# Guitar Tuner vs CentiGrade Visual Tuner

The clearest difference is price: Guitar Tuner 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 every 3 weeks). On rating, ratings volume, ads and device support there is nothing between them.

Guitar Tuner is free to download; CentiGrade Visual Tuner costs $0.99 up front. Guitar Tuner sells 3 in-app purchases, starting at $2.99 per 7 days. CentiGrade Visual Tuner asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Guitar Tuner against 5.0 for CentiGrade Visual Tuner. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Guitar Tuner ships an update every 3 weeks, CentiGrade Visual Tuner every 4 days. The most recent releases landed on September 15, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Guitar Tuner | CentiGrade Visual Tuner |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/guitar-tuner-precision/id6758615933/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/centigrade-visual-tuner/id6758646319/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | **Free** | Paid |
| Size | 8 MB | 18 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Unlimited Ideas LAB LTD](https://appshunter.io/developer/1697102672) | [PHILIP BRADLEY KING](https://appshunter.io/developer/1874172215) |

## What reviewers say

### Guitar Tuner

[App page](https://appshunter.io/ios/app/guitar-tuner-precision/id6758615933)

This app offers fast, accurate, and reliable tuning for a wide range of stringed instruments. It features real-time pitch detection, visual feedback, and numerous presets to help musicians of all levels achieve perfect pitch.

**Highlights:** Real-time pitch detection, Analog dial with visual feedback, Supports over 20 instruments, Rich tuning presets, Adjustable reference pitch, Metronome with adjustable tempo, Daily practice tracker

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly PRO Subscription | $2.99 | per 7 days |
| Annual Subscription | $8.99 | per year |
| Lifetime Pro | $9.99 | one-time |


### 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 Guitar Tuner free?

Guitar Tuner 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.

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

Guitar Tuner and CentiGrade Visual Tuner are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

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

Neither Guitar Tuner nor CentiGrade Visual Tuner shows ads.

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

Guitar Tuner ships an update every 3 weeks, and CentiGrade Visual Tuner every 4 days. Most recently, Guitar Tuner was updated on September 15, 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.*