCue

No in-app purchases

Questions

Is ClefMastery free?
ClefMastery is free to download, with in-app purchases available.
Is ChordCue free?
ChordCue is free to download, with no in-app purchases.
Do ClefMastery or ChordCue have ads?
ChordCue shows ads; ClefMastery does not.
Which is updated more often, ClefMastery or ChordCue?
ClefMastery ships an update every 5 days, and ChordCue every 2 days. Most recently, ClefMastery was updated on October 1, 2026 and ChordCue on October 8, 2026.

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