The app provides an RGB waveform monitor, false-color display, and a shutter-priority reflected light meter. Users can calibrate the light meter to match other devices and view light levels across a scene.
by Adam Wilt★ 3.33 ratingsPhoto & VideoFreeData updated 2026-10-08
Measure light and color for accurate exposure settings. Use a zoomable spotmeter, RGB waveform monitor, and false-color preview. Attach Lenny Hat or Lumu™ Lite for incident readings with lux and foot-candle displays.
Manage network settings remotely with real-time monitoring and control. Set parental controls to filter content and restrict online time. Enable advanced security features to protect the network.
Measure levels in decibels using the device’s microphone. Display real-time audio frequency and dB readings. Apply filters for specific frequency and dB ranges. Share measurements via Messages, Email, WhatsApp, Notes, and other apps.
Measure intensity in lux and exposure values. Adjust settings for manual or film photography. Check lighting conditions for home, work, or greenhouse spaces. Save and share measurement data.
Generate sound waves and customize audio frequencies
Create and visualize sound waves with frequency control from 0Hz to 22,000Hz. Measure decibels to assess noise levels. Emit ultrasonic frequencies to deter insects. Toggle between light and dark interface themes.
Measure sound levels using iPhone's microphone. Display readings in real time. Log noise data and view historical trends. Set custom volume alerts. Share measurements via email or social media.
Beijing Lingguang Zaixian Information Technology Limited
Record and share high-quality videos
Record and edit videos with advanced cinematic controls. Transmit live video via Wi-Fi to multiple devices. Adjust framing, focus, and exposure in real-time. Export in high-quality formats and share directly.
Measures reflected intensity for manual cameras. Calculates reciprocity adjustments. Displays exposure values for film photography. Integrates with camera apps for real-time readings.
Manage energy usage with real-time data tracking and remote meter top-ups for prepaid and postpaid meters. Connect to customer service for issue reporting. Support NFC and Bluetooth for card-based meters.
Track purchases and earn rewards for shopping. Redeem points for prizes and cashback on online buys. Use cashback for discounts at restaurants, supermarkets, fashion stores, and movie tickets. Accumulate Coins through purchases.
The app functions as a reflective light meter using the phone's camera. It offers professional measurements for flash and color temperature when combined with Lumu Power hardware, providing exposure parameters and light analysis.
Monitor internet speed with real-time download and upload metrics. Track daily data usage and view past speed tests. Hide the when not connected. Provide accurate data usage information.
Measure acceleration, orientation, and motion with built-in sensors. Record and analyze real-time data for experiments. Detect and generate sound tones. Visualize audio waveforms. Export measurements and graphs for scientific use.
Generate tones between 50 Hz and 30,000 Hz for testing or tuning. Track environmental noise levels and detect harmful sound pressure. from phone speakers using sound waves to restore sound clarity.