Light Meter - Lux Meter

Contains adsIn-app purchases
5K+
Downloads
Content rating
Everyone
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About this app

Turn your phone into a professional light meter. Light Meter measures ambient light intensity using your device's built-in sensor, displaying readings in both lux and foot-candles with a real-time chart.

Whether you're checking office lighting compliance, setting up photography lighting, or optimizing your home environment, Light Meter gives you the tools professionals use — right in your pocket.

KEY FEATURES:
• Real-time lux and foot-candle measurement with live intensity chart
• 4 measurement modes — Continuous, Spot, Timed, and Interval recording
• 24 built-in OSHA/IES lighting standards with live compliance checking
• Room-based tracking — organize measurements by location with target lux ranges
• Session recording — save, review, and export measurement history as CSV
• Sensor calibration — calibrate against a known reference for accurate readings
• PDF compliance reports — generate professional lighting assessment documents
• Light level indicator — instant visual feedback from Darkness to Extremely Bright
• Min/Max/Average statistics tracked in real-time during sessions
• Dark mode support with customizable chart settings

WHY CHOOSE LIGHT METER?
• OSHA & IES standards built-in — check workplace compliance instantly
• Room management — track lighting across multiple locations over time
• Professional reports — export PDF compliance reports for clients or inspectors
• No internet required — works completely offline with local data storage
• Clean, distraction-free interface designed for quick measurements

PERFECT FOR:
• Workplace safety officers checking OSHA lighting compliance
• Photographers measuring ambient and studio light levels
• Interior designers optimizing room lighting
• Facility managers tracking lighting across buildings
• Home users ensuring proper lighting for reading, cooking, and relaxation
• Students and educators learning about light intensity

MEASUREMENT MODES:
→ Continuous: Ongoing real-time measurement with rolling chart
→ Spot: Single-point reading for quick checks
→ Timed: Record for a set duration with automatic stop
→ Interval: Take readings at set intervals for environmental monitoring

LIGHTING STANDARDS:
Compare your readings against 24 professional standards across 8 categories: Office, Retail, Industrial, Education, Healthcare, Residential, Outdoor, and Photography. See instant COMPLIANT, BELOW, or ABOVE status for each standard.

ROOM TRACKING:
Create rooms with custom target lux ranges. Track measurements over time and see compliance at a glance. Set targets based on lighting standards or your own requirements.

Upgrade to Premium for unlimited sessions, unlimited rooms, PDF reports, and an ad-free experience with a single one-time purchase.

Light Meter — measure, compare, comply.
Updated on
Mar 29, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
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Data is encrypted in transit
Data can’t be deleted

What’s new

- Multiple room light monitoring
- Lighting standards from multiple domains
- PDF report generation
- Contact us
- Premium features included