dB Volume vs Sound Control DSP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
dB Volume
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.
- Sound Pressure Level (SPL) Meter
- Adjustable weighting curves (A, B, C, Z)
- Adjustable response times (Impulse, Slow, Fast)
- Leq measurement
- Peak hold function
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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!
Sound Control DSP
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Sound Control APP controls the DSP parameters of the speaker via Bluetooth. feature: 1. Adjust the frequency, gain, q factor, filter type and other parameters of eq; 2. Adjust the input gain, Mute; 3. Save the current preset to the device or locally, and load the preset. 4. Restore factory settings with one click.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | dB Volume | Sound Control DSP |
|---|---|---|
| Price | Free | Free |
| Rating | 3.8 (13 ratings) — better | — |
| Positive reviews | 44.6% of reviews | — |
| Number of ratings | 13 — better | — |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.4 | 11.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | DSP Mobile | SEIKAKU |
Bugs and requests
dB Volume
Reported bugs
21 issues- Does not open anymore
- No audio signal
- Shows "0db"
- Freezes every time
- Non responsive
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- 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
Requested features
7 requests- Update for newer iOS versions
- Improve accuracy
- Add calibration feature
- Explain settings/buttons
- Improve user interface
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- Add max or average values
- Make pro version less expensive
Sound Control DSP
Not enough reviews yet to summarise bugs or requests.
In-app purchases
dB Volume
No in-app purchases
Sound Control DSP
No in-app purchases
Questions
Is dB Volume free?
Is Sound Control DSP free?
Do dB Volume or Sound Control DSP have ads?
Which is updated more often, dB Volume or Sound Control DSP?
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