# Sing vs ScaleCoach Pro

The clearest difference is rating: Sing at 3.0 against ScaleCoach Pro's 2.0. Sing also leads on update cadence (every 6 months vs every 36 months) and review sentiment (63% vs 50%). ScaleCoach Pro's advantage is price ($3.99 vs $4.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Sing costs $4.99 and ScaleCoach Pro $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Sing holds the better App Store score, 3.0 against 2.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 63% of Sing's written reviews are positive against 50% of ScaleCoach Pro's.

Sing ships an update every 6 months, ScaleCoach Pro every 36 months. The most recent releases landed on October 29, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Sing | ScaleCoach Pro |
| --- | --- | --- |
| Price | $4.99 | **$3.99** |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/sing-intuna/id294767812/reviews)** | [2.0 (2 ratings)](https://appshunter.io/ios/app/scalecoach-pro/id787336207/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | **62.5% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 36 months |
| Monetization | Paid | Paid |
| Size | 2 MB | 8 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HotPaw Productions](https://appshunter.io/developer/285074853) | [Hans Toft-Olsen](https://appshunter.io/developer/637665842) |

## What reviewers say

### Sing

[App page](https://appshunter.io/ios/app/sing-intuna/id294767812)

Visualize your singing or instrument playing pitch with a color-coded graph. This app analyzes audio input to show if you are on, sharp, or flat, helping you train your ear for accurate intonation.

**Highlights:** Color-coded pitch graph, Real-time audio analysis, Visualizes pitch accuracy, Supports singing and instruments, Pitch frequency spectrum display, Monophonic pitch detection

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

**In-app purchases:** none


### ScaleCoach Pro

[App page](https://appshunter.io/ios/app/scalecoach-pro/id787336207)

This app helps musicians master scales and arpeggios with instant pitch detection. It offers various scale modes, custom scale programming, and a polyphonic piano with adjustable tuning. Users can test their intonation and receive feedback on accuracy.

**Highlights:** Major and Melodic Minor scale modes, Custom scale and melody programming, Polyphonic piano with 7 octaves, Adjustable tuning (415-466 Hz), Built-in metronome, Pitch detection and intonation feedback, S.W.Y.P. (See What You Play) feature

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

**In-app purchases:** none


## Frequently asked questions

### Is Sing free?

Sing costs $4.99, with no in-app purchases.

### Is ScaleCoach Pro free?

ScaleCoach Pro costs $3.99, with no in-app purchases.

### Which has better reviews, Sing or ScaleCoach Pro?

Sing is rated higher. Sing averages 3.0 out of 5 from 2 ratings, while ScaleCoach Pro averages 2.0 from 2 ratings.

### Do Sing or ScaleCoach Pro have ads?

Neither Sing nor ScaleCoach Pro shows ads.

### Which is updated more often, Sing or ScaleCoach Pro?

Sing ships an update every 6 months, and ScaleCoach Pro every 36 months. Most recently, Sing was updated on October 29, 2026 and ScaleCoach Pro on October 13, 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.*