ShadowPlayKA vs SADISS Client
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.
SADISS Client
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SADISS is a web-based application developed in the research project ‘The Choir & the Sound System’ at Anton Bruckner university (Linz, Austria) that bundles smartphones into monumental yet intricate sound systems or choirs. Two different forms of portable seas of sound are possible: (1) a massively multi-channel sound system for re-synthesizing compositions right in the middle of the gathering of listeners using their smartphones’ loudspeakers. (2) facilitating ad hoc choirs of human singers, individually guided via headphones With this app YOU can participate in a SADISS performance. Check out sadiss.net to find events near you!
Screenshots
Verdict
The clearest difference is update cadence: SADISS Client at every 2 weeks against ShadowPlayKA's every 25 months. ShadowPlayKA's advantage is iOS requirement (13.0 vs 15.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ShadowPlayKA ships an update every 25 months, SADISS Client every 2 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.
| Parameter | ShadowPlayKA | SADISS Client |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 25 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 6 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Daniel Wilcox | Amfortas Informationstechnologie GmbH |
In-app purchases
ShadowPlayKA
No in-app purchases
SADISS Client
No in-app purchases
