# eCMS Kiosk vs Noise Meter

The clearest difference is in-app purchases: eCMS Kiosk at none against Noise Meter's 9. eCMS Kiosk also leads on iOS requirement (12.0 vs 17.6). On price, update cadence, 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. eCMS Kiosk asks for nothing beyond the download.

eCMS Kiosk ships an update every 2 months, Noise Meter every 6 weeks. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | eCMS Kiosk | 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 2 months | **Every 6 weeks** |
| Monetization | — | Freemium |
| Size | 41 MB | 72 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [JR Boon Solutions PTY LTD](https://appshunter.io/developer/1527527580) | [Natalia Jakubczyk-Gajewska](https://appshunter.io/developer/1307515292) |

## What reviewers say

### eCMS Kiosk

[App page](https://appshunter.io/ios/app/ecms-kiosk/id6450297321)

**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 eCMS Kiosk free?

eCMS Kiosk 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 eCMS Kiosk or Noise Meter have ads?

Neither eCMS Kiosk nor Noise Meter shows ads.

### Which is updated more often, eCMS Kiosk or Noise Meter?

eCMS Kiosk ships an update every 2 months, and Noise Meter every 6 weeks. Most recently, eCMS Kiosk was updated on October 27, 2026 and Noise Meter on October 30, 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.*