NoiseScope vs Decibel Meter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NoiseScope
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NoiseScope is a precise and reliable tool for measuring and documenting sound levels in your environment. Whether you are at a concert, at work, at home, or outdoors, NoiseScope gives you an accurate understanding of the noise around you — in real time. Measure sound levels instantly in decibels (dB) with a clear, color-coded display that helps you understand how safe or harmful the sound may be. The app also provides a rolling average to smooth out rapid fluctuations and give you a more stable picture of the overall sound environment. Measure and store noise over time Start a measurement period and track minimum, maximum, and average levels. With location access enabled, NoiseScope also records your position and marks it on a map, making it easy to document where a measurement took place. Perfect for reporting noise issues The Pro version allows you to save measurement periods and export detailed PDF reports containing all key values — time, location, and noise levels — ideal for submitting noise complaints or documenting sound conditions professionally. The Pro Version Features • Unlimited measurement duration • Save measurement periods • Export PDF reports with key data and map • Improved documentation for noise complaints Designed for clarity and ease of use NoiseScope offers a clean, intuitive interface that makes noise measurement accessible to everyone. Real-time readings can be disabled at any time to reduce battery use. Whether you need a simple sound level meter or a tool for formal documentation, NoiseScope gives you accurate, reliable, and easy-to-share results.
Decibel Meter
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NoiseScope is a personal environmental noise analyzer for real-time sound measurement, sleep environment review, and long-term noise records. Open the app and measurement starts automatically. You can check current dB levels, peaks, LAeq trends, weighting modes, response modes, low-frequency indicators, and noise profile insights in a focused full- screen interface. Key features: - Real-time decibel measurement - LAeq, peak, A/C/Z weighting, and Fast/Slow/Impulse response - Sleep noise analysis with baseline, peak, disturbances, and quiet periods - Hearing exposure estimates based on NIOSH and OSHA references - Noise profile insights for low-frequency rumble, traffic, mechanical noise, and sudden events - Local history with session summaries and event timelines - PDF reports for single sessions, 24-hour trends, and sleep review - Microphone profiles, calibration tools, and device model adjustment - Local-first data storage with no raw recording upload by default Free features include real-time measurement, basic trends, single-session reports, and recent history. Pro is a one-time purchase that unlocks advanced reports, sleep analysis, full history, calibration tools, alerts, and data archive features. NoiseScope is designed for personal reference, room comparison, sleep environment review, apartment noise checks, office noise tracking, and daily sound awareness. It is not a replacement for a certified legal sound level meter.
Screenshots
Verdict
NoiseScope and Decibel Meter 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. NoiseScope sells 1 one-off in-app purchase and Decibel Meter sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
NoiseScope ships an update every 2 months, Decibel Meter every 5 weeks. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.
| Parameter | NoiseScope | Decibel Meter |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 7 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Tore Bergethon Østensen | 博 彭 |
In-app purchases
NoiseScope
- Pro version$2.99
Decibel Meter
- Pro永久版$1.99









