# Metric Flow vs CentiGrade Visual Tuner

The clearest difference is price: CentiGrade Visual Tuner at $0.99 against Metric Flow's $9.99. CentiGrade Visual Tuner also leads on update cadence (every 4 days vs every 9 months) and rating (5.0 vs 4.7). Metric Flow's advantage is ratings volume (7 vs 1). On ads, in-app purchases, monetization model and device support there is nothing between them.

Metric Flow costs $9.99 and CentiGrade Visual Tuner $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CentiGrade Visual Tuner holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Metric Flow has 7 ratings behind it against 1, so its average is the more settled of the two.

Metric Flow ships an update every 9 months, CentiGrade Visual Tuner every 4 days. The most recent releases landed on September 18, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Metric Flow | CentiGrade Visual Tuner |
| --- | --- | --- |
| Price | $9.99 | **$0.99** |
| Rating | [4.7 (7 ratings)](https://appshunter.io/ios/app/metric-flow/id6749366918/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 9 months | **Every 4 days** |
| Monetization | Paid | Paid |
| Size | 58 MB | 18 MB |
| Requires iOS | 17.5 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Thomas Quayle](https://appshunter.io/developer/1830213658) | [PHILIP BRADLEY KING](https://appshunter.io/developer/1874172215) |

## What reviewers say

### Metric Flow

[App page](https://appshunter.io/ios/app/metric-flow/id6749366918)

Generate endless rhythmic patterns for improvisation practice. Visualize rhythms without traditional notation and customize them with advanced options. Export rhythms as audio files for use in DAWs.

**Highlights:** Endless rhythm generation, Visual rhythm representation, Customizable rhythm patterns, Audio export (WAV, AAC), Supports complex time signatures, Built-in drone synthesizer

**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 Metric Flow free?

Metric Flow costs $9.99, 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, Metric Flow or CentiGrade Visual Tuner?

CentiGrade Visual Tuner is rated higher. Metric Flow averages 4.7 out of 5 from 7 ratings, while CentiGrade Visual Tuner averages 5.0 from 1 ratings.

### Do Metric Flow or CentiGrade Visual Tuner have ads?

Neither Metric Flow nor CentiGrade Visual Tuner shows ads.

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

Metric Flow ships an update every 9 months, and CentiGrade Visual Tuner every 4 days. Most recently, Metric Flow was updated on September 18, 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.*