# CentiGrade Visual Tuner vs TraceSonic

The clearest difference is price: CentiGrade Visual Tuner at $0.99 against TraceSonic's $7.99. CentiGrade Visual Tuner also leads on update cadence (every 4 days vs every 9 days) and iOS requirement (13.0 vs 17.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

CentiGrade Visual Tuner costs $0.99 and TraceSonic $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CentiGrade Visual Tuner ships an update every 4 days, TraceSonic every 9 days. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | CentiGrade Visual Tuner | TraceSonic |
| --- | --- | --- |
| Price | **$0.99** | $7.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/centigrade-visual-tuner/id6758646319/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 9 days |
| Monetization | Paid | Paid |
| Size | 18 MB | 7 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [PHILIP BRADLEY KING](https://appshunter.io/developer/1874172215) | [r6 appz](https://appshunter.io/developer/491984529) |

## What reviewers say

### CentiGrade Visual Tuner

[App page](https://appshunter.io/ios/app/centigrade-visual-tuner/id6758646319)

This app provides instant, ad-free tuning with a unique rolling trace feature for pitch practice. Its interface dynamically zooms as you approach the target note, offering multiple visual modes and presets for various instruments.

**Highlights:** Instant tuning on launch, Rolling trace for pitch history, Dynamic zoom interface, Fluid wave visualizer, Chromatic, Guitar, Bass presets

**Features:** macOS Compatibility, 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 CentiGrade Visual Tuner free?

CentiGrade Visual Tuner costs $0.99, with no in-app purchases.

### Is TraceSonic free?

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

### Do CentiGrade Visual Tuner or TraceSonic have ads?

Neither CentiGrade Visual Tuner nor TraceSonic shows ads.

### Which is updated more often, CentiGrade Visual Tuner or TraceSonic?

CentiGrade Visual Tuner ships an update every 4 days, and TraceSonic every 9 days. Most recently, CentiGrade Visual Tuner was updated on October 17, 2026 and TraceSonic on October 7, 2026.

---

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