Decibel Pro is an iOS sound-level meter and dosimeter utility designed for workplace safety and noise pollution monitoring.
The App DNA
What makes this app unique?
Users hire this app to verify environmental noise levels against OSHA and NIOSH safety standards, ensuring long-term hearing health through precise, calibrated measurements.
For Individuals concerned with workplace safety, noise pollution monitoring, and hearing health.
What does it look like?
Key features
Real-time decibel measurement with min/max tracking.
Calculates TWA and projected noise dose per OSHA/NIOSH standards.
Displays real-time readings on iOS lock screens.
Manual trimming against external references for high precision.
How much does it cost?
The app operates as a free utility with no visible subscription or IAP gates.
Velocity
Dormant developmentopaqueShow more...
The app has not received a single update in over 30 months, indicating a complete cessation of development activity. With only one version ever released, there is no evidence of a maintenance cycle or ongoing support. The project is classified as a zombie due to the lack of activity exceeding the 12-month threshold.
Who built it?
User Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for Decibel Pro: Sound Level Meter
How's the Utilities market?
Decibel Pro maintains a 4.38 rating across 74 reviews, positioning itself as a niche, high-precision utility in the crowded noise-monitoring category.
The rivals identified
By GeniusTools Labs
This app is a direct functional competitor that targets the same noise-pollution-conscious user base with a more mature, feature-rich sound measurement suite.
- Offers advanced source identification features that help users categorize the specific origin of detected noise
- Includes integrated alarm limits that provide proactive safety alerts when decibel thresholds are exceeded
- Maintains a significantly larger user base and review volume, establishing strong social proof and trust
Unlock the head-to-head verdict: where this rival wins, and where it loses.
Access the full report for freeThe Analyst's Read
Key takeaways for Decibel Pro: Sound Level Meter
Where is it heading?
The noise-monitoring market is shifting toward automated, proactive safety alerts that integrate with daily workflows. Decibel Pro remains exposed due to its manual-only monitoring, so the PM must bridge this feature gap to retain users who prioritize safety-critical automation over raw precision.
- Absence of automated alarm limits forces manual monitoring, which drives safety-conscious users toward more proactive, feature-rich competitive suites.
- Manual calibration capability provides a distinct precision advantage that sustains the app's utility for professional-grade, high-accuracy measurement requirements.
The SWOT
- Manual calibration against external references sustains professional-grade precision
- Live Activities integration maintains visibility on lock screens
- B2B partnerships with workplace safety officers for bulk deployment
- Wearable integration for real-time noise exposure monitoring
Next best moves
Ship automated alarm threshold alerts because rivals use them to capture safety-conscious users → increase retention
The counter-intuitive read
The lack of monetization is a strategic liability…
Read the full takeFeature gaps
Automated alarm limits (available in Sound and Noise Detector but missing here)
Since the last report: The app's competitive positioning has pivoted to address a critical feature gap in automated safety alerts, while the competitive landscape has been entirely remapped to reflect new functional rivals.
Bottom line
Decibel Pro wins on precision but loses on utility, because the lack of automated alerts forces manual monitoring, so the PM must prioritize proactive safety notifications to prevent churn to more mature competitors.
Unlock 2 critical frictions, 2 market threats and the analyst’s take.
Access the full report for freeReport last updated