# dB Volume vs Sound Control DSP

dB Volume and Sound Control DSP are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 15, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | dB Volume | Sound Control DSP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (13 ratings)](https://appshunter.io/ios/app/db-volume/id457245262/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 44.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 19 MB | 5 MB |
| Requires iOS | 12.4 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [DSP Mobile](https://appshunter.io/developer/454225356) | [SEIKAKU](https://appshunter.io/developer/860317297) |

## What reviewers say

### 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


### Sound Control DSP

[App page](https://appshunter.io/ios/app/sound-control-dsp/id6459363803)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is dB Volume free?

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

### Is Sound Control DSP free?

Sound Control DSP is free to download, with no in-app purchases.

### Do dB Volume or Sound Control DSP have ads?

Neither dB Volume nor Sound Control DSP shows ads.

### Which is updated more often, dB Volume or Sound Control DSP?

dB Volume ships an update every 2 months, and Sound Control DSP every 2 months. Most recently, dB Volume was updated on October 15, 2026 and Sound Control DSP on October 4, 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.*