keffeine
Sebastian Mueller Music iPhoneiPadiPod touch
keffeine is a free Music app for iPhone and iPad by Sebastian Mueller. Requires iOS 26.0. Updated March 10, 2026.
- Price
- Free
- on the App Store
- Size
- 5 MB
- Age 4+
- Updated
- Mar 10
- 2026 · v1.2
Screenshots
About keffeine
keffeine is a companion app for your KEF LSX II wireless speakers. It turns your iPhone or iPad into a dedicated “now playing” screen with focused controls and a simple, glanceable layout. Use this as an always-on display next to your existing entertainment system. Ambient Display: Minimal UI and Artwork stays visible while tracks change; fallback only appears when needed. Intuitive Controls: Skip tracks, play/pause, and adjust volume with large touch targets. Adaptive Layouts: Layout adapts to portrait and landscape and scales across iPhone and iPad. Disclaimer: keffeine is an independent app and is not developed by, affiliated with, or endorsed by KEF Ltd. KEF and related marks are property of their respective owners. The app is intended as a personal “now playing” companion for use with existing KEF products. The app requires physical KEF speakers and configured Tidal or Deezer connection for library access.
What’s new
Version 1.2 · Updated March 10, 2026
Unify naming across descriptions and within the app
App privacy
The developer, Sebastian Mueller, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to keffeine
Looking for apps like keffeine? Here are 6 similar apps on the App Store. The highest rated is Midi Poly Grid (5.0/5), and 4 of the 6 are free to download.
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My Little Circle
-
PlayFrame for KEF / Sonos
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Midi Poly Grid
5.0
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Carnaticpedia
4.7
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7III Tap: Live MIDI Controller
4.7
-
Wolfgang
5.0
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| keffeine | – | Free | March 10, 2026 | |
| My Little Circle | – | 1.99 USD | Jun 8, 2024 | Compare |
| PlayFrame for KEF / Sonos | – | Free | Jun 29, 2026 | Compare |
| Midi Poly Grid | 5.0 / 5 (8) | 3.99 USD | Sep 2, 2026 | Compare |
| Carnaticpedia | 4.7 / 5 (3) | Free | Dec 16, 2024 | Compare |
| 7III Tap: Live MIDI Controller | 4.7 / 5 (15) | Free | Sep 25, 2026 | Compare |
| Wolfgang | 5.0 / 5 (1) | Free | May 14, 2025 | Compare |
Compare keffeine with the top alternatives: ratings, updates, ASO score and keyword gaps →