# Visualised Audio vs Soundra dB Meter

The clearest difference is update cadence: Soundra dB Meter at every 2 weeks against Visualised Audio's every 14 months. Soundra dB Meter also leads on iOS requirement (14.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Visualised Audio sells 3 one-off in-app purchases and Soundra dB Meter sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Visualised Audio ships an update every 14 months, Soundra dB Meter every 2 weeks. Both last shipped on October 8, 2026.

## The numbers

| Metric | Visualised Audio | Soundra dB Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/visualised-audio/id1111275756/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 64 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Magnus Olsson](https://appshunter.io/developer/955492390) | [胜佳 佟](https://appshunter.io/developer/1895576533) |

## What reviewers say

### Visualised Audio

[App page](https://appshunter.io/ios/app/visualised-audio/id1111275756)

This app analyzes single musical notes, displaying their pitch and visualizing harmonics. It helps musicians refine their playing technique by showing accuracy to pitch and the subtle differences in instrument sound through harmonic analysis. It requires microphone access and a quiet environment for optimal performance.

**Highlights:** Monophonic pitch detection, Note and harmonic visualization, Playing technique fine-tuning, Harmonic analysis of instruments, Practice aid for scales, Adjustable sensitivity slider

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small tip | $0.49 | one-time |
| Medium tip | $1.99 | one-time |
| Large tip | $3.99 | one-time |


### Soundra dB Meter

[App page](https://appshunter.io/ios/app/soundra-db-meter/id6770209522)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Soundra Pro Unlock | $3.99 | one-time |


## Frequently asked questions

### Is Visualised Audio free?

Visualised Audio is free to download, with in-app purchases available.

### Is Soundra dB Meter free?

Soundra dB Meter is free to download, with in-app purchases available.

### Do Visualised Audio or Soundra dB Meter have ads?

Neither Visualised Audio nor Soundra dB Meter shows ads.

### Which is updated more often, Visualised Audio or Soundra dB Meter?

Visualised Audio ships an update every 14 months, and Soundra dB Meter every 2 weeks. Most recently, Visualised Audio was updated on October 8, 2026 and Soundra dB Meter on October 8, 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.*