# 9Tracking vs Noise Meter

The clearest difference is in-app purchases: 9Tracking at none against Noise Meter's 1. Noise Meter's advantage is update cadence (every 2 weeks vs every 21 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Noise Meter sells 1 one-off in-app purchase. 9Tracking asks for nothing beyond the download.

9Tracking ships an update every 21 months, Noise Meter every 2 weeks. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 9Tracking | Noise Meter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 21 months | **Every 2 weeks** |
| Size | 44 MB | 46 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Trinh Ngoc Luong](https://appshunter.io/developer/1759282007) | [Lior Zukman](https://appshunter.io/developer/1845410217) |

## What reviewers say

### 9Tracking

[App page](https://appshunter.io/ios/app/9tracking-package-tracker/id6575350867)

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

**In-app purchases:** none


### Noise Meter

[App page](https://appshunter.io/ios/app/noise-meter-shusher/id6763019075)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium — Noise Meter Shusher | $1.99 | one-time |


## Frequently asked questions

### Is 9Tracking free?

9Tracking is free to download, with no in-app purchases.

### Is Noise Meter free?

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

### Do 9Tracking or Noise Meter have ads?

Both 9Tracking and Noise Meter show ads.

### Which is updated more often, 9Tracking or Noise Meter?

9Tracking ships an update every 21 months, and Noise Meter every 2 weeks. Most recently, 9Tracking was updated on September 21, 2026 and Noise Meter on September 10, 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.*