# Noise Tracker Pro vs PRIME 2.O

The clearest difference is in-app purchases: Noise Tracker Pro at none against PRIME 2.O's 1. Noise Tracker Pro also leads on update cadence (every 5 months vs every 11 months). PRIME 2.O's advantage is iOS requirement (16.4 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. PRIME 2.O sells 1 one-off in-app purchase. Noise Tracker Pro asks for nothing beyond the download.

Noise Tracker Pro ships an update every 5 months, PRIME 2.O every 11 months. The most recent releases landed on October 3, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Noise Tracker Pro | PRIME 2.O |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/noise-tracker-pro/id1617433138/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 11 months |
| Monetization | Free | — |
| Size | 10 MB | 84 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Satish Lokhande](https://appshunter.io/developer/1617433140) | [TagMango Inc](https://appshunter.io/developer/1611765353) |

## What reviewers say

### Noise Tracker Pro

[App page](https://appshunter.io/ios/app/noise-tracker-pro/id1617433138)

This app measures environmental noise levels in decibels using your phone's microphone. It provides real-time monitoring, detailed data analysis, and the ability to compare readings with international standards. Ideal for students, professionals, and the public to understand ambient noise.

**Highlights:** Real-time noise monitoring (dB meter), Frequency weighting filters (A-weighting), Measure LAeq, L10, L50, L90, Geotagged noise level maps, Custom calibration for accuracy, Data sharing across platforms, Comparison with international standards

**Features:** macOS Compatibility

**In-app purchases:** none


### PRIME 2.O

[App page](https://appshunter.io/ios/app/prime-2o/id6740146608)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Postal Mastery Course | $9.99 | one-time |


## Frequently asked questions

### Is Noise Tracker Pro free?

Noise Tracker Pro is free to download, with no in-app purchases.

### Is PRIME 2.O free?

PRIME 2.O is free to download, with in-app purchases available.

### Do Noise Tracker Pro or PRIME 2.O have ads?

Neither Noise Tracker Pro nor PRIME 2.O shows ads.

### Which is updated more often, Noise Tracker Pro or PRIME 2.O?

Noise Tracker Pro ships an update every 5 months, and PRIME 2.O every 11 months. Most recently, Noise Tracker Pro was updated on October 3, 2026 and PRIME 2.O on October 18, 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.*