Fettkraft functions as an acoustic prism, spreading component frequencies in time to deliver punchier, more energetic beats without raising RMS levels or artificially boosting low frequencies. The result: deeper “oomphs” and a fatter low-end feel while keeping the signal clean and natural.
Adapted from an ultra-strong dispersion modelling algorithm, Fettkraft achieves high dispersion levels in a single instance (no need to stack multiple plugins like traditional all-pass designs). It focuses on the low and lower-midrange, offering near-ideal phase shifting with a flat frequency response, pristine transients, and no disruptive timing issues from extreme sub-bass phase delays. The algorithm is carefully tuned to eliminate harsh “zappy” artifacts, making it versatile across drum sounds and genres.
Fettkraft runs as a standalone app and AUv3 effect/plugin on iPhone and iPad. It supports sampling rates of 44.1 kHz, 48 kHz, and 96 kHz and integrates seamlessly into AUv3-compatible hosts such as AUM, Loopy Pro, GarageBand, or any iOS DAW.
Key features include:
- Zero-latency dispersion with powerful low- and lower-midrange emphasis
- Near-ideal phase response and flat frequency curve
- Pristine transients (superior to spectral delays)
- No timing disruptions from sub-bass phase delays
- Tuned to avoid “zappy” harshness for maximum versatility
- Simple intensity control (0–9 levels) with real-time visual feedback
- High dispersion in a single instance without cumulative unevenness
- Ideal for kicks, snares, hats, and transient-heavy sources; also works well on bass or certain synths
App price: $5.99
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