Three9x vs TheoMeter

Use THREE9X APP to pair and synchronize smart glasses with mobile phones. Main functions: [Glasses operation] Connect the mobile phone and glasses via Bluetooth pairing to achieve precise control of the glasses system, such as adjusting volume, gesture settings, glasses system updates, etc. [Photo/video transmission] Use the glasses WIFI module to launch hotspots, support exporting, synchronizing, viewing, editing, sharing, and saving photos and videos taken by the glasses on the mobile phone; [AI voice assistant] Connect to the AI ​​big model, and realize AI question and answer and AI object recognition under Bluetooth connection;

TheoMeter helps you monitor sound levels, view live frequency spectrum activity, and document setup conditions from your iPhone. Designed for public-event and auditorium sound checks, TheoMeter combines a live dB meter with spectrum analysis tools, photo documentation, saved sessions, and exportable data. Use it to quickly understand room noise, monitor target levels, track peaks, and capture setup photos with optional dB overlays. Features include: -Live sound level meter with dBA, dBC, and dBZ weighting -Real-time frequency spectrum display -RTA bars, spline, and spectrogram views -Dominant frequency and selected band tracking -Fast, slow, and impulse response options -Leq, average, max, peak, and session duration stats -Dosimeter-style noise exposure view -Camera mode with sound-level overlay and filters -Save and export session data -Calibration offset controls -Clean navy, yellow, and white professional interface TheoMeter is ideal for sound technicians, event volunteers, venue setup teams, educators, presenters, and anyone who needs a clear view of sound levels and frequency behavior in a room. Note: TheoMeter uses the iPhone microphone for practical sound analysis. For compliance-grade measurements, use a professionally calibrated sound level meter.