# Krill Synthesizer vs volumeCTRL

The clearest difference is review sentiment: Krill Synthesizer at 100% against volumeCTRL's 50%. Krill Synthesizer also leads on rating (5.0 vs 3.2) and update cadence (weekly vs every 9 months). volumeCTRL's advantage is price ($4.99 vs $11.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Krill Synthesizer costs $11.99 and volumeCTRL $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Krill Synthesizer holds the better App Store score, 5.0 against 3.2. Both are backed by a comparable volume of ratings — 6 and 9 respectively. Written reviews point the same way: 100% of Krill Synthesizer's written reviews are positive against 50% of volumeCTRL's.

Krill Synthesizer ships an update weekly, volumeCTRL every 9 months. The most recent releases landed on October 11, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Krill Synthesizer | volumeCTRL |
| --- | --- | --- |
| Price | $11.99 | **$4.99** |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/krill-synthesizer/id6443337049/reviews)** | [3.2 (9 ratings)](https://appshunter.io/ios/app/volumectrl/id6444421682/reviews) |
| Number of ratings | 6 | **9** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 months |
| Monetization | Paid | Paid |
| Size | 8 MB | 22 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Genuine Soundware](https://appshunter.io/developer/1560880481) | [auDSPr](https://appshunter.io/developer/1439844877) |

## What reviewers say

### Krill Synthesizer

[App page](https://appshunter.io/ios/app/krill-synthesizer/id6443337049)

This virtual analog polyphonic synthesizer offers a streamlined interface for creating quick synth sounds on iPad. It features two oscillators, an LFO, a low-pass filter, two envelopes, and stereo effects, all accessible from a single screen.

**Highlights:** Virtual analog polyphonic synthesizer, Single-screen interface, Two oscillators, One LFO, Low-pass filter, Stereo chorus and ping-pong delay, 64 presets

**Features:** Vision Pro support

**In-app purchases:** none


### volumeCTRL

[App page](https://appshunter.io/ios/app/volumectrl/id6444421682)

Gain precise control over your device's audio levels with this utility app. Adjust volume by percentage or dBFS, fine-tune with incremental steps, and temporarily dim or mute sound. Ideal for music, podcasts, and late-night media consumption.

**Highlights:** Precise volume adjustment by percentage or dBFS, Keypad for exact value input, Fine-tune volume with customizable step sizes, Temporary dim and mute functions, Seamless integration with device volume controls, Universal app for iPhone, iPad, and iPod touch

**In-app purchases:** none


## Frequently asked questions

### Is Krill Synthesizer free?

Krill Synthesizer costs $11.99, with no in-app purchases.

### Is volumeCTRL free?

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

### Which has better reviews, Krill Synthesizer or volumeCTRL?

Krill Synthesizer is rated higher. Krill Synthesizer averages 5.0 out of 5 from 6 ratings, while volumeCTRL averages 3.2 from 9 ratings.

### Do Krill Synthesizer or volumeCTRL have ads?

Neither Krill Synthesizer nor volumeCTRL shows ads.

### Which is updated more often, Krill Synthesizer or volumeCTRL?

Krill Synthesizer ships an update weekly, and volumeCTRL every 9 months. Most recently, Krill Synthesizer was updated on October 11, 2026 and volumeCTRL on October 23, 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.*