# Spatializer vs Qithesizer

The clearest difference is rating: Spatializer at 4.8 against Qithesizer's 4.1. Spatializer also leads on review sentiment (91% vs 77%) and price ($9.99 vs $12.99). Qithesizer's advantage is update cadence (fortnightly vs every 2 months). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Spatializer costs $9.99 and Qithesizer $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Spatializer holds the better App Store score, 4.8 against 4.1. Both are backed by a comparable volume of ratings — 27 and 11 respectively. Written reviews point the same way: 91% of Spatializer's written reviews are positive against 77% of Qithesizer's.

Spatializer ships an update every 2 months, Qithesizer fortnightly. The most recent releases landed on September 27, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Spatializer | Qithesizer |
| --- | --- | --- |
| Price | **$9.99** | $12.99 |
| Rating | **[4.8 (27 ratings)](https://appshunter.io/ios/app/spatializer/id1574889552/reviews)** | [4.1 (11 ratings)](https://appshunter.io/ios/app/qithesizer/id6444722040/reviews) |
| Number of ratings | **27** | 11 |
| Positive reviews | **90.9% of reviews** | 76.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Paid | Paid |
| Size | 13 MB | 29 MB |
| Requires iOS | **12.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [quantovox](https://appshunter.io/developer/484686124) | [Robkoo Information & Technologies Co., Ltd.](https://appshunter.io/developer/987892941) |

## What reviewers say

### Spatializer

[App page](https://appshunter.io/ios/app/spatializer/id1574889552)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Qithesizer

[App page](https://appshunter.io/ios/app/qithesizer/id6444722040)

This advanced music synthesizer combines virtual analog, wavetable, and physical modeling sound engines. It offers extensive modulation capabilities, a built-in sequencer, and on-screen keyboard for creating complex sounds.

**Highlights:** Multiple sound engines (virtual analog, wavetable, physical modeling), Extensive modulation sources and destinations, Full MIDI mapping, 16-step sequencer with pattern editor, Waveform and dynamic visualizations, On-screen keyboard

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Spatializer free?

Spatializer costs $9.99, with no in-app purchases.

### Is Qithesizer free?

Qithesizer costs $12.99, with no in-app purchases.

### Which has better reviews, Spatializer or Qithesizer?

Spatializer is rated higher. Spatializer averages 4.8 out of 5 from 27 ratings, while Qithesizer averages 4.1 from 11 ratings.

### Do Spatializer or Qithesizer have ads?

Neither Spatializer nor Qithesizer shows ads.

### Which is updated more often, Spatializer or Qithesizer?

Spatializer ships an update every 2 months, and Qithesizer fortnightly. Most recently, Spatializer was updated on September 27, 2026 and Qithesizer on September 22, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*