Sound Meter HQ vs D
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sound Meter HQ
This application measures noise and sound levels using your device's microphone. It displays results in decibels on a logarithmic graph and allows for calibration to ensure accuracy. You can record minimum, average, and maximum sound levels.
- Measure sound level
- Vibration meter
- Noise detector
- Record Min, AVG, Max levels
- Logarithmic dB graph
- Manual and auto calibration
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Sound Meter - smart tool-app to measure noise and sound level or measurement of sound pressure level (SPL) in decibels (dB). To get precise measurements, we recommend, before start using, make app calibration: settings -> calibration (automatic or manual). This application use the built-in microphone in your smartphone or tablet and results of measurements are shown in the chart. Sound meter includes the following features: - measure of sound level, vibration meter, noise detector - record of: minimum (Min), average (AVG), maximum (Max) sound level - logarithmic graph of sound level in decibels (dB) - calibration tool - two modes: manual and auto calibration - ability to stop and record the results of measurements at any time Enjoy with Sound Meter !
D
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La App D-Lock permite gestionar los accesos a las viviendas o personas en alquiler, con ésta app en su terminal móvil podrá gestionar todas las cerraduras electrónicas de Dislock Sistemas con un uso sencillo y práctico.
Screenshots
Verdict
The clearest difference is in-app purchases: D at none against Sound Meter HQ's 1. On price, update cadence, ads and device support there is nothing between them.
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. Sound Meter HQ sells 1 one-off in-app purchase. D asks for nothing beyond the download.
Sound Meter HQ ships an update every 4 months, D every 3 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | Sound Meter HQ | D |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (349 ratings) — better | — |
| Positive reviews | 37.5% of reviews | — |
| Number of ratings | 349 — better | — |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 13 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | ExaMobile S.A. | Dislock Sistemas S.L. |
In-app purchases
Sound Meter HQ
- Remove ads$1.99
D
No in-app purchases
