Comparison

Spatializer vs Melo Mixer

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

Melo Mixer

Record, store, and edit your own music with this voice recording app. It offers live updates during recording, instant playback, and a visual waveform editor for precise audio adjustments. Create and manage your music library with ease.

Highlights
  • Personalized profiles
  • Import song files
  • Live recording updates
  • Instant playback
  • Persistent music library
  • Visual waveform editing
Read full description

Melo Mixer is a dynamic voice recording app that empowers users to create their own music with ease. From signing up and creating personalized profiles to importing song files, the app offers a seamless experience for recording, storing, and editing audio. Key features include live updates during recording, instant playback, and a persistent music library where users can search, rename, and modify their recordings. The Edit Recording tab introduces a visual waveform, allowing users to fine-tune their recordings with precision, making Melo Mixer the ultimate tool for budding musicians and audio creators.

Screenshots

Spatializer2 screens
Melo Mixer4 screens

Verdict

The call

The clearest difference is price: Melo Mixer at Free against Spatializer's $9.99. Melo Mixer also leads on update cadence (daily vs every 2 months) and rating (5.0 vs 4.8). Spatializer's advantage is ratings volume (27 vs 2) and device support (3 vs 1). On ads and in-app purchases 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

Melo Mixer is free to download; Spatializer costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Melo Mixer holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Spatializer has 27 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 91% of Spatializer's written reviews are positive against 100% of Melo Mixer's.

UpkeepUpdate frequency

Spatializer ships an update every 2 months, Melo Mixer daily. The most recent releases landed on October 22, 2026 and October 21, 2026 respectively.

Scorecard8 real differences · 2 level
Spatializer versus Melo Mixer: the parameters behind the verdict, then further details
ParameterSpatializerMelo Mixer
Price$9.99Free — better
Rating4.8 (27 ratings)5.0 (2 ratings) — better
Positive reviews90.9% of reviews100.0% of reviews — better
Number of ratings27 — better2
Update frequencyEvery 2 monthsDaily — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.1 — better17.0
Further details — not scored
Size13 MB14 MB
Age rating4+4+
DeveloperquantovoxRandy Messo

Customer experience

Spatializer

All ratings27 ratings
Positive96.3%
Neutral0.0%
Negative3.7%
Written reviews11 reviews
Positive90.9%
Neutral9.1%
Negative0.0%

Melo Mixer

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Spatializer

No in-app purchases

None

Melo Mixer

No in-app purchases

Questions

Is Spatializer free?
Spatializer costs $9.99, with no in-app purchases.
Is Melo Mixer free?
Melo Mixer is free to download, with no in-app purchases.
Which has better reviews, Spatializer or Melo Mixer?
Melo Mixer is rated higher. Spatializer averages 4.8 out of 5 from 27 ratings, while Melo Mixer averages 5.0 from 2 ratings.
Do Spatializer or Melo Mixer have ads?
Neither Spatializer nor Melo Mixer shows ads.
Which is updated more often, Spatializer or Melo Mixer?
Spatializer ships an update every 2 months, and Melo Mixer daily. Most recently, Spatializer was updated on October 22, 2026 and Melo Mixer on October 21, 2026.

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