# Qithesizer vs spectwhirl

Qithesizer and spectwhirl both sit at 4.1 stars, but that hides the real split: 77% of Qithesizer's written reviews are positive against 33% of spectwhirl's. Qithesizer also leads on update cadence (fortnightly vs every 5 weeks). spectwhirl's advantage is price ($4.99 vs $12.99) and iOS requirement (12.0 vs 15.0). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Qithesizer costs $12.99 and spectwhirl $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.1 for Qithesizer against 4.0 for spectwhirl. Both are backed by a comparable volume of ratings — 11 and 5 respectively. Written reviews are what separate them: 77% of Qithesizer's written reviews are positive against 33% of spectwhirl's.

Qithesizer ships an update fortnightly, spectwhirl every 5 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Qithesizer | spectwhirl |
| --- | --- | --- |
| Price | $12.99 | **$4.99** |
| Rating | **[4.1 (11 ratings)](https://appshunter.io/ios/app/qithesizer/id6444722040/reviews)** | [4.0 (5 ratings)](https://appshunter.io/ios/app/spectwhirl/id6471030896/reviews) |
| Number of ratings | **11** | 5 |
| Positive reviews | **76.9% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Monetization | Paid | Paid |
| Size | 29 MB | 7 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Robkoo Information & Technologies Co., Ltd.](https://appshunter.io/developer/987892941) | [Alexey Nadzharov](https://appshunter.io/developer/729549192) |

## What reviewers say

### 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


### spectwhirl

[App page](https://appshunter.io/ios/app/spectwhirl/id6471030896)

This audio effect app transforms input sound into new textures and bell-like tones by extracting and manipulating sinewave components. It offers advanced control over delay lines, frequency shifting, and filtering, with gesture recording for parameter automation.

**Highlights:** Sinewave component extraction and grouping, Delay lines with feedback, Frequency shifter and sample-and-hold effects, Configurable filtering, Gesture recording for automation, Scene saving and management

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

**In-app purchases:** none


## Frequently asked questions

### Is Qithesizer free?

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

### Is spectwhirl free?

spectwhirl costs $4.99, with no in-app purchases.

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

Qithesizer is rated higher. Qithesizer averages 4.1 out of 5 from 11 ratings, while spectwhirl averages 4.0 from 5 ratings.

### Do Qithesizer or spectwhirl have ads?

Neither Qithesizer nor spectwhirl shows ads.

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

Qithesizer ships an update fortnightly, and spectwhirl every 5 weeks. Most recently, Qithesizer was updated on October 24, 2026 and spectwhirl on October 24, 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.*