DecibelMeter vs SPL Meter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DecibelMeter
This utility app transforms your iPhone into a sound level meter to measure ambient noise. It provides real-time decibel readings, displaying maximum, current, and average values on a gauge. The app offers a simple interface with dark mode support for easy use.
- Sound level meter functionality
- Real-time dB measurement
- Max, current, and average values
- Gauge meter display
- Dark mode support
- Simple and easy to use
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DecibelMeter - Noise Meter App makes your iPhone as a sound level meter, it can measure noise level. WHY YOU WILL LOVE DecibelMeter - Noise Meter App - Very simple & easy to use - Super quick and accurate dB measuring - All-in-one meter - Maximum, current and average values - A gauge meter displaying values - Dark mode support ----- Decibel Meter Pro is available with a monthly or annual subscription. You can subscribe and pay through your Apple account. Your subscription will automatically renew unless canceled at least 24 hours before the end of the current period. Auto-renew may be turned off after purchase. Terms of Use: https://www.zhihuke.com/decibelmeter/terms.html Privacy Policy: https://www.zhihuke.com/decibelmeter/privacy.html
SPL Meter
This tool measures ambient noise levels in real-time, providing decibel readings to help you understand noise intensity and protect your hearing. It features an intuitive gauge, explanations of noise levels, and recording capabilities to track variations across locations and times.
- Real-time decibel measurement
- Intuitive gauge display
- Noise level explanations
- Recording functionality
- Track noise variations
- Hearing protection guidance
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noiseDB is a professional noise measurement tool that helps you monitor ambient noise levels in real-time. Through precise decibel measurements, you can understand the intensity of noise you're exposed to in daily life, protecting your hearing health. The app features an intuitive gauge display, detailed noise level explanations, and recording functionality that allows you to track noise variations across different locations and times. Whether you're checking your work environment, home noise levels, or evaluating sound levels in public spaces, noiseDB is your ideal choice. Understand noise and protect your hearing with noiseDB. This app is using the standard Apple Terms of Use (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: SPL Meter at 4.5 against DecibelMeter's 2.0. SPL Meter also leads on update cadence (every 5 weeks vs every 15 months) and ratings volume (11 vs 1). On price, ads, in-app purchases and monetization model 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. DecibelMeter sells 2 in-app purchases, starting at $1.49 per month and SPL Meter sells 2 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.
SPL Meter holds the better App Store score, 4.5 against 2.0. That said, the two scores are not equally well evidenced: SPL Meter has 11 ratings behind it against 1, so its average is the more settled of the two.
DecibelMeter ships an update every 15 months, SPL Meter every 5 weeks. The most recent releases landed on September 23, 2026 and October 17, 2026 respectively.
| Parameter | DecibelMeter | SPL Meter |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) | 4.5 (11 ratings) — better |
| Positive reviews | 20.0% of reviews | — |
| Number of ratings | 1 | 11 — better |
| Update frequency | Every 15 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 9 MB |
| Age rating | +4 | 4+ |
| Developer | 杏娣 吴 | 金红 李 |
Customer experience
DecibelMeter
SPL Meter
In-app purchases
DecibelMeter
- Decibel Meter Pro$1.491 Month
- Decibel Meter Pro7 Days trial$7.991 Year
SPL Meter
- Unlimited access$1.997 Days
- Unlimited access$9.991 Year
