# Decibels vs LeDrum

The clearest difference is ads: Decibels at none against LeDrum's shown. LeDrum's advantage is update cadence (monthly vs every 30 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Decibels sells 3 in-app purchases, starting at $3.99 per month and LeDrum sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Decibels ships an update every 30 months, LeDrum monthly. The most recent releases landed on November 11, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Decibels | LeDrum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (22 ratings)](https://appshunter.io/ios/app/decibels-sound-level-db-meter/id1590741461/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 30 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 20 MB | 21 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Real Vision Ltd](https://appshunter.io/developer/1447773149) | [Levi Zuehl Ferreira](https://appshunter.io/developer/1879561734) |

## What reviewers say

### Decibels

[App page](https://appshunter.io/ios/app/decibels-sound-level-db-meter/id1590741461)

Measure sound levels in decibels using your device's microphone. View real-time graphs and historical data to detect noise pollution and protect your hearing. Calibrate for accurate readings across various environments.

**Highlights:** Measures sound in decibels (dB), Displays sound samples on a graph, Detects loud and low environmental noise, Calibrated for accuracy, Shows min/avg/max decibel values, Saves data and view history, Calibrates decibel for each device

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| dB Meter Full App Access | $3.99 | per month |
| Decibels Pro — Annual | $19.99 | per year |
| Decibels Pro — Lifetime | $34.99 | one-time |


### LeDrum

[App page](https://appshunter.io/ios/app/ledrum/id6759570507)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LeDrum Pro - Weekly | $2.99 | per 7 days |
| LeDrum Pro - Monthly | $5.99 | per month |
| LeDrum Pro - Yearly | $29.99 | per year |


## Frequently asked questions

### Is Decibels free?

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

### Is LeDrum free?

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

### Do Decibels or LeDrum have ads?

LeDrum shows ads; Decibels does not.

### Which is updated more often, Decibels or LeDrum?

Decibels ships an update every 30 months, and LeDrum monthly. Most recently, Decibels was updated on November 11, 2026 and LeDrum 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.*