Schubert String Quartets vs OnKey
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Schubert String Quartets
Experience classical music with synchronized sheet music that scrolls automatically. Enjoy high-quality recordings of complete string quartets, with features like background playback and adjustable speed.
- Synchronized auto-scrolling sheet music
- Background playback
- AirPrint support
- Adjustable playback speed
- Complete string quartets
- High-quality recordings
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Historic Recording with Flowing Sheet Music SyncScore provides a new way of enjoying classic compositions. You can listen to the music with the score flows in a synchronized timing. Carefully hand-picked, high quality classic recordings. FEATURES - Synchronized auto-scrolling with sheet music. - Background play. - AirPrint support. - Slow down play rate with 0.5X button. ALBUM INFORMATİON Schubert Complete String Quartets Vienna Konzerthaus Quartet - Anton Kamper, 1st violin - Karl Maria Titze, 2nd violin - Erich Weiss, viola - Franz Kvarda, cello 53 tracks 6 hours 19 minutes TRACKS - String Quartet No.1, D.18 - String Quartet No.2, D.32 - String Quartet No.3, D.36 - String Quartet No.4, D.46 - String Quartet No.5, D.68 - String Quartet No.6, D.74 - String Quartet No.7, D.94 - String Quartet No.8, D.112 - String Quartet No.9, D.173 - String Quartet No.10, D.87 - String Quartet No.11, D.353 - String Quartet No.12, D.703 - "Rosamunde" String Quartet No.13, D.804 - "Death and the Maiden" String Quartet No.14, D.810 - String Quartet No.15, D.887
OnKey
This app generates readable, note-based exercises for practicing scales and chords. It's ideal for musicians of all levels looking for a focused and efficient way to improve their technique and theory knowledge without manual preparation.
- Generate note-based exercises
- Select scale or chord type
- Transpose to any key
- Set range and clef
- Choose from various patterns
- Add note names and time signatures
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OnKey Scale Practice is a simple, effective tool that helps musicians practice scales and chords with clarity and focus. Just enter your preferences and instantly generate readable, note-based exercises—no more flipping through books or writing them out by hand. Perfect for warm-ups, technique drills, or theory work, whether you're a beginner or an advanced player. Features: Select your scale or chord type Transpose to any key Set your range and clef Choose from various patterns Add note names and time signatures Designed for flexibility. Built for clarity. For all instruments.
Screenshots
Verdict
The clearest difference is review sentiment: Schubert String Quartets at 100% against OnKey's 0%. Schubert String Quartets also leads on rating (5.0 vs 3.0). OnKey's advantage is update cadence (every 2 months vs every 38 months) and price ($4.99 vs $6.99). On ratings volume, ads, in-app purchases and monetization model 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
Schubert String Quartets costs $6.99 and OnKey $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Schubert String Quartets holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 100% of Schubert String Quartets's written reviews are positive against 0% of OnKey's.
Schubert String Quartets ships an update every 38 months, OnKey every 2 months. The most recent releases landed on October 24, 2026 and November 3, 2026 respectively.
| Parameter | Schubert String Quartets | OnKey |
|---|---|---|
| Price | $6.99 | $4.99 — better |
| Rating | 5.0 (1 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 38 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 14.1 — better |
| Further details — not scored | ||
| Size | 639 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Zininworks Inc. | Rea Meir |
Customer experience
Schubert String Quartets
OnKey
In-app purchases
Schubert String Quartets
No in-app purchases
OnKey
No in-app purchases
Questions
Is Schubert String Quartets free?
Is OnKey free?
Which has better reviews, Schubert String Quartets or OnKey?
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Which is updated more often, Schubert String Quartets or OnKey?
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