Decibel Meter+ Sound Level dB
By Kyu-Hee Jang
Decibel Meter+ Sound Level dB is a mobile utility for real-time acoustic monitoring and noise dosimetry on iOS and Android.
The App DNA
What makes this app unique?
The app removes the need for dedicated sound-level hardware by providing a calibrated, mobile-first interface for everyday noise exposure tracking.
For Individuals needing to monitor noise levels in workplaces, classrooms, or residential environments for personal reference.
What does it look like?
Key features
Calculates daily noise dose percentage and 8-hour time-weighted average based on WHO or OSHA standards.
Records LAeq, Lmax, L10, and L90 metrics for sessions over 30 seconds, exportable as CSV.
Adjusts microphone sensitivity between -20 and +20 dB against a reference meter.
How much does it cost?
Monetization relies on ad-supported inventory and rewarded video gates for advanced reporting features.
Velocity
Steady developmentUX improvementsnew contentShow more...
The app currently ships at a steady cadence, with two distinct versions released within the last 13 days. Development is focused on enhancing user-facing measurement tools and refining interface aesthetics. The latest release provides a comprehensive summary card for sound sessions, including duration and TWA metrics, alongside visual improvements. This consistent update frequency suggests a stable product roadmap focused on feature refinement.
Who built it?
Kyu-Hee Jang
13+ apps tracked · Utilities
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Gyroscope+ Level IMU LoggerUser Sentiment
What do users think recently?
The recent review mood reads frustrated. Users appreciate the core database checking functionality provides value for users who appreciate the free access model.
How are ratings & reviews evolving?
What users say, by theme
- The core database checking functionality provides value for users who appreciate the free access model
- Frequent pop-up advertisements interrupt the user experience to the point of making the app unusable
9 of 9 recent reviews analyzed · limited sample · Frustrated overall
Read the full review analysisUnlock 1 more frustration theme, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Decibel Meter+ Sound Level dB
How's the Utilities market?
Decibel Meter+ Sound Level dB occupies a niche within the Utilities category, competing on professional-grade dosimetry features rather than pure measurement simplicity. The app's reliance on rewarded video for reporting indicates a focus on ad-driven monetization over direct paid acquisition.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for Decibel Meter+ Sound Level dB
Where is it heading?
The app is currently in a state of tension between its professional-grade utility and an aggressive ad-supported monetization model. While the latest update introduces meaningful dosimetry features, the negative sentiment regarding ad frequency threatens to cap the user base before these features can drive long-term retention.
- Excessive ad frequency interrupts measurement sessions, which directly erodes the daily active habit and drives negative sentiment.
- The latest update adds professional-grade WHO and OSHA dose calculations, showing active investment in utility-focused features.
The SWOT
- WHO and OSHA dosimetry standards provide professional-grade utility
- Calibration offset tool builds trust in measurement accuracy
- Subscription-based ad-free tier could capture users frustrated by current pop-up frequency
Next best moves
Audit ad placement frequency because high ad volume is the #1 complaint theme → improve retention
+ 1 more prioritized moveThe counter-intuitive read
The app's professional-grade dosimetry features are a stronger…
Read the full takeBottom line
Decibel Meter+ Sound Level dB provides professional-grade dosimetry tools that retain core users, but the current ad-heavy monetization model creates a churn risk that outweighs the revenue gains. Addressing functional reliability and ad friction would stabilize the user base.
Unlock 2 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is Decibel Meter+ Sound Level dB accurate enough for professional use?
Does Decibel Meter+ Sound Level dB have intrusive ads?
What is the difference between this and a standard decibel meter app?
Sources
- [1] App Store
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