KeyScroll vs Key Lens
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!
Key Lens
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Compose your next song! Sequence chords, melody and bass MIDI tracks. Connects to the rest of your setup. Play hardware synths or instruments in your DAW. Use Key Lens as a MIDI controller over USB or Bluetooth. Build better chord progressions. Find your starting point with common chord progressions from multiple genres. Give your chords movement. Use arpeggios and strum to shape how your chords play. Learn to play your chords on piano. Follow along on piano with easy-to-read charts.
Screenshots
Verdict
The clearest difference is in-app purchases: KeyScroll at none against Key Lens's 1. On price, ads, device support and iOS requirement 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. Key Lens sells 1 one-off in-app purchase. KeyScroll asks for nothing beyond the download.
| Parameter | KeyScroll | Key Lens |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.4 | 16.4 |
| Further details — not scored | ||
| Size | 1 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | Eldar Sadykov | Alex Amayo |
In-app purchases
KeyScroll
No in-app purchases
Key Lens
- Midi Output$9.99
