# Lamp Off vs dB Noise Meter

The clearest difference is in-app purchases: Lamp Off at none against dB Noise Meter's 5. Lamp Off also leads on ads (none vs shown) and iOS requirement (12.0 vs 16.6). dB Noise Meter's advantage is update cadence (every 2 months vs every 47 months). On price and device support there is nothing between them.

Both are free to download. dB Noise Meter sells 5 in-app purchases, starting at $6.99 per 7 days. Lamp Off asks for nothing beyond the download.

Lamp Off ships an update every 47 months, dB Noise Meter every 2 months. The most recent releases landed on October 3, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Lamp Off | dB Noise Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.8 (122 ratings)](https://appshunter.io/ios/app/db-noise-meter/id1590850487/reviews)** |
| Number of ratings | — | **122** |
| Positive reviews | — | 15.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 47 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 22 MB | 49 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [Betastudio s.r.l.](https://appshunter.io/developer/1516093503) | [Petr Polasek](https://appshunter.io/developer/1613323784) |

## What reviewers say

### Lamp Off

[App page](https://appshunter.io/ios/app/lamp-off/id1581469312)

**Features:** macOS Compatibility

**In-app purchases:** none


### dB Noise Meter

[App page](https://appshunter.io/ios/app/db-noise-meter/id1590850487)

Measure ambient noise levels in decibels (dB) using your phone's microphone. Track real-time noise, identify loud appliances, and monitor your exposure to potentially harmful sound levels.

**Highlights:** Real-time decibel measurement, Noise level tracking, Appliance noise testing, Save noise measurements, Display min/max/avg dB

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 1 week | $6.99 | per 7 days |
| Premium 1 Month | $9.99 | per month |
| Premium 3 Months | $17.99 | per 3 months |
| Premium 6 Months | $19.99 | per 6 months |
| Premium 1 Year | $29.99 | per year |


## Frequently asked questions

### Is Lamp Off free?

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

### Is dB Noise Meter free?

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

### Do Lamp Off or dB Noise Meter have ads?

dB Noise Meter shows ads; Lamp Off does not.

### Which is updated more often, Lamp Off or dB Noise Meter?

Lamp Off ships an update every 47 months, and dB Noise Meter every 2 months. Most recently, Lamp Off was updated on October 3, 2026 and dB Noise Meter on October 27, 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.*