WaveFolder vs MONSTR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WaveFolder
This audio effect app adds harmonics to sound by folding waveforms. It's ideal for enhancing synth leads, transforming drum loops, and creating ambient drones. Customize folding thresholds and modulation for unique sound design.
- Wave folding distortion
- Harmonic addition
- Adjustable folding thresholds
- Modulation of folding amount and symmetry
- Tempo-based or free-running modulators
- Built-in wave shaper
- Color themes
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WaveFolder is a simple Wave Folding Audio Unit Extension. Wave Folding is an interesting distortion effect that adds harmonics to the original signal by folding the waveform back on itself when it exceeds a clipping threshold. WaveFolder is great for adding spice to monophonic synth leads and rhythmic, tempo based modulations can turn drum loops into totally new entities, while long, slow, free running modulations are perfect for dirty ambient drones. WaveFolder lets you set the folding thresholds and modulate the folding amount and symmetry with tempo based or free running modulators. WaveFolder also includes a wave shaper to add even more interest. There is also a short built-in manual and a selection of colour themes.
MONSTR
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MONSTR from White Elephant Audio provides up to six bands of stereo width control to correct mix issues or use for creative effect. Compatible with AUv3 hosts. Also available (for free) on Windows, macOS, and Linux, as a VST3 and AudioUnit: https://www.whiteelephantaudio.com/plugins/monstr MONSTR is an open source project released under the GPL. You can find the source code here: https://github.com/jd-13/MONSTR-Stereo-Imaging
Screenshots
Verdict
The clearest difference is price: MONSTR at $1.99 against WaveFolder's $4.99. MONSTR also leads on iOS requirement (12.0 vs 15.6). 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
WaveFolder costs $4.99 and MONSTR $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | WaveFolder | MONSTR |
|---|---|---|
| Price | $4.99 | $1.99 — better |
| Rating | 4.6 (9 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 9 — better | — |
| Update frequency | Every 3 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Living Memory Software | Jack Devlin |
In-app purchases
WaveFolder
No in-app purchases
MONSTR
No in-app purchases









