Measure illuminance and color temperature in real-time. Get lighting scene recommendations based on EML, lux, and CCT values. Snapshot data and share trends via CSV or PNG.
3.0(2 ratings)
Free
Best Theta alternatives: apps like Theta-Meter Light
10+ similar apps compared and reviewed
4.2 avg rating
10 free apps
Updated November 2026
Looking for something like Theta? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.
Top Alternatives to Theta
Light Spectrometer Wavelength by Contechity AB
Spectrum Analyzer SpectroscopeStrong Contender
🔧 Utilities
4.2(96 ratings)
FreeIn-App Purchases
This application analyzes light to determine its dominant wavelength in nanometers, frequency in terahertz, and period length in femtoseconds. It provides real-time measurements and allows users to save their findings with notes. The app is designed for measuring colored light sources.
Light Meter: Lux-525 Pro by Andrey Ivankin
Measure light intensity & cctWorth Considering
🔧 Utilities
4.5(116 ratings)
FreeIn-App Purchases
This app functions as a precise and user-friendly light meter using your phone's built-in sensors. It measures illuminance, color temperature, PPFD/PAR, DLI, and luminous flux in real-time. It also includes a calculator for various illumination parameters and allows sharing or saving of measurements.
