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About sumFX

sumFX is a modular multi-FX processor for Mac/PC and iOS. Designed with simplicity in mind, to help keep you focused on the music and the sum of your efforts. Packed with 8 high quality FX modules and an available 8 slots, each loaded with Wet/Dry control, Global Wet/Dry, and 2 LFOs per slot, creating new unique sounds is quick and easy. 50+ cross-platform slot & chain presets are included to get you to any sound you need quickly and we’ve packed in an easy to use pre/post waveform view to help keep you focused on the result of your FX. Modules: -syncDynamics - Multimode dynamic FX with BPM sync attack/release (Noise Gate, Expander, Compressor, Limiter) -stereoFilter - Stereo filter with link or individual channel controls (LPF12, HPF12, BPF12, LPF24, HPF24, BPF24, Notch, & Formant options). -variMod - Multimode modulation FX with stereo offset (Chorus, Flanger,  Vibrato, Phaser, Tremolo,  & Auto Pan) -EQuator - Full high quality EQ module (3 Parametric Bands, High/Low Shelf, & HPF/LPF). -frostReverb - Multi-Mode (Original, Plate, Spring, Room) Stereo Reverb.  -bucketDelay - Stereo Analog Style Delay with individual channel control. -variPitch - Stereo Pitch Shifter with 3X Modes (Doubler, Harmonizer, & Full Control) -powerPhase - Multimode Saturation, Utility Gain In/Out, Mono Maker, Channel msDelay, & Phase inverter.

Ratings & reviews

4.4

12 ratings

5 ★ 67% 4 ★ 17% 3 ★ 8% 2 ★ 8% 1 ★ 0%

What’s new

Version 1.1 · Updated July 16, 2024

-Reorganized GUI for easier access of all available functions -Added Drag & drop swap functionality for Slot FX -Added Zoom + / - and Mono/Stereo options for Waveform view -Quicker Preset Management (no more slow File Chooser!) & submenus for easier navigation -All Factory Presets redesigned and new Presets added -New “Smooth” Saturation mode in Utility for unique harmonic enhancement -Improved downsampling algorithm for Bit Crusher in Utility -Modulation FX improved response, increased range & BPM sync added to all modes -Delay DSP redone for smoother, tape-style rate changes -3 Reverb Modes Added Plate, Spring, Room (in addition to the original “Original”) -Equalizer Gain, Frequency, & Q now assignable to LFO 1 & 2 -Dynamic Meter now shows GR (Gain Reduction) value -General DSP overhaul for smoother parameter changes -Completely refactored LFO section for better reliability -Improved Utility Meter Module for RMS & Peak Value Display -Fixed BPM calculations to be in real time & fixed triple/double value inconsistancies -Fixed Dynamics potential to open with 0 Attack/Release causing no output -Fixed Reverb GUI screen element centering going too far with larger size options. -Fixed potential recall issues with Presets & Sessions (Warning! Older presets might need to be re-saved and might load slower the first time after update)

App privacy

The developer, OSC Audio, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

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