# PlasmaMED vs dB Decibel Meter

The clearest difference is in-app purchases: PlasmaMED at none against dB Decibel Meter's 5. PlasmaMED also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). On price, update cadence and device support there is nothing between them.

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

PlasmaMED ships an update every 6 days, dB Decibel Meter every 8 days. The most recent releases landed on September 28, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | PlasmaMED | dB Decibel Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (111 ratings)](https://appshunter.io/ios/app/db-decibel-meter-noise-level/id6778630195/reviews)** |
| Number of ratings | — | **111** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Every 8 days |
| Monetization | — | Free with in-app purchases |
| Size | 51 MB | 72 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Long Dang Hai](https://appshunter.io/developer/1529448436) | [Shenzhen Yiken Technology Co., Ltd](https://appshunter.io/developer/1763774410) |

## What reviewers say

### PlasmaMED

[App page](https://appshunter.io/ios/app/plasmamed/id6466745337)

**Features:** macOS Compatibility

**In-app purchases:** none


### dB Decibel Meter

[App page](https://appshunter.io/ios/app/db-decibel-meter-noise-level/id6778630195)

Measure real-time sound levels with this tool, offering A-weighting and frequency analysis. Record audio, take photos, and capture videos with embedded decibel data for evidence and safety checks. Includes a reference guide for understanding noise ranges.

**Highlights:** Real-time SPL measurement, A-weighting and frequency weighting, Audio recording with decibel data, Photo and video capture with noise marks, Noise level scale and reference guide, Export records in MP3, PDF, CSV

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $6.99 | per 7 days |
| Weekly Subscription | $9.99 | per 7 days |
| Monthly Subscription | $19.99 | per month |
| Yearly Subscription | $59.99 | per year |
| Lifetime Member | $99.99 | one-time |


## Frequently asked questions

### Is PlasmaMED free?

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

### Is dB Decibel Meter free?

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

### Do PlasmaMED or dB Decibel Meter have ads?

dB Decibel Meter shows ads; PlasmaMED does not.

### Which is updated more often, PlasmaMED or dB Decibel Meter?

PlasmaMED ships an update every 6 days, and dB Decibel Meter every 8 days. Most recently, PlasmaMED was updated on September 28, 2026 and dB Decibel Meter on October 28, 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.*