Data Culture HSE vs Clefs
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Data Culture HSE
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Мобильное приложение для подготовки к независимым экзаменам по цифровым компетенциям, проводимых в рамках проекта Data Culture в НИУ ВШЭ.
Clefs
Master sheet music reading with daily exercises and a guided course. This app helps you instantly recognize notes across all clefs, from beginner to advanced levels. Practice reading and writing notes, track your progress, and even connect a MIDI keyboard.
- Step-by-step guided course
- Smart spaced review practice
- Reading and writing drills
- Support for all ten clefs
- MIDI keyboard connectivity
- Built-in music theory guide
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Learn to read sheet music fluently. Quick daily exercises, a guided course, and smart review take you from your first notes on the staff to instant recognition in every clef. Clefs is a focused note-reading trainer: no filler, just the skill that unlocks everything else in your musical life. Whether you're starting piano, joining a choir, switching to viola, or finally fixing the bass-clef gap you've had for years — a few minutes a day builds real reading fluency. WHAT YOU GET • A step-by-step course: from the treble staff to key signatures, ledger lines and beyond, with exams to prove your progress • Smart practice that remembers you: spaced review brings back exactly the notes you're about to forget • Reading AND writing drills — recognize notes on the staff, then place them yourself • All ten clefs: treble, bass, alto, tenor, soprano, mezzo-soprano, both baritones, French violin and sub-bass • A daily goal, streaks with freezes, and reminders that adapt to your routine • Detailed statistics for every clef and every note MADE FOR MUSICIANS • Connect a MIDI keyboard and answer on real keys • Warm sampled piano sound, precise notation, custom exercises with your own clefs, key signatures and timers • Built-in theory guide when you want the "why" behind the notes START WHERE YOU ARE A short placement test finds your level, so day one is neither boring nor overwhelming. New notes are introduced gradually, consolidated with review, and tested when you're ready. ONE PURCHASE, EVERYTHING FOREVER No subscription. A single one-time upgrade unlocks the full course, all clefs and the exercise editor — free content lets you build the habit first. Reading music is not a talent — it's a practice. Start today.
Screenshots
Verdict
The clearest difference is in-app purchases: Data Culture HSE at none against Clefs's 1. Data Culture HSE also leads on iOS requirement (12.0 vs 18.0). On price, ads 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
Both are free to download. Clefs sells 1 one-off in-app purchase. Data Culture HSE asks for nothing beyond the download.
| Parameter | Data Culture HSE | Clefs |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | — | Weekly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 32 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Biatrix Media Company | Crazy Ootka Software AB |
In-app purchases
Data Culture HSE
No in-app purchases
Clefs
- Clefs Premium$6.99









