Mulch Tune vs sumFX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mulch Tune
This app distorts audio and generates stunning real-time visualizations. You can save the created images directly to your device.
- Real-time audio distortion
- Beautiful image visualizations
- Save visualizations to device
- Works with device audio
Read full descriptionHide 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
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: 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
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.
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.
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.
| Parameter | Mulch Tune | sumFX |
|---|---|---|
| Price | Free — better | $9.99 |
| Rating | 2.0 (3 ratings) | 4.4 (12 ratings) — better |
| Positive reviews | 0.0% of reviews | 54.5% of reviews — better |
| Number of ratings | 3 | 12 — better |
| Update frequency | Every 5 days — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.2 — better | 12.0 |
| Further details — not scored | ||
| Size | 3 MB | 44 MB |
| Age rating | 4+ | 4+ |
| Developer | Vladimir Gusev | OSC Audio |
Customer experience
Mulch Tune
sumFX
In-app purchases
Mulch Tune
No in-app purchases
sumFX
No in-app purchases









