Wonder Decibel - Voice Meter

Professional measurement algorithm that measures and encrypts environmental decibel levels in real time, intelligently overlaying data onto photos and videos.

Wonder Decibel transforms your iPhone into a professional acoustic lab, blending scientific precision with intuitive design for deeper insight into any sound environment.

Understand Your Sound Environment Instantly

More than just a decibel meter, Wonder Decibel interprets what the numbers mean. Our intelligent Noise Level Classification feature instantly translates raw decibel readings into meaningful categories – from "Quiet Library" to "Hazardous Noise." Get immediate, human-readable feedback on your acoustic environment, empowering you to take action when it matters most.

Professional-Grade Measurement for Every Scenario

Whether you're monitoring workplace safety, assessing environmental noise, or analyzing audio equipment, Wonder Decibel delivers laboratory-grade precision with support for three essential frequency weightings:

• dBA – Optimized for environmental and occupational noise assessment
• dBC – Ideal for measuring industrial and entertainment sound levels
• dBZ – Captures peak impulse sounds with unmatched accuracy

Visualize Sound in Real Time

See what you're hearing with our sophisticated Triple Visualization System:

• Waveform Display – Track sound pressure variations in real time
• FFT Analysis – Deconstruct audio into its frequency components
• Spectrogram View – Observe how frequency content evolves over time

These professional tools reveal patterns and characteristics invisible to standard meters, perfect for audio engineers, researchers, and curious minds.

Never Lose Track of Your Measurements

Every reading tells a story. Wonder Decibel automatically creates a Detailed Measurement Log for each session, preserving:

• Precise GPS location with map integration
• Accurate timestamps and duration data
• Measurement type and environmental conditions
• Custom notes and tags for easy organization

Your complete measurement history is always accessible, searchable, and exportable.

Capture Visual Evidence with Data Overlay

A picture is worth a thousand measurements. Our innovative Media Capture System allows you to:

• Take photos with real-time sound levels displayed on-screen
• Record videos with continuous decibel readouts
• Automatically embed measurement data into image metadata
• Create compelling visual documentation for reports and presentations

Create Professional Reports in Minutes

Transform raw data into polished deliverables with our Advanced Reporting Engine:

• Generate comprehensive PDF reports with charts and graphs
• Include measurement details, location maps, and captured media
• Share instantly via email, cloud services, or messaging apps
• Export raw data for further analysis in spreadsheet applications

Perfect For:

• Occupational Health & Safety professionals monitoring workplace compliance
• Audio Engineers & Musicians analyzing acoustics and equipment
• Event Planners ensuring venue compliance with regulations
• Property Managers documenting noise complaints and assessments
• Educators & Students exploring the science of sound
• Homeowners monitoring neighborhood noise levels
• Industrial Hygienists conducting comprehensive sound evaluations

Subscription Service When you subscribe to the "VIP Subscription" service, you will enjoy the following benefits:

1. Unrestricted access to all features.
2. AI content recommendations based on usage habits.

Payment for subscriptions is straightforward—the user's iTunes account is credited immediately after confirmation of purchase and payment. Please note that the Apple iTunes account will be automatically debited 24 hours prior to expiration. Upon successful deduction, the subscription term will be extended by one subscription cycle. User Agreement: https://www.wonderda.com/agreement.html Privacy Agreement: https://www.wonderda.com/privacy.html