The app calculates the lens factor based on screen size and projector distance. It also determines screen size or projector distance when lens factors are known.
by Bart van Stiphout★ 5.02 ratingsProductivity$1.99Data updated 2026-09-14
Solve logic puzzles with adjustable difficulty levels. Access unlimited puzzles and hints. Use optional timer for tracking progress. Receive explanations for incorrect answers. Puzzles scale to screen size without scrolling.
Calculate consumption and operating costs for electrical devices. Enter power consumption, daily usage time, and electricity rate. View daily, monthly, and yearly use and analysis. Optional peak load calculation for demand charges.
The app captures eyewear measurements using a single image and the patented EY-stick. It allows customers to compare frame selections side-by-side and demonstrates lens advantages interactively.
Calculates air volume, pressure loss, velocity, and duct size for rectangular or round ducts. Supports both imperial and metric units. Users input values to determine required dimensions and system performance.
Provides a real-time framing preview of your iPhone or iPad camera setup. It simulates field of view for cinema lenses and cameras. Users can adjust settings to match their equipment. The includes ad banners that can be disabled.
Play a game where players launch toward the shores of Nineveh to achieve the farthest distance. Tap the screen to propel and collect power-ups for increased speed. Bounce on bubbles, swim with dolphins, and fly with birds to progress.
Measure size using camera with AR technology or place on screen within a designated circle. View diameter and size results. Save measurements for future reference.