# Decibel Reader vs HARDWELL

The clearest difference is rating: HARDWELL at 5.0 against Decibel Reader's 4.5. HARDWELL also leads on in-app purchases (none vs 6) and ads (none vs shown). Decibel Reader's advantage is ratings volume (24 vs 1). On price and device support there is nothing between them.

Both are free to download. Decibel Reader sells 6 in-app purchases, starting at $3.99 per 7 days. HARDWELL asks for nothing beyond the download.

HARDWELL holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Decibel Reader has 24 ratings behind it against 1, so its average is the more settled of the two.

Decibel Reader ships an update every 2 weeks, HARDWELL every 3 days. Both last shipped on October 5, 2026.

## The numbers

| Metric | Decibel Reader | HARDWELL |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (24 ratings)](https://appshunter.io/ios/app/decibel-reader/id6451411046/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hardwell/id6740261484/reviews)** |
| Number of ratings | **24** | 1 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 12 MB | 101 MB |
| Requires iOS | 16.0 | **9.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andy Sutanto](https://appshunter.io/developer/1659282966) | [得凯 吴](https://appshunter.io/developer/1787082243) |

## What reviewers say

### Decibel Reader

[App page](https://appshunter.io/ios/app/decibel-reader/id6451411046)

Measure ambient noise levels with real-time readings, tracking minimum, average, and maximum decibels. Offers calibration for accuracy and a dark mode for comfortable viewing. This tool helps you understand your sound environment.

**Highlights:** Real-time decibel measurement, Calibration for accuracy, Track min, average, and max noise levels, Dark mode for low-light use, Simple and intuitive interface

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Decibel Meter Pro - 1 Week | $3.99 | per 7 days |
| Decibel Meter Pro - 1 Month | $7.99 | per month |
| Sound Level Meter - 6 Months | $19.99 | per 6 months |
| Noise Level Meter - 1 Year | $29.99 | per year |
| Decibel Meter Pro - 1Y 2 | $29.99 | per year |
| dB Meter Pro | $49.99 | one-time |


### HARDWELL

[App page](https://appshunter.io/ios/app/hardwell/id6740261484)

Control your Bluetooth speaker remotely with this app. Adjust music, microphone, and guitar volumes, and fine-tune sound settings like bass and treble. Enjoy convenient speaker management from a distance.

**Highlights:** Connect to Bluetooth speaker, Adjust music volume, Control microphone volume, Manage guitar volume, Balancing functions, Adjust bass and treble

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Decibel Reader free?

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

### Is HARDWELL free?

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

### Which has better reviews, Decibel Reader or HARDWELL?

HARDWELL is rated higher. Decibel Reader averages 4.5 out of 5 from 24 ratings, while HARDWELL averages 5.0 from 1 ratings.

### Do Decibel Reader or HARDWELL have ads?

Decibel Reader shows ads; HARDWELL does not.

### Which is updated more often, Decibel Reader or HARDWELL?

Decibel Reader ships an update every 2 weeks, and HARDWELL every 3 days. Most recently, Decibel Reader was updated on October 5, 2026 and HARDWELL on October 5, 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.*