# Enviro Noise Partner vs SmarterNoise Pro

The clearest difference is in-app purchases: Enviro Noise Partner at none against SmarterNoise Pro's 4. SmarterNoise Pro's advantage is update cadence (monthly vs every 4 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. Enviro Noise Partner asks for nothing beyond the download.

Enviro Noise Partner ships an update every 4 months, SmarterNoise Pro monthly. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Enviro Noise Partner | SmarterNoise Pro |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 207 MB | 24 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Hottinger Bruel & Kjaer A/S](https://appshunter.io/developer/622515894) | [Johan Rogard](https://appshunter.io/developer/1384299041) |

## What reviewers say

### Enviro Noise Partner

[App page](https://appshunter.io/ios/app/enviro-noise-partner/id1440270094)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Enviro Noise Partner free?

Enviro Noise Partner is free to download, with no in-app purchases.

### Is SmarterNoise Pro free?

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

### Do Enviro Noise Partner or SmarterNoise Pro have ads?

Neither Enviro Noise Partner nor SmarterNoise Pro shows ads.

### Which is updated more often, Enviro Noise Partner or SmarterNoise Pro?

Enviro Noise Partner ships an update every 4 months, and SmarterNoise Pro monthly. Most recently, Enviro Noise Partner was updated on October 13, 2026 and SmarterNoise Pro on October 24, 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.*