# SmarterNoise Pro vs HR Tracking

The clearest difference is in-app purchases: HR Tracking at none against SmarterNoise Pro's 4. SmarterNoise Pro's advantage is update cadence (monthly vs every 3 months) and iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. SmarterNoise Pro sells 4 one-off in-app purchases. HR Tracking asks for nothing beyond the download.

SmarterNoise Pro ships an update monthly, HR Tracking every 3 months. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | SmarterNoise Pro | HR Tracking |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (33 ratings)](https://appshunter.io/ios/app/smarternoise-pro/id1466745030/reviews)** | — |
| Number of ratings | **33** | — |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 57 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Johan Rogard](https://appshunter.io/developer/1384299041) | [Digital Matter Pty Ltd](https://appshunter.io/developer/1132506291) |

## What reviewers say

### SmarterNoise Pro

[App page](https://appshunter.io/ios/app/smarternoise-pro/id1466745030)

This advanced sound level meter app offers detailed audio analysis with features like frequency spectrum display and data export. It allows for precise sound measurements in both video and audio recording modes, with options for A-, C-, or no weighting.

**Highlights:** Sound level measurement in video/audio modes, Frequency spectrum display, Export measurement data (CSV), Sound level activated audio recording, Calibration tool, Full HD video recording (paid)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Camera upgrade | $0.99 | one-time |
| Frequency spectrum indicator | $1.99 | one-time |
| Video and audio recording | $1.99 | one-time |
| Spectrogram display | $1.99 | one-time |


### HR Tracking

[App page](https://appshunter.io/ios/app/hr-tracking/id6447561875)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SmarterNoise Pro free?

SmarterNoise Pro is free to download, with in-app purchases available.

### Is HR Tracking free?

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

### Do SmarterNoise Pro or HR Tracking have ads?

Neither SmarterNoise Pro nor HR Tracking shows ads.

### Which is updated more often, SmarterNoise Pro or HR Tracking?

SmarterNoise Pro ships an update monthly, and HR Tracking every 3 months. Most recently, SmarterNoise Pro was updated on October 24, 2026 and HR Tracking 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.*