ShadowPlayKA vs Compositor NTP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ShadowPlayKA
This app transforms light and shadow patterns into music as you cycle through outdoor spaces. It uses your smartphone's brightness sensor and a Bluetooth speaker to create a unique auditory experience based on your surroundings.
- Light and shadow as musical score
- Bicycle-mounted smartphone sensor
- Bluetooth speaker integration
- Exploration of urban architecture
- Unique soundscape generation
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ShadowPlay is an exploration of the architecture and light in outdoor spaces through sound. Using a bicycle-mounted smartphone as a brightness sensor and a bluetooth speaker, the mottled patterns of light and shadow become the musical score as one rides along city streets. Supported through the UNESCO City of Media Arts Karlsruhe as well as through the City of Karlsruhe. Scene contributions by Sofy Yuditskaya and Damian Stewart.
Compositor NTP
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Compositor NTP is a single solution for metronome and Ethernet education. It is a real-time device, which uses physical modeling as a source for NTP synchronous signal. Using the iOS version you can transform your iPhone into rhythm modeling station. You can adjust parameters visible on the screen using menus, dials and virtual keyboard. All of the dials smoothly interpolate for click-free performance. Compositor NTP is your entry point into the world of Ethernet communications. It dynamically updates the sound engine in accordance to IP address settings for three loopback channels. - Compositor NTP is an instrument that uses upper-level C++ programming, which makes it available as a pure 64-bit DSP application - First ever musical metronome with odometry - Convenient tempo and tone control - Natal chart of Constellations and month year cycle - Simulation of Solar System objects - Audio loopback and packet simulation - Telescope style control over reverberation channel
Screenshots
Verdict
The clearest difference is price: ShadowPlayKA at Free against Compositor NTP's $2.99. ShadowPlayKA also leads on iOS requirement (13.0 vs 16.2). Compositor NTP's advantage is update cadence (every 2 months vs every 25 months). On ads, in-app purchases 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
ShadowPlayKA is free to download; Compositor NTP costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
ShadowPlayKA ships an update every 25 months, Compositor NTP every 2 months. The most recent releases landed on June 1, 2026 and June 4, 2026 respectively.
| Parameter | ShadowPlayKA | Compositor NTP |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 25 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.2 |
| Further details — not scored | ||
| Size | 6 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Daniel Wilcox | Ruslan Yusipov |
In-app purchases
ShadowPlayKA
No in-app purchases
Compositor NTP
No in-app purchases
Questions
Is ShadowPlayKA free?
Is Compositor NTP free?
Do ShadowPlayKA or Compositor NTP have ads?
Which is updated more often, ShadowPlayKA or Compositor NTP?
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