Spectrum vs Eulumdat

Turn your iPhone or iPad into a professional audio tool. Spectrum-V lets you measure, visualize, and explore sound with precision — perfect for musicians, audio engineers, and enthusiasts. Key Features • Waveform Analyzer – Monitor live audio waveforms directly from the microphone. • Spectrum Analyzer (FFT) – View frequency distribution with a fast and colorful FFT spectrum. • Spectrogram (Waterfall) – Explore sound energy over time with a vivid spectrogram display. • dB Meter – Check sound levels instantly with a responsive decibel meter (dBFS). • Tuner – Detect pitch and musical notes in real time — great for guitar, vocals, or any instrument. Spectrum-V combines simplicity with powerful analysis tools, making it easy to visualize sound whether you’re practicing music, testing acoustics, or just exploring the audio world.

Eulumdat is a professional photometric data viewer for lighting engineers, designers, and architects. View and analyze LDT (EULUMDAT) and IES photometric files with beautiful interactive diagrams. Features: • Open and view LDT and IES photometric files • Multiple diagram types: Polar, Cartesian, Butterfly, Heatmap, BUG Rating, and LCS • Interactive 3D butterfly diagram visualization • Export diagrams to SVG • Convert between LDT and IES formats • Batch conversion support • Dark and light theme support • QuickLook preview integration (macOS) Perfect for: • Lighting designers reviewing luminaire data • Architects evaluating lighting fixtures • Engineers analyzing photometric distributions • Anyone working with lighting specification files