# SmarterNoise vs IziGate

The clearest difference is in-app purchases: IziGate at none against SmarterNoise's 2. IziGate also leads on ads (none vs shown) and update cadence (every 4 days vs every 6 weeks). SmarterNoise's advantage is iOS requirement (12.0 vs 15.0). On price and device support there is nothing between them.

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

SmarterNoise ships an update every 6 weeks, IziGate every 4 days. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | SmarterNoise | IziGate |
| --- | --- | --- |
| 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 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 48 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Johan Rogard](https://appshunter.io/developer/1384299041) | [MTECH SYSTEMS, TOO](https://appshunter.io/developer/1819455352) |

## 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 |


### IziGate

[App page](https://appshunter.io/ios/app/izigate/id6749433262)

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

**In-app purchases:** none


## Frequently asked questions

### Is SmarterNoise free?

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

### Is IziGate free?

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

### Do SmarterNoise or IziGate have ads?

SmarterNoise shows ads; IziGate does not.

### Which is updated more often, SmarterNoise or IziGate?

SmarterNoise ships an update every 6 weeks, and IziGate every 4 days. Most recently, SmarterNoise was updated on October 6, 2026 and IziGate on October 1, 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.*