Comparison

Mulch Tune vs sumFX

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

Head to head
About

Mulch Tune

This app distorts audio and generates stunning real-time visualizations. You can save the created images directly to your device.

Highlights
  • Real-time audio distortion
  • Beautiful image visualizations
  • Save visualizations to device
  • Works with device audio
Features
Read full description

Distort audio and produce beautiful visualizations in real time. Mulch Tune app applies novel mulch in time technique to audio and video on your device to produce beautiful images, which can be saved on your device

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

Mulch Tune1 screens
sumFX3 screens

Verdict

The call

The clearest difference is review sentiment: sumFX at 55% against Mulch Tune's 0%. sumFX also leads on rating (4.4 vs 2.0) and ratings volume (12 vs 3). Mulch Tune's advantage is price (Free vs $9.99) and update cadence (every 5 days vs every 6 months). On ads, in-app purchases and device support 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

Mulch Tune is free to download; sumFX costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

sumFX holds the better App Store score, 4.4 against 2.0. Both are backed by a comparable volume of ratings — 3 and 12 respectively. Written reviews point the same way: 0% of Mulch Tune's written reviews are positive against 55% of sumFX's.

UpkeepUpdate frequency

Mulch Tune ships an update every 5 days, sumFX every 6 months. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.

Scorecard7 real differences · 3 level
Mulch Tune versus sumFX: the parameters behind the verdict, then further details
ParameterMulch TunesumFX
PriceFree — better$9.99
Rating2.0 (3 ratings)4.4 (12 ratings) — better
Positive reviews0.0% of reviews54.5% of reviews — better
Number of ratings312 — better
Update frequencyEvery 5 days — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.2 — better12.0
Further details — not scored
Size3 MB44 MB
Age rating4+4+
DeveloperVladimir GusevOSC Audio

Customer experience

Mulch Tune

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

sumFX

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

In-app purchases

None

Mulch Tune

No in-app purchases

None

sumFX

No in-app purchases

Questions

Is Mulch Tune free?
Mulch Tune is free to download, with no in-app purchases.
Is sumFX free?
sumFX costs $9.99, with no in-app purchases.
Which has better reviews, Mulch Tune or sumFX?
sumFX is rated higher. Mulch Tune averages 2.0 out of 5 from 3 ratings, while sumFX averages 4.4 from 12 ratings.
Do Mulch Tune or sumFX have ads?
Neither Mulch Tune nor sumFX shows ads.
Which is updated more often, Mulch Tune or sumFX?
Mulch Tune ships an update every 5 days, and sumFX every 6 months. Most recently, Mulch Tune was updated on October 6, 2026 and sumFX on October 9, 2026.

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