Comparison

BLEASS Motion FX vs sumFX

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 11 unique audio effects
  • Versatile motion sequencer
  • Dynamic parameter modulation
  • Load multiple instances
  • Cross-platform availability (iOS, Windows, macOS)
Read 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/

About

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.

Highlights
  • 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
Features
Read 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

BLEASS Motion FX4 screens
sumFX3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
BLEASS Motion FX versus sumFX: the parameters behind the verdict, then further details
ParameterBLEASS Motion FXsumFX
Price$7.99 — better$9.99
Rating4.8 (13 ratings) — better4.4 (12 ratings)
Positive reviews100.0% of reviews — better54.5% of reviews
Number of ratings13 — better12
Update frequencyEvery 54 monthsEvery 6 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better12.0
Further details — not scored
Size28 MB44 MB
Age rating4+4+
DeveloperBLEASSOSC Audio

Customer experience

BLEASS Motion FX

All ratings13 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

sumFX

All ratings12 ratings
Positive83.3%
Neutral8.3%
Negative8.3%
Written reviews11 reviews
Positive54.5%
Neutral18.2%
Negative27.3%

In-app purchases

None

BLEASS Motion FX

No in-app purchases

None

sumFX

No in-app purchases

Questions

Is BLEASS Motion FX free?
BLEASS Motion FX costs $7.99, with no in-app purchases.
Is sumFX free?
sumFX costs $9.99, with no in-app purchases.
Which has better reviews, BLEASS Motion FX or sumFX?
BLEASS Motion FX is rated higher. BLEASS Motion FX averages 4.8 out of 5 from 13 ratings, while sumFX averages 4.4 from 12 ratings.
Do BLEASS Motion FX or sumFX have ads?
Neither BLEASS Motion FX nor sumFX shows ads.
Which is updated more often, BLEASS Motion FX or sumFX?
BLEASS Motion FX ships an update every 54 months, and sumFX every 6 months. Most recently, BLEASS Motion FX was updated on September 20, 2026 and sumFX on September 7, 2026.

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