BLEASS Motion FX vs sumFX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BLEASS Motion FX
This app provides a creative workflow for sound design with 11 distinct effects. Dynamically modulate these effects using a versatile motion sequencer to explore new sonic territories. Load multiple instances for complex sound manipulation.
- 11 unique audio effects
- Versatile motion sequencer
- Dynamic parameter modulation
- Load multiple instances
- Cross-platform availability (iOS, Windows, macOS)
Read full descriptionHide full description
BLEASS Motion FX offers a new and creative workflow to effects sound design. Choose between 11 different effects and dynamically modulate it thanks to a highly versatile motion sequencer. Load as many instances of Motion FX as you want and unveil new sonic territories! BLEASS Motion FX contains 11 different effects which you can modulate precisely thanks to an intuitive and comprehensive sequencer. The 11 effects included are: - Low Pass Filter - High Pass Filter - Band Pass Filter - Volume - Pan - Pitch Shifter - Frequency Shifter - Ring Modulator - Warmth - Bit Crusher - Delay Each effect has a parameter automated by the sequencer and can have one or more secondary parameters. Pick an effect and then modulate it dynamically thanks to the motion sequencer. When switching effects, the motion sequencer keeps its state to invite you to new sound design ideas! BLEASS Motion FX is also available for Windows & macOS More detailed information are available on https://www.bleass.com/motionfx/
sumFX
This app is a versatile audio effects processor for musicians. It offers a modular design with multiple high-quality FX modules and customizable slots, allowing for quick creation of unique sounds. Focus on your music with intuitive controls and visual feedback.
- Modular multi-FX processor
- 8 high-quality FX modules
- 8 FX slots with Wet/Dry control
- 2 LFOs per slot
- 50+ cross-platform presets
- Pre/post waveform view
Read full descriptionHide full description
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.
Screenshots
Verdict
The clearest difference is review sentiment: BLEASS Motion FX at 100% against sumFX's 55%. BLEASS Motion FX also leads on rating (4.8 vs 4.4) and price ($7.99 vs $9.99). sumFX's advantage is update cadence (every 6 months vs every 54 months). On ratings volume, ads, in-app purchases and monetization model 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
BLEASS Motion FX costs $7.99 and sumFX $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.
BLEASS Motion FX holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 13 and 12 respectively. Written reviews point the same way: 100% of BLEASS Motion FX's written reviews are positive against 55% of sumFX's.
BLEASS Motion FX ships an update every 54 months, sumFX every 6 months. The most recent releases landed on September 20, 2026 and September 7, 2026 respectively.
| Parameter | BLEASS Motion FX | sumFX |
|---|---|---|
| Price | $7.99 — better | $9.99 |
| Rating | 4.8 (13 ratings) — better | 4.4 (12 ratings) |
| Positive reviews | 100.0% of reviews — better | 54.5% of reviews |
| Number of ratings | 13 — better | 12 |
| Update frequency | Every 54 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 28 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | BLEASS | OSC Audio |
Customer experience
BLEASS Motion FX
sumFX
In-app purchases
BLEASS Motion FX
No in-app purchases
sumFX
No in-app purchases









