# CS134 vs Noise Meter

The clearest difference is in-app purchases: CS134 at none against Noise Meter's 9. CS134 also leads on iOS requirement (12.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Noise Meter sells 9 in-app purchases, starting at $5.99 per 7 days. CS134 asks for nothing beyond the download.

## The numbers

| Metric | CS134 | Noise Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (15 ratings)](https://appshunter.io/ios/app/noise-meter-keep-quiet/id6744021866/reviews)** |
| Number of ratings | — | **15** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 6 weeks |
| Monetization | — | Freemium |
| Size | 40 MB | 72 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Victor Alarcon](https://appshunter.io/developer/1540972481) | [Natalia Jakubczyk-Gajewska](https://appshunter.io/developer/1307515292) |

## What reviewers say

### CS134

[App page](https://appshunter.io/ios/app/cs134/id6476117369)

**Features:** macOS Compatibility

**In-app purchases:** none


### Noise Meter

[App page](https://appshunter.io/ios/app/noise-meter-keep-quiet/id6744021866)

This app helps children understand and manage noise levels through a visual meter and interactive characters. It encourages self-regulation and calm by providing real-time feedback on sound intensity. Ideal for home or educational settings.

**Highlights:** Visual noise meter, Kid-friendly characters reacting to sound, Real-time sound level feedback, Encourages calm and self-regulation, Color-coded noise level bar, Ideal for home and classrooms

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week Premium Subscription | $5.99 | per 7 days |
| 1 Week Premium Subscription | $5.99 | per 7 days |
| Noise Meter Premium | $9.99 | per month |
| Noise Meter Premium | $9.99 | per month |
| Noise Meter Premium | $19.99 | per 3 months |
| Noise Meter Premium | $29.99 | per 6 months |
| Noise Meter Premium | $39.99 | per year |
| Noise Meter Premium | $49.99 | per year |
| Noise Meter Premium | $99.99 | one-time |


## Frequently asked questions

### Is CS134 free?

CS134 is free to download, with no in-app purchases.

### Is Noise Meter free?

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

### Do CS134 or Noise Meter have ads?

Neither CS134 nor Noise Meter shows ads.

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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.*