The app estimates lightning distance by timing the interval between seeing lightning and hearing thunder. It uses a calculation based on the speed of sound to provide an approximate distance.
by Edward Danley★ 5.01 ratingsWeatherFreeData updated 2026-09-11
Teach children biblical stories through audio lessons and scripture-based content. Track progress with interactive quizzes and weekly challenges. Receive weekly devotionals and prayer prompts for families.
Play a short game by matching colored buttons to on-screen text within 20 seconds. Track progress through endless rounds. Test color vision, visual perception, and reaction speed.