# Bluetooth Toolkit vs Sound Meter

The clearest difference is in-app purchases: Bluetooth Toolkit at none against Sound Meter's 2. Bluetooth Toolkit also leads on ads (none vs shown) and device support (3 vs 1). Sound Meter's advantage is update cadence (weekly vs every 10 months). On price there is nothing between them.

Both are free to download. Sound Meter sells 2 in-app purchases, starting at $1.99 per year. Bluetooth Toolkit asks for nothing beyond the download.

Bluetooth Toolkit ships an update every 10 months, Sound Meter weekly. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Bluetooth Toolkit | Sound Meter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Weekly** |
| Size | 19 MB | 5 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [DaWei Chou](https://appshunter.io/developer/979936610) | [VELTORA LLC](https://appshunter.io/developer/6780920672) |

## What reviewers say

### Bluetooth Toolkit

[App page](https://appshunter.io/ios/app/bluetooth-toolkit/id6742171850)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sound Meter

[App page](https://appshunter.io/ios/app/sound-meter-db-spl-veltora/id6802572142)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Annual | $1.99 | per year |
| Premium Lifetime | $4.99 | one-time |


## Frequently asked questions

### Is Bluetooth Toolkit free?

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

### Is Sound Meter free?

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

### Do Bluetooth Toolkit or Sound Meter have ads?

Sound Meter shows ads; Bluetooth Toolkit does not.

### Which is updated more often, Bluetooth Toolkit or Sound Meter?

Bluetooth Toolkit ships an update every 10 months, and Sound Meter weekly. Most recently, Bluetooth Toolkit was updated on October 9, 2026 and Sound Meter on October 24, 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.*