# Koto Master vs spectwhirl

The clearest difference is ads: spectwhirl at none against Koto Master's shown. Koto Master's advantage is price ($2.99 vs $4.99). On in-app purchases, device support and iOS requirement there is nothing between them.

Koto Master costs $2.99 and spectwhirl $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Koto Master | spectwhirl |
| --- | --- | --- |
| Price | **$2.99** | $4.99 |
| Rating | — | **[4.0 (5 ratings)](https://appshunter.io/ios/app/spectwhirl/id6471030896/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | — | Every 5 weeks |
| Monetization | — | Paid |
| Size | 130 MB | 7 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SENSOR NOTES JOINT STOCK COMPANY](https://appshunter.io/developer/1578811305) | [Alexey Nadzharov](https://appshunter.io/developer/729549192) |

## What reviewers say

### Koto Master

[App page](https://appshunter.io/ios/app/koto-master/id6447333997)

**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 Koto Master free?

Koto Master costs $2.99, with no in-app purchases.

### Is spectwhirl free?

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

### Do Koto Master or spectwhirl have ads?

Koto Master shows ads; spectwhirl does not.

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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.*