DLYM vs Filterstep
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DLYM
This app provides rich chorus and flanger audio effects for compatible AUv3 hosts. Transform mono sounds into immersive stereo with advanced processing and intuitive controls. Explore 40 presets and various modulation waveforms to shape unique sounds.
- Chorus and flanger effects
- AUv3 plugin compatibility
- Stereo width control
- Time-syncable modulation waveforms
- Preset manager with 40 patches
- Intuitive interface
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DLYM is a powerful audio effect designed to deliver rich chorus and flanger effects with advanced processing technology. Inspired by the classic chorus of the DRC synth, DLYM elevates this signature sound, bringing it to all compatible AUv3 hosts. Transform any mono sound into immersive stereo, adding subtle depth or creating bold, transformative effects. With 40 presets to ignite your creativity, you’ll be shaping unique sounds in no time. DLYM’s intuitive interface features large, precision knobs for effortless, fine-tuned control, designed to enhance workflow with a focus on simplicity and functionality. Key Features: - 2 Distinct Processing Modes: Analog emulation and Dimension style - 6 Time-Syncable Modulation Waveforms: Sine, Square, Saw, Triangle, Sample & Hold, and Filtered Sample & Hold - Adjustable Stereo Spread for flexible width control - Frequency Crossover/Filter for tailored effect range - Preset Manager with 40 patches for instant inspiration "This is one of the best AU effects available on iOS, hands down. The sounds you can create are just incredible, and the controls give you so much flexibility. Highly recommended for anyone looking to add unique effects to their mixes!” "This is a fantastic AUv3 with huge sonic possibilities. I’ve tried a lot of delay-based effects, but this one offers more options and control. A must-have for sound designers and musicians who want to experiment." "This is one of the best fx plugins on iOS. And the fact that it supports AUv3 just makes it so much more flexible. Great for both subtle and wild effects!" "DLYM is brilliant. I use it to add chorus effects to a range of instruments, and the stereo spread function is incredibly effective. The interface is super user-friendly too." "Absolutely love this modulator! It offers great flexibility and depth in sound manipulation. I’ve even used it on vocals, and the results are fantastic. Must try!" "This app has really improved the quality of my projects! I don’t know what I’d do without it at this point. Highly customizable and always reliable." "One of my go-to effects plugins. I appreciate how responsive the controls are and the wide range of waveforms. The preset manager is also very handy for saving my settings." "Fantastic sound quality and creative options. I can spend hours just exploring different configurations with this. It’s now an essential part of my workflow."
Filterstep
This app offers a creative motion filter plugin for real-time rhythmic movement. Explore intricate patterns and sonic possibilities with various filter effect settings and randomization. Shape any sound into a unique groove.
- Real-time rhythmic movement
- Intricate filter effect settings
- Filter randomization
- Three filter types
- Sequencer movement control
- Infinity mode
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Filterstep is a creative motion filter plugin which provides all kinds of intricate rhythmic movement to any input in real-time. It can give you incredibly complex and nuanced results based on various filter effect settings, and almost infinite possibilities for sonic exploration through filter randomization. You can choose between three filter types, range, frequency, quantization, sequencer movement and more. Craft interesting patterns, or let it run endlessly using the infinity mode. Add filter motion and shape any sound into a groove.
Screenshots
Verdict
The clearest difference is price: Filterstep at Free against DLYM's $3.99. Filterstep also leads on rating (4.7 vs 4.4) and iOS requirement (9.3 vs 17.0). On review sentiment, ratings volume, update cadence and ads 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
Filterstep is free to download; DLYM costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Filterstep holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 109 and 42 respectively. Written reviews point the same way: 72% of DLYM's written reviews are positive against 73% of Filterstep's.
DLYM ships an update every 8 months, Filterstep every 6 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.
| Parameter | DLYM | Filterstep |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 4.4 (109 ratings) | 4.7 (42 ratings) — better |
| Positive reviews | 71.9% of reviews | 73.3% of reviews — better |
| Number of ratings | 109 — better | 42 |
| Update frequency | Every 8 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 9.3 — better |
| Further details — not scored | ||
| Size | 113 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Imaginando Lda | AUDIOMODERN |
Customer experience
DLYM
Filterstep
In-app purchases
DLYM
No in-app purchases
Filterstep
No in-app purchases







