Spatializer vs SignatureDLY
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Spatializer
Enhance audio with stereo widening that preserves mono compatibility and avoids phase issues. This tool synthesizes side channel information, ideal for mono sources or adding depth to existing stereo tracks without compromising the mid channel.
- Stereo widening without phase smearing
- Synthesizes side channel information
- Preserves mid channel integrity
- Flexible for mono and stereo sources
- Transparent or strong effect options
- Multiband transient shapers
- Directional RMS distribution visualization
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Spatializer is a great choice if you want to widen your sounds but need to avoid: • phase smearing in the mono mix • phasing / comb filter effects (from asymmetric channel delays) • or any changes to the mid channel or mono mix The plugin's main focus is to enhance sounds that have little or no side channel information, where traditional widening approaches like mid-side processing can't be effectively used. It also offers more flexibility in case of mixed inputs, widening narrow components without boosting already existing stereo width to extreme levels that would drown out the mid channel, leading to stereo image problems. Spatializer can also be combined with other effects, for example it's excellent for augmenting large-scale reverbs by enhancing the more immediate space or effectively moving the listener closer to the virtual sound source. At large timescales, the plugin takes on some of the qualities of a reverb itself, while keeping the mid channel sharp and free of any reflections. This could either be used as a special effect in and of itself (depending on the transient characteristics of the input), or be blended together with traditional ambience or acoustic space simulation effects. FEATURES: • Synthesis of side channel information where there was none (stereoization of mono sources) • Linear phase mid channel • Capability to deliver both a neutral / transparent response as well as stronger effects • Built-in multiband transient shapers for delivering a more focused response by suppressing outlier reflections • Multiple visualization options: Directional RMS distribution, position and motion • Effects can range from close-proximity / spatial audio effects to larger acoustic space reflections • Baseline frequency response is optimized to maximize flatness, balancing the spectral density of Left, Right, Side channels The built-in selection of subtly tuned presets and the combined psychoacoustic properties of the above features give more leeway to easily experiment with kinds of source material that have traditionally presented difficulties, like tracks with prominent LF content. Due to its ability to provide transparent, subtle and high-clarity responses, as well as good spectral density characteristics, Spatializer can also be included in master bus effects chains. In multi-track setups it can be used in parallel with other positioning methods to bring more variation to the sound stage or to provide additional ways to adjust the mix. For audio demos, visit: www.quantovox.com/sp PLEASE NOTE: • AUv3-compatible host application required • Supported sampling rates: 22.05, 44.1, 48, 96 kHz.
SignatureDLY
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SignatureDLY is a professional stereo delay plugin for iPhone and iPad. From tight slap-back to long ambient echoes, it delivers warm, musical repetitions shaped by a filtered feedback loop. Load it in any AUv3 compatible host and sculpt your echo with five intuitive rotary controls. Five Controls. Every Echo. DRY / WET - blend the original signal with the delayed output TIME - set the delay from 10 ms to 2000 ms FEEDBACK - control how many times the echo repeats HIGH CUT - roll off high frequencies inside the feedback loop for analog warmth LOW CUT - remove low-frequency buildup from the repeats Professional Design Hardware-style rotary knobs with graduation marks and real-time value display. Responsive layout adapts to any host window size on both iPhone and iPad. Technical Stereo circular delay buffer — up to 2 seconds at 96 kHz RBJ biquad filters (Low Pass + High Pass) in the feedback chain Zero latency · Zero allocation on audio thread Full preset and automation support Compatible with AU EngineCore, AUM, and all AUv3 hosts #nobodysbanda
Screenshots
Verdict
The clearest difference is price: SignatureDLY at $5.99 against Spatializer's $9.99. Spatializer's advantage is iOS requirement (12.1 vs 15.0). 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
Spatializer costs $9.99 and SignatureDLY $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Spatializer | SignatureDLY |
|---|---|---|
| Price | $9.99 | $5.99 — better |
| Rating | 4.8 (27 ratings) — better | — |
| Positive reviews | 90.9% of reviews | — |
| Number of ratings | 27 — better | — |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.1 — better | 15.0 |
| Further details — not scored | ||
| Size | 13 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | quantovox | Antonio Sorin TASU |
In-app purchases
Spatializer
No in-app purchases
SignatureDLY
No in-app purchases









