# Decibel Meter(Sound Meter) Pro vs Driven Back

The clearest difference is price: Driven Back at Free against Decibel Meter(Sound Meter) Pro's $2.99. Decibel Meter(Sound Meter) Pro's advantage is update cadence (every 3 weeks vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Driven Back is free to download; Decibel Meter(Sound Meter) Pro costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Decibel Meter(Sound Meter) Pro ships an update every 3 weeks, Driven Back every 3 months. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Decibel Meter(Sound Meter) Pro | Driven Back |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[3.9 (11 ratings)](https://appshunter.io/ios/app/decibel-metersound-meter-pro/id1370148019/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Paid | — |
| Size | 15 MB | 61 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ZipoApps](https://appshunter.io/developer/1671444635) | [DB Research L.L.P.](https://appshunter.io/developer/1582096044) |

## What reviewers say

### Decibel Meter(Sound Meter) Pro

[App page](https://appshunter.io/ios/app/decibel-metersound-meter-pro/id1370148019)

Measure sound volume in decibels (dB) in real-time. The app displays the current sound level with explanations and offers calibration options for microphone accuracy. An Apple Watch version allows standalone sound measurement.

**Highlights:** Real-time decibel measurement, Sound level explanation, Digital dB display, Microphone calibration, Apple Watch standalone measurement

**Features:** Vision Pro support

**In-app purchases:** none


### Driven Back

[App page](https://appshunter.io/ios/app/driven-back-up-camera/id6770594644)

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

**In-app purchases:** none


## Frequently asked questions

### Is Decibel Meter(Sound Meter) Pro free?

Decibel Meter(Sound Meter) Pro costs $2.99, with no in-app purchases.

### Is Driven Back free?

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

### Do Decibel Meter(Sound Meter) Pro or Driven Back have ads?

Neither Decibel Meter(Sound Meter) Pro nor Driven Back shows ads.

### Which is updated more often, Decibel Meter(Sound Meter) Pro or Driven Back?

Decibel Meter(Sound Meter) Pro ships an update every 3 weeks, and Driven Back every 3 months. Most recently, Decibel Meter(Sound Meter) Pro was updated on October 24, 2026 and Driven Back on October 14, 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.*