# SmarterNoise vs 4R 360

The clearest difference is in-app purchases: 4R 360 at none against SmarterNoise's 2. 4R 360 also leads on ads (none vs shown). SmarterNoise's advantage is iOS requirement (12.0 vs 14). On price, update cadence and device support there is nothing between them.

Both are free to download. SmarterNoise sells 2 one-off in-app purchases. 4R 360 asks for nothing beyond the download.

SmarterNoise ships an update every 6 weeks, 4R 360 every 5 weeks. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | SmarterNoise | 4R 360 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (115 ratings)](https://appshunter.io/ios/app/smarternoise/id1384299042/reviews)** | — |
| Number of ratings | **115** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 211 MB |
| Requires iOS | **12.0** | 14 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Johan Rogard](https://appshunter.io/developer/1384299041) | [STREET 100% SERVICOS - DOMICILIARES E EMPRESARIAIS LTDA.](https://appshunter.io/developer/1553798707) |

## What reviewers say

### SmarterNoise

[App page](https://appshunter.io/ios/app/smarternoise/id1384299042)

This app measures sound levels, records audio and video, and provides information on noise exposure risks. It features smart icons to help users understand the impact of noise on health and cognitive performance. Save, share, and archive your recordings with this comprehensive tool.

**Highlights:** Sound level measurement, Video and audio recording, Noise exposure risk information, Smart icons for health impact, Archive and sharing of recordings, Calibration, Location and time display

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Long-term measurement | $1.99 | one-time |
| Remove ads | $2.99 | one-time |


### 4R 360

[App page](https://appshunter.io/ios/app/4r-360/id6737415376)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SmarterNoise free?

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

### Is 4R 360 free?

4R 360 is free to download, with no in-app purchases.

### Do SmarterNoise or 4R 360 have ads?

SmarterNoise shows ads; 4R 360 does not.

### Which is updated more often, SmarterNoise or 4R 360?

SmarterNoise ships an update every 6 weeks, and 4R 360 every 5 weeks. Most recently, SmarterNoise was updated on October 6, 2026 and 4R 360 on October 2, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*