# AudioTools, dB, Sound & Audio vs dB Volume

The clearest difference is price: dB Volume at Free against AudioTools, dB, Sound & Audio's $19.99. dB Volume also leads on in-app purchases (none vs 10) and iOS requirement (12.4 vs 15.0). AudioTools, dB, Sound & Audio's advantage is rating (4.8 vs 3.8) and review sentiment (75% vs 45%). On ads and device support there is nothing between them.

dB Volume is free to download; AudioTools, dB, Sound & Audio costs $19.99 up front. AudioTools, dB, Sound & Audio sells 10 in-app purchases, starting at $9.99 per month. dB Volume asks for nothing beyond the download.

AudioTools, dB, Sound & Audio holds the better App Store score, 4.8 against 3.8. That said, the two scores are not equally well evidenced: AudioTools, dB, Sound & Audio has 5.1K ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 75% of AudioTools, dB, Sound & Audio's written reviews are positive against 45% of dB Volume's.

AudioTools, dB, Sound & Audio ships an update fortnightly, dB Volume every 2 months. The most recent releases landed on November 6, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | AudioTools, dB, Sound & Audio | dB Volume |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | **[4.8 (5.1K ratings)](https://appshunter.io/ios/app/audiotools-db-sound-and-audio/id325307477/reviews)** | [3.8 (13 ratings)](https://appshunter.io/ios/app/db-volume/id457245262/reviews) |
| Number of ratings | **5.1K** | 13 |
| Positive reviews | **75.2% of reviews** | 45.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#38** | — |
| Size | 96 MB | 19 MB |
| Requires iOS | 15.0 | **12.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Smith](https://appshunter.io/developer/291822462) | [DSP Mobile](https://appshunter.io/developer/454225356) |

## What reviewers say

### AudioTools, dB, Sound & Audio

[App page](https://appshunter.io/ios/app/audiotools-db-sound-and-audio/id325307477)

**Currently charting:** #38 Top Paid · Music (US App Store)

This professional audio analysis app offers a comprehensive suite of tools for acoustic measurements, including SPL, RTA, and FFT. It calibrates device microphones for accurate results and allows for the addition of powerful optional modules for advanced analysis.

**Highlights:** SPL Meter with A/C weighting, Real Time Analyzer (RTA), Fast Fourier Transform (FFT) analysis, Speaker Polarity Test, Audio Oscilloscope, Signal Generator, Audio Recorder

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All-In Module Access | $9.99 | per month |
| VU Meter | $2.99 | one-time |
| Polarity Test Module | $3.99 | one-time |
| ETC Module | $5.99 | one-time |
| Speaker Distortion | $5.99 | one-time |
| SPL Pro Module | $7.99 | one-time |
| SPL Graph Module | $9.99 | one-time |
| SPL Traffic Light | $9.99 | one-time |
| SoundScope VR | $24.99 | one-time |
| IR Module | $49.99 | one-time |

**What reviewers like**

- 👍 Useful audio tools
- 🚀 Regularly updated
- 💡 Industry-standard features
- 👍 Accurate measurements
- 👍 Great support

**What reviewers complain about**

- 🔒 Many features locked behind paywall
- 🐛 Buggy iOS port
- 🔒 Expensive in-app purchases
- 🐛 Inconsistent functionality
- 🐛 Microphone issues

**Reported bugs**

- Crashes on launch
- Inaccurate SPL and frequency measurements
- Compatibility issues with iOS updates

**Requested features**

- Add manual
- Improve file export and sharing
- Improve user interface
- Add support for external microphones


### dB Volume

[App page](https://appshunter.io/ios/app/db-volume/id457245262)

Transform your iPhone into a Sound Pressure Level (SPL) meter. Measure environmental noises with adjustable weighting curves and response times, including Leq measurement. Ideal for understanding ambient sound levels.

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

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 💰 Free to use
- 📏 Accurate readings (historically)
- 🔊 Useful for volume adjustment
- 💡 Good for quick dB rating

**What reviewers complain about**

- 🐛 Stopped working (frequently)
- ❌ Incompatible with newer iOS/devices
- 📉 Readings often inaccurate/low
- ⚠️ Technical for novices
- 💰 Expensive pro version

**Reported bugs**

- Does not open anymore
- No audio signal
- Shows "0db"
- Freezes every time
- Non responsive

**Requested features**

- Update for newer iOS versions
- Improve accuracy
- Add calibration feature
- Explain settings/buttons
- Improve user interface


## Frequently asked questions

### Is AudioTools, dB, Sound & Audio free?

AudioTools, dB, Sound & Audio costs $19.99, and also offers in-app purchases.

### Is dB Volume free?

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

### Which has better reviews, AudioTools, dB, Sound & Audio or dB Volume?

AudioTools, dB, Sound & Audio is rated higher. AudioTools, dB, Sound & Audio averages 4.8 out of 5 from 5.1K ratings, while dB Volume averages 3.8 from 13 ratings.

### Do AudioTools, dB, Sound & Audio or dB Volume have ads?

Neither AudioTools, dB, Sound & Audio nor dB Volume shows ads.

### Which is updated more often, AudioTools, dB, Sound & Audio or dB Volume?

AudioTools, dB, Sound & Audio ships an update fortnightly, and dB Volume every 2 months. Most recently, AudioTools, dB, Sound & Audio was updated on November 6, 2026 and dB Volume on November 1, 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.*