# TRASD ONLINE vs Noise Tracker Pro

The clearest difference is update cadence: Noise Tracker Pro at every 5 months against TRASD ONLINE's every 19 months. TRASD ONLINE's advantage is iOS requirement (11.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TRASD ONLINE ships an update every 19 months, Noise Tracker Pro every 5 months. The most recent releases landed on October 26, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | TRASD ONLINE | Noise Tracker Pro |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 5 months** |
| Monetization | — | Free |
| Size | 12 MB | 10 MB |
| Requires iOS | **11.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Pleksus Bilişim Teknolojileri Danışmanlık Temsilcilik A.Ş.](https://appshunter.io/developer/418550679) | [Satish Lokhande](https://appshunter.io/developer/1617433140) |

## What reviewers say

### TRASD ONLINE

[App page](https://appshunter.io/ios/app/trasd-online/id1235469880)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is TRASD ONLINE free?

TRASD ONLINE is free to download, with no in-app purchases.

### Is Noise Tracker Pro free?

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

### Do TRASD ONLINE or Noise Tracker Pro have ads?

Neither TRASD ONLINE nor Noise Tracker Pro shows ads.

### Which is updated more often, TRASD ONLINE or Noise Tracker Pro?

TRASD ONLINE ships an update every 19 months, and Noise Tracker Pro every 5 months. Most recently, TRASD ONLINE was updated on October 26, 2026 and Noise Tracker Pro on October 20, 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.*