# dB Volume

> iPhone sound pressure level (SPL) meter with adjustable weighting and response times. (iPhone/iPad app by DSP Mobile.)

- Source: https://appshunter.io/ios/app/db-volume/id457245262 (this page in markdown: same URL + `.md`)
- Developer: [DSP Mobile](https://appshunter.io/developer/454225356)
- Category: Music, Utilities
- Price: Free
- Rating: 3.80/5 from 13 App Store ratings · 138 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.4 · 19 MB
- Languages: German (Germany), American English, Finnish, Russian
- Released: 2011-08-29
- Data updated: 2026-08-28
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/db-volume/id457245262/reviews.md

## What is dB Volume?

With dB Volume you turn your iPhone into a Sound Pressure Level (SPL) Meter. You can choose between the industry standard weighting curves and response times.

Use dB Volume for measuring environmental noises - it offers now Leq measurement!

dB Volume features:
- response time modes: impulse, slow, fast
- weighting functions: A B C Z (unweighted)
- peak hold function
- Leq measurement

We calibrated dB Volume as carefully as possible for all available devices. But: keep in mind, that due to manufacturing tolerances this calibration does not necessarily apply to your device – it’s still an iPhone and not a calibrated measuring instrument!

## Key features

- Sound Pressure Level (SPL) Meter
- Adjustable weighting curves (A, B, C, Z)
- Adjustable response times (Impulse, Slow, Fast)
- Leq measurement
- Peak hold function

## What do users think of dB Volume?

Overall sentiment: negative

**Pros**

- 👍 Easy to use
- 💰 Free to use
- 📏 Accurate readings (historically)
- 🔊 Useful for volume adjustment
- 💡 Good for quick dB rating
- ✅ Works well (historically)
- ✨ Simple and cool

**Cons**

- 🐛 Stopped working (frequently)
- ❌ Incompatible with newer iOS/devices
- 📉 Readings often inaccurate/low
- ⚠️ Technical for novices
- 💰 Expensive pro version
- 🚫 Freezes/crashes
- ❓ Unclear interface/settings
- 😵 Annoying ads

**Commonly reported bugs**

- Does not open anymore
- No audio signal
- Shows "0db"
- Freezes every time
- Non responsive
- Registers as zero
- Doesn't receive any sound
- Displays -2147
- Starts in negative db
- Locks up after a minute or two
- App loads, gets one reading, then never updates
- Fails to respond to sounds
- No sound level registering
- Does absolutely nothing
- Reads 0db at a rock concert
- Doesn't seem to work with iOS 9
- Reads about 40db at silence
- Inaccurate readings compared to professional meter
- Tries to force in-app upgrade
- Different readings on same device/room
- Half the time does not open

**Most requested features**

- Update for newer iOS versions
- Improve accuracy
- Add calibration feature
- Explain settings/buttons
- Improve user interface
- Add max or average values
- Make pro version less expensive

## Recent user reviews (10 of 138)

All indexed reviews: https://appshunter.io/ios/app/db-volume/id457245262/reviews.md

### 1/5 — No longer works

*2022-06-03, version 3.0*

Used to be good. Supposed to work on IOS 12.4 - won’t run on IOS 12.5. Shame

### 4/5 — Solides Tooling

*2022-04-21*

Benutzte es schon lange und bin sehr zufrieden. Ist übersichtlich und hat alles was ich brauche.

### 1/5 — Nul nul

*2021-07-30*

Ne s’ouvre même pas

### 1/5 — Ne fonctionne plus

*2021-01-23*

Se ferme une fois ouverte, sans message et sans rien...

### 5/5 — Very good app

*2020-11-13*

Necessary functionality with optimal controls. Very happy with this app, thanks!

### 4/5 — Ne fonctionne plus dommage.

*2020-10-18*

Bonjour application exactement comme je le souhaitais mais là je le la lance et plus rien je l’ai desinstallee puis réinstallée idem ça se lance et ça se coupe aussi tôt dommage j’espère qu’il y aura une mise à jour prochainement...

### 5/5 — Easy simple big meter

*2020-10-07*

Easy simple big meter. Goes up and down with change in volume, useful in gauging volume on any number of things. In my quiet living room meter reading sits/starts at about 40, not sure this is accurate starting point but I can gauge louder spikes in various sounds from there. Plus heck its free!

### 1/5 — stopped Working

*2020-09-20, version 3.0*

Last update ruined it !! Does not open anymore

### 5/5 — Top fürs Heimkino

*2020-08-26*

Gerade drauf gestoßen und muss sagen mit den Funktionen und dann noch kostenlos: Hammer

### 5/5 — Gratuit et super efficace

*2020-04-26*

J’ai téléchargé 2-3 autres appli avant celle là, soit c’etait payant soit c’etait nul. Celle là fonctionne parfaitement

## Frequently asked questions about dB Volume

### What does dB Volume do?

dB Volume turns your iPhone into a Sound Pressure Level (SPL) meter. It allows you to measure environmental noises and sound pressure levels using various industry-standard weighting curves and response times.

### What are the key features of dB Volume?

Key features include selectable response time modes (impulse, slow, fast), weighting functions (A, B, C, Z), a peak hold function, and Leq measurement for environmental noise analysis.

### Is dB Volume free to use?

Yes, dB Volume is offered as a free application. There are no in-app purchases or advertisements mentioned.

### Can I use dB Volume for professional sound measurements?

While dB Volume is calibrated as carefully as possible, it is important to remember that it is still an iPhone and not a calibrated measuring instrument due to manufacturing tolerances. It is best suited for general environmental noise measurement rather than professional, certified acoustic analysis.

### What kind of environmental noises can I measure?

You can measure general environmental noises and sound pressure levels. The app offers features like Leq measurement, which is useful for assessing average sound levels over a period, making it suitable for understanding ambient noise conditions.

## Version history (last 5 releases)

### 3.0 — 2020-09-10

- support for iOS 13
- improved graphics
- improved calibration

### 2.4 — 2016-03-30

optimized for iOS 9.3

### 2.3 — 2013-10-02

Optimized for iOS 7

### 2.2.2 — 2013-08-13

- stability improvements

### 2.2 — 2013-05-20

Improved performance

## Apps similar to dB Volume

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Sound Decibel Meter-NIOSH,OSHA](https://appshunter.io/ios/app/sound-decibel-meter-nioshosha/id1571075296) | 4.5 (335) | Free | Music |
| [SPL Meter](https://appshunter.io/ios/app/spl-meter/id309206756) | 4.1 (27) | $0.99 | Music |
| [Decibel meter for personal use](https://appshunter.io/ios/app/decibel-meter-for-personal-use/id6448749318) | 4.5 (28) | Free | Music |
| [Bass Tester & Booster Pro](https://appshunter.io/ios/app/bass-tester-and-booster-pro/id941024213) | 3.9 (225) | Free | Music |
| [AudioTools, dB, Sound & Audio](https://appshunter.io/ios/app/audiotools-db-sound-and-audio/id325307477) | 4.8 (5,060) | $19.99 | Music |
| [Spectrum Analyzer: Spectrogram](https://appshunter.io/ios/app/spectrum-analyzer-spectrogram/id981810895) | 4.2 (195) | Free | Music |

## More apps by DSP Mobile

- [Analyzer](https://appshunter.io/ios/app/analyzer/id454225351)

All apps by DSP Mobile: https://appshunter.io/developer/454225356

## Related topics

[dsp mobile](https://appshunter.io/ios/topics/dsp-mobile)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-28.*