Comparison

ClefMastery vs NeuroEndo Trials

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
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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

NeuroEndo Trials

Features
Read full description

NeuroEndo Trials puts the landmark and ongoing clinical trials of neuroendovascular and stroke care in one fast, beautifully simple reference built by a neurointerventional fellow for the people who actually read these papers. Tap a trial to get a clear summary, the results that matter, and an honest critical appraisal of its limitations and how far the findings apply in practice. Compare trials side by side in seconds. No logins, no clutter, just the evidence and an informed read on it. WHAT'S INSIDE - Landmark trials across thrombectomy, aneurysm, carotid, intracranial atherosclerotic disease, AVM/AVF, venous, MMA embolization, and vasospasm β€” plus a growing stroke library - Plain-language summaries of each trial's design, population, and key findings - Critical appraisal of every trial, limitations, generalizability, and real-world applicability, not just what the trial showed but where it falls short - Side-by-side Compare with the numbers that matter: effect sizes, p-values, NNT, sICH, mortality, recanalization, and more - Ongoing trials updated live from ClinicalTrials.gov - Guideline updates, field news, and the conference calendar that shapes the specialty BUILT FOR - Fellows and residents in neurointerventional surgery, neurosurgery, and vascular neurology - Attendings who want the key numbers at their fingertips - Journal club, case prep, and board review FREE TO START Explore every day for free. Upgrade to Pro for unlimited trial access and the full side-by-side Compare experience. NeuroEndo Trials is an educational and reference tool for healthcare professionals and trainees. It does not provide medical advice and is not intended to guide the diagnosis or treatment of any individual patient. Always rely on your own clinical judgment and primary sources. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://seblaninader-source.github.io/neuroendo-privacy/

Screenshots

ClefMastery4 screens
NeuroEndo Trials4 screens

Verdict

The call

The clearest difference is device support: ClefMastery at 4 against NeuroEndo Trials's 2. ClefMastery also leads on iOS requirement (13.0 vs 15.1). On price, ads and in-app purchases 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 and NeuroEndo Trials sells 1 in-app purchase, starting at $7.99 per year. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences Β· 4 level
ClefMastery versus NeuroEndo Trials: the parameters behind the verdict, then further details
ParameterClefMasteryNeuroEndo Trials
PriceFreeFree
Update frequencyEvery 5 daysβ€”
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod, Mac β€” betteriPhone, iPod
Requires iOS13.0 β€” better15.1
Further details β€” not scored
Size20 MB41 MB
Age rating4+17+
DeveloperChristopher MichaelisNader El Seblani

In-app purchases

1 purchases

ClefMastery

One-time1
  • ClefMastery Lifetime Unlock$9.99
1 purchases

NeuroEndo Trials

Subscriptions1
  • NeuroEndo Pro$7.991 Year

Questions

Is ClefMastery free?
ClefMastery is free to download, with in-app purchases available.
Is NeuroEndo Trials free?
NeuroEndo Trials is free to download, with in-app purchases available.
Do ClefMastery or NeuroEndo Trials have ads?
Neither ClefMastery nor NeuroEndo Trials shows ads.

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