Lux Decibel Insight: Meter
Sound Levels & Light Estimates
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
See sound levels and estimated light together. Follow live charts, check session averages, and export readings with Premium on iPhone and iPad.
Understand the sound and light around you, together.
Lux Decibel Insight combines sound levels in dB and camera-based light estimates in lux on your iPhone and iPad. Follow changes in real time and keep both readings visible while exploring your session.
CHECK YOUR SURROUNDINGS
• Observe noise around your desk, office, or study space.
• Follow sound changes in meeting rooms and shared spaces.
• Check estimated light when preparing photos or videos.
• Explore conditions in studios, shops, classrooms, and reading areas.
FOLLOW EVERY SESSION
• View live sound and light readings.
• Follow separate sound and light charts.
• Check average sound, peak sound, and average light.
• Start and stop capture with a clear ON/OFF control.
• Scroll through the tools while keeping current readings visible.
GO FURTHER WITH PREMIUM
A one-time purchase unlocks:
• CSV export of the current session.
• Extended charts with up to 1,800 samples.
• Focus mode for sound or light charts.
• Live microphone activity and signal preview.
• Calibration controls for sound offset, light correction, and smoothing.
• An ad-free experience.
Individual tools can also be unlocked for 30 minutes by completing a rewarded ad, when available.
Readings belong to the current session. Export your CSV before tapping OFF: stopping capture clears the session.
MEASUREMENT GUIDANCE
Readings are indicative estimates based on your device’s microphone and camera. Calibration requires an external reference. For regulatory, safety, or certification checks, use calibrated certified instruments.
• Redesigned Home with clearer capture status and a larger, centered ON/OFF control.
• Scroll from anywhere on Home while keeping sound and light readings visible.
• New getting-started guide with a centered Continue button.
• Dedicated Premium screen with clearer explanations of each tool.
• Independent 30-minute access to individual tools, with remaining-time indicators.
• Improved stability when closing measurement views.
The developer, cAsAxMoRe, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location
- Identifiers
- Usage Data
Data Linked to You
The following data may be collected and linked to your identity:
- Location
- Identifiers
- Usage Data
- Diagnostics
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Jose Manuel Casabona Martin
- Size
- 5 MB
- Category
- Utilities
- Compatibility
Requires iOS 18.6 or later.
- iPhone
Requires iOS 18.6 or later. - iPad
Requires iPadOS 18.6 or later. - Mac
Requires macOS 15.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.6 or later.
- iPhone
- Languages
English and 7 more
- English, French, German, Italian, Japanese, Portuguese, Spanish, Traditional Chinese
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- Lux Decibel Insight Premium $1.99
- Copyright
- © casaxmore 2026