Best 8 Decibel Meter Apps in 2026: See How They Compare

Introduction

A decibel meter app can help you check noise levels, review readings, or explore sound. This roundup compares eight iOS and Android apps, from simple live meters to tools with graphs, analysis, and data export. Phone readings are estimates, not a substitute for calibrated professional equipment.

Quick comparison

Features vary by app. Some offer live readings and summaries, while others add graphs, calibration, analysis tools, history, or export. Use the table to narrow your options by phone and intended use, but don’t take a long feature list as proof of accuracy. Check the relevant store listing for current pricing and availability.

1. Decibel Meter - Sound Meter

Best for: iPhone users who want a simple reading with a compact summary.

For a quick check of surrounding noise, Decibel Meter - Sound Meter uses the iPhone’s built-in microphone to show real-time decibel readings. Its summary includes minimum, average, and maximum levels, so you can review more than the current number without extra analysis tools.

Standout feature: A quick view of minimum, average, and maximum measurements.

2. Decibel Metre (Sound Meter)

Best for: iPhone users who want to follow changing noise levels over time.

Decibel Metre (Sound Meter) measures sound in dBA through the built-in microphone. It shows the current reading, a graph, and minimum, average, and maximum values. Together, these can help you see whether noise stays steady or rises and falls during a check.

Standout feature: A graph paired with summary statistics.

3. Decibels: dB Sound Level Meter

Best for: iPhone users who want more than a live number on screen.

Decibels: dB Sound Level Meter estimates sound pressure using the internal microphone and displays the reading on an analog dB(A) meter. It also offers frequency weightings and strip-chart recording, so you can explore sound beyond a single live value.

Standout feature: Frequency weightings alongside strip-chart recording.

4. Decibel : dB sound level meter

Best for: iPhone users who want analysis tools and a record of readings.

Decibel : dB sound level meter combines ambient noise measurement with a noise dosimeter and spectrum analyzer. You can save and export measurements for later review. That’s useful if you want to keep a record instead of checking a reading once and closing the app.

Standout feature: Saved, exportable measurement data.

5. Decibel Meter Sound Detector

Best for: iPhone users who need to share a sound reading.

Decibel Meter Sound Detector uses the device microphone to provide real-time dB readings and sound analysis. Its sharing option lets you pass measurements on for documentation or further analysis. As with other phone-based meters, treat the result as an estimate, not a certified measurement.

Standout feature: Sharing measurements beyond the app.

6. dB Meter & Spectrum Analyzer

Best for: iPhone users interested in sound levels and frequency analysis.

dB Meter & Spectrum Analyzer pairs sound-level measurements with an integrated spectrum analyzer. Its listing says the app is calibrated with a professional dB meter. That’s a claim from the listing, not independent verification of its accuracy on every iPhone.

Standout feature: An integrated spectrum analyzer.

7. Sound Meter - Decibel

Best for: Android users who want measurement summaries and a way to adjust readings.

Sound Meter - Decibel measures noise in decibels and reports minimum, maximum, and average levels. Graphs show how readings change, and a calibration feature lets you adjust the displayed measurement. Results still depend partly on the phone’s microphone and setup.

Standout feature: Calibration alongside graph views.

8. Sound Meter: Decibel Meter

Best for: Android users who want to review recent sound measurements.

Sound Meter: Decibel Meter estimates surrounding sound levels in real time and shows minimum, average (Leq), and maximum readings. It also includes a 60-second chart, a calibration option, and measurement history. These tools make it easier to look back at recent changes instead of relying on the current reading alone.

Standout feature: Measurement history paired with a 60-second chart.

How we picked these apps

This roundup compares the supplied app descriptions and their stated features. It isn’t based on independent accuracy tests. The practical differences include whether an app offers live readings, averages, graphs, calibration, history, or export. Some focus on basic sound checks; others add tools such as a dosimeter or spectrum analysis.

A phone’s microphone, its case, and the surrounding environment can all affect readings. We don’t rank these apps by claims about precision, reliability, price, or user satisfaction that the available descriptions don’t establish. Treat feature lists as a guide to what an app offers, not proof of measurement quality.

Frequently asked questions

Can a phone decibel meter app give accurate readings?

A phone app estimates sound through its microphone, and microphones can vary between devices. Use readings as helpful checks, not certified measurements. Choose a calibrated meter when dependable results matter.

What do dB, dBA, and Leq mean?

dB is a unit used to describe sound level. dBA applies A-weighting, which is intended to reflect human hearing sensitivity. Leq is an average sound level over a stated period.

Which features matter most in a decibel meter app?

Live readings and basic summaries work well for quick noise checks. Choose graphs or history to follow changes over time. If you need them, look for calibration, a dosimeter, spectrum analysis, or export.

Do these apps work on both iPhone and Android?

This roundup includes separate iOS and Android apps, not one app that works on both platforms. Check the relevant store listing for compatibility. Apps with similar names may have different features.

The verdict

The right choice depends on what you need to do. For a compact summary, Decibel Meter - Sound Meter reports minimum, average, and maximum levels. Decibel : dB sound level meter adds a dosimeter, spectrum analyzer, and export options; dB Meter & Spectrum Analyzer includes frequency analysis; and Sound Meter - Decibel offers Android graphs and calibration. All phone-based results are estimates, not professional measurements.