# K3 Tones vs TraceSonic

The clearest difference is price: K3 Tones at Free against TraceSonic's $7.99. TraceSonic's advantage is update cadence (every 9 days vs every 8 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

K3 Tones is free to download; TraceSonic costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

K3 Tones ships an update every 8 months, TraceSonic every 9 days. The most recent releases landed on October 27, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | K3 Tones | TraceSonic |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tracesonic/id6798317938/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 9 days** |
| Monetization | — | Paid |
| Size | 11 MB | 7 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [kadosh3, llc](https://appshunter.io/developer/1447650365) | [r6 appz](https://appshunter.io/developer/491984529) |

## What reviewers say

### K3 Tones

[App page](https://appshunter.io/ios/app/k3-tones/id1668442616)

**Features:** Vision Pro support

**In-app purchases:** none


### TraceSonic

[App page](https://appshunter.io/ios/app/tracesonic/id6798317938)

Transform images into unique sounds by drawing on a spectral canvas. This app uses brush strokes and imported images to generate additive synthesis, offering a creative way to craft musical instruments and soundscapes.

**Highlights:** Draw on spectral canvas, Import images to create sound, 128 additive oscillators, Multiple brush types, Pitch snapping to scales, MIDI note input, Save custom patches

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is K3 Tones free?

K3 Tones is free to download, with no in-app purchases.

### Is TraceSonic free?

TraceSonic costs $7.99, with no in-app purchases.

### Do K3 Tones or TraceSonic have ads?

Neither K3 Tones nor TraceSonic shows ads.

### Which is updated more often, K3 Tones or TraceSonic?

K3 Tones ships an update every 8 months, and TraceSonic every 9 days. Most recently, K3 Tones was updated on October 27, 2026 and TraceSonic on October 26, 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.*