KeyScroll vs Rock Arena
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KeyScroll
This app helps musicians intuitively explore and memorize musical modes. Users can adjust notes to visualize key signatures, with clear indicators for major and minor tonics. It also displays modes and their corresponding triads.
- Visualize key signatures
- Major and minor tonic indicators
- List of modes
- Triads with tonal differences
- Intuitive note adjustment
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Master Musical Modes & Keys with Ease! Explore and memorize musical modes intuitively. Scroll up and down to adjust notes, and watch as they automatically align to form key signatures. Key Features: – Instantly visualize key signatures – Major tonic (orange) & minor tonic (blue) for quick reference – List of modes on the left & triads with tonal differences on the right Perfect for musicians, students, and anyone looking to deepen their understanding of music theory! Download now and start exploring musical modes like never before!
Rock Arena
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Discover up to 100 curated rock albums over a 100 day period. Requires an Apple Music Subscription.
Screenshots
Verdict
The clearest difference is price: KeyScroll at Free against Rock Arena's $0.99. KeyScroll also leads on in-app purchases (none vs 3) and iOS requirement (16.4 vs 26.1). On 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
KeyScroll is free to download; Rock Arena costs $0.99 up front. Rock Arena sells 3 one-off in-app purchases. KeyScroll asks for nothing beyond the download.
| Parameter | KeyScroll | Rock Arena |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | — | Every 2 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.4 — better | 26.1 |
| Further details — not scored | ||
| Size | 1 MB | 41 MB |
| Age rating | 4+ | 12+ |
| Developer | Eldar Sadykov | Pieter Hartzenberg |
In-app purchases
KeyScroll
No in-app purchases
Rock Arena
- Purple Icon$0.99
- Blue Icon$0.99
- Green Icon$0.99
