# JHG Rhythm Toolkit vs CentiGrade Visual Tuner

The clearest difference is price: JHG Rhythm Toolkit at Free against CentiGrade Visual Tuner's $0.99. CentiGrade Visual Tuner's advantage is in-app purchases (none vs 3) and update cadence (every 4 days vs monthly). On ads and device support there is nothing between them.

JHG Rhythm Toolkit is free to download; CentiGrade Visual Tuner costs $0.99 up front. JHG Rhythm Toolkit sells 3 in-app purchases, starting at $0.99 per month. CentiGrade Visual Tuner asks for nothing beyond the download.

JHG Rhythm Toolkit ships an update monthly, CentiGrade Visual Tuner every 4 days. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | JHG Rhythm Toolkit | CentiGrade Visual Tuner |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/centigrade-visual-tuner/id6758646319/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | — | Paid |
| Size | 37 MB | 18 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Jamie Harrison Media Ltd.](https://appshunter.io/developer/1498374304) | [PHILIP BRADLEY KING](https://appshunter.io/developer/1874172215) |

## What reviewers say

### JHG Rhythm Toolkit

[App page](https://appshunter.io/ios/app/jhg-rhythm-toolkit/id6471913481)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| 7 Days Free Trial | $8.99 | per year |
| Annual Subscription | $8.99 | per year |


### 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


## Frequently asked questions

### Is JHG Rhythm Toolkit free?

JHG Rhythm Toolkit is free to download, with in-app purchases available.

### Is CentiGrade Visual Tuner free?

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

### Do JHG Rhythm Toolkit or CentiGrade Visual Tuner have ads?

Neither JHG Rhythm Toolkit nor CentiGrade Visual Tuner shows ads.

### Which is updated more often, JHG Rhythm Toolkit or CentiGrade Visual Tuner?

JHG Rhythm Toolkit ships an update monthly, and CentiGrade Visual Tuner every 4 days. Most recently, JHG Rhythm Toolkit was updated on October 16, 2026 and CentiGrade Visual Tuner on October 17, 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.*