Decibel Meter Sound Level dB vs IAQ Solution
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Decibel Meter Sound Level dB
This tool transforms your iPhone into a professional sound level meter. It measures noise levels, tracks daily noise exposure, and can record video with embedded decibel data for evidence. Analyze sound frequencies and generate reports for workplace compliance or noise complaints.
- Professional noise dosimeter
- OSHA & NIOSH standards compliance
- Video recording with dB overlay
- Spectrum analyzer (RTA)
- PDF report export
- Calibration for accuracy
- Background measurement mode
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Decibel Meter: Sound Level & Noise Detector Professional Sound Meter & Noise Dosimeter for iPhone. Turn your device into a precision sound level meter (SPL meter). Trusted by safety officers, acoustic engineers, and thousands of users, Decibel Meter delivers lab-quality noise monitoring with an elegant, intuitive interface. Whether you are checking noise levels for OSHA workplace compliance, recording evidence for noise complaints, or analyzing audio frequencies, this is your all-in-one pocket tool. === KEY FEATURES === PROFESSIONAL NOISE DOSIMETER • OSHA & NIOSH Standards: Accurately track daily noise exposure dose. • Hearing Safety: Monitor TWA (Time Weighted Average) to prevent hearing loss. • Real-Time Analysis: Instant, high-precision dB(A), dB(C), and dB(Z) measurements. VIDEO & EVIDENCE RECORDING • Video Overlay: Record video with real-time decibel levels embedded—perfect proof for noisy neighbors or construction sites. • Photo Snapshots: Capture measurement screens with timestamp, location, and max dB tags. • GPS Tagging: Automatically map your noise measurements to specific locations. ADVANCED ANALYSIS & REPORTING • Spectrum Analyzer (RTA): Visualize sound frequencies (FFT) to identify annoying noise sources. • PDF Export: Generate professional reports with charts, statistics, and exposure data in seconds. • History Log: Save unlimited session data for long-term environmental monitoring. POWERFUL TOOLS • Calibration: Fine-tune microphone sensitivity for professional-grade accuracy. • Background Mode: Continue measuring and logging data even when the app is closed. • Multiple Views: Switch between Waveform, Digital, Analog Gauge, and Spectrum views. • Reference Chart: Compare current noise levels with real-world examples (e.g., "Subway Train," "Whisper"). Download Decibel Meter today and measure the world around you with precision! === Subscription options === The app is free to download, but to access premium features, a subscription is required. With the subscription, you'll enjoy uninterrupted access to our premium features. Your subscription will automatically renew at the end of each term, and your credit card will be charged through your iTunes account within 24 hours before the end of the current period. If you wish to cancel the automatic renewal of your subscription, you can do so at any time by accessing your iTunes account settings. However, please note that refunds will not be provided for any unused portion of the term. To ensure a successful cancellation, please make sure to turn off auto-renewal at least 24 hours before the end of the current period. Terms of use: https://decibelmeter.andyrgb.com/terms Privacy Policy: https://decibelmeter.andyrgb.com/privacy Feedback? Contact us at: andychung.cc@gmail.com
IAQ Solution
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더하라 공기청정기와 BLE로 연동되어, 실시간으로 실내 공기질의 변화를 추적할 수 있습니다.
Screenshots
Verdict
The clearest difference is in-app purchases: IAQ Solution at none against Decibel Meter Sound Level dB's 4. IAQ Solution also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.6). On price, update cadence 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. Decibel Meter Sound Level dB sells 4 in-app purchases, starting at $4.99 per 7 days. IAQ Solution asks for nothing beyond the download.
Decibel Meter Sound Level dB ships an update every 3 months, IAQ Solution every 2 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | Decibel Meter Sound Level dB | IAQ Solution |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (24 ratings) — better | — |
| Positive reviews | 37.5% of reviews | — |
| Number of ratings | 24 — better | — |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 19 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | 汇杭 钟 | DONG YEON KIM |
In-app purchases
Decibel Meter Sound Level dB
- Premium Weekly$4.997 Days
- Premium Monthly$5.991 Month
- Premium Yearly3 Days trial$29.991 Year
- Lifetime Premium$49.99
IAQ Solution
No in-app purchases
Questions
Is Decibel Meter Sound Level dB free?
Is IAQ Solution free?
Do Decibel Meter Sound Level dB or IAQ Solution have ads?
Which is updated more often, Decibel Meter Sound Level dB or IAQ Solution?
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