# Sound Meter & Level Tools vs NVH Source Locator

The clearest difference is in-app purchases: Sound Meter & Level Tools at none against NVH Source Locator's 1. NVH Source Locator's advantage is ads (none vs shown) and update cadence (every 4 days vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. NVH Source Locator sells 1 one-off in-app purchase. Sound Meter & Level Tools asks for nothing beyond the download.

Sound Meter & Level Tools ships an update every 2 months, NVH Source Locator every 4 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Sound Meter & Level Tools | NVH Source Locator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 27 MB | 12 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Anthony Tan](https://appshunter.io/developer/1714762952) | [Roman Franta](https://appshunter.io/developer/1895145157) |

## What reviewers say

### Sound Meter & Level Tools

[App page](https://appshunter.io/ios/app/sound-meter-and-level-tools/id6755042830)

**In-app purchases:** none


### NVH Source Locator

[App page](https://appshunter.io/ios/app/nvh-source-locator/id6763063429)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NVH Source Locator Pro | $19.99 | one-time |


## Frequently asked questions

### Is Sound Meter & Level Tools free?

Sound Meter & Level Tools is free to download, with no in-app purchases.

### Is NVH Source Locator free?

NVH Source Locator is free to download, with in-app purchases available.

### Do Sound Meter & Level Tools or NVH Source Locator have ads?

Sound Meter & Level Tools shows ads; NVH Source Locator does not.

### Which is updated more often, Sound Meter & Level Tools or NVH Source Locator?

Sound Meter & Level Tools ships an update every 2 months, and NVH Source Locator every 4 days. Most recently, Sound Meter & Level Tools was updated on October 30, 2026 and NVH Source Locator on November 5, 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.*