# lgOpre vs CentiGrade Visual Tuner

The clearest difference is price: lgOpre at Free against CentiGrade Visual Tuner's $0.99. lgOpre also leads on ratings volume (7 vs 1). CentiGrade Visual Tuner's advantage is update cadence (every 4 days vs every 4 months) and iOS requirement (13.0 vs 15.1). On rating, ads, in-app purchases and device support there is nothing between them.

lgOpre is free to download; CentiGrade Visual Tuner costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for lgOpre against 5.0 for CentiGrade Visual Tuner. That said, the two scores are not equally well evidenced: lgOpre has 7 ratings behind it against 1, so its average is the more settled of the two.

lgOpre ships an update every 4 months, CentiGrade Visual Tuner every 4 days. The most recent releases landed on June 1, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | lgOpre | CentiGrade Visual Tuner |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/lgopre/id1100980225/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/centigrade-visual-tuner/id6758646319/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | **Free** | Paid |
| Size | 20 MB | 18 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David Galbraith](https://appshunter.io/developer/1027500488) | [PHILIP BRADLEY KING](https://appshunter.io/developer/1874172215) |

## What reviewers say

### lgOpre

[App page](https://appshunter.io/ios/app/lgopre/id1100980225)

Transform your screen into an interactive audiovisual canvas. Trigger sound blocks with rhythmic dots to create immersive compositions. Save your progress automatically and collaborate with friends.

**Highlights:** Interactive audiovisual canvas, Rhythmic sound block triggering, Automatic progress saving, Side-by-side collaboration, Mesmerizing visual effects, Harmonious sound creation

**Features:** macOS Compatibility

**In-app purchases:** none


### 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

**In-app purchases:** none


## Frequently asked questions

### Is lgOpre free?

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

### Is CentiGrade Visual Tuner free?

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

### Which has better reviews, lgOpre or CentiGrade Visual Tuner?

lgOpre and CentiGrade Visual Tuner are both rated 5.0 out of 5 on the App Store, from 7 and 1 ratings respectively.

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

Neither lgOpre nor CentiGrade Visual Tuner shows ads.

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

lgOpre ships an update every 4 months, and CentiGrade Visual Tuner every 4 days. Most recently, lgOpre was updated on June 1, 2026 and CentiGrade Visual Tuner on September 9, 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.*