# dB Meter vs Auto Scroll Plus

The clearest difference is price: dB Meter at Free against Auto Scroll Plus's $0.99. Auto Scroll Plus's advantage is in-app purchases (none vs 1) and device support (3 vs 1). On ads and iOS requirement there is nothing between them.

dB Meter is free to download; Auto Scroll Plus costs $0.99 up front. dB Meter sells 1 one-off in-app purchase. Auto Scroll Plus asks for nothing beyond the download.

## The numbers

| Metric | dB Meter | Auto Scroll Plus |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/db-meter-decibel-spl-spectrum/id6767850405/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 2 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Michael Borison](https://appshunter.io/developer/1691245822) | [Luan Cu Xuan](https://appshunter.io/developer/1892678405) |

## What reviewers say

### dB Meter

[App page](https://appshunter.io/ios/app/db-meter-decibel-spl-spectrum/id6767850405)

Instantly measure sound levels with a real-time analog gauge. Analyze noise with average, peak, and time-averaged readings. Features include low-frequency indication and on-device calibration for accuracy. Works offline without internet.

**Highlights:** Real-time dB sound level measurement, Live min/average/peak readout, LAeq and LCeq time-averaged readings, Low-frequency indicator, Analog display, On-device calibration, Offline functionality

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| dBMeter Pro | $4.99 | one-time |


### Auto Scroll Plus

[App page](https://appshunter.io/ios/app/auto-scroll-plus/id6780010282)

**Features:** Safari Extension, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is dB Meter free?

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

### Is Auto Scroll Plus free?

Auto Scroll Plus costs $0.99, with no in-app purchases.

### Do dB Meter or Auto Scroll Plus have ads?

Neither dB Meter nor Auto Scroll Plus shows ads.

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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.*