Sunadokei vs Ruler Studio

Tilt your phone and watch the sand flow with gravity. Flip it over to start the timer. Sunadokei is a timer app that lets you feel time. Instead of a digital countdown, you see sand grains falling one by one, giving you an intuitive sense of how much time remains. Powered by SpriteKit physics and CoreMotion tilt detection, it delivers the tactile feel of a real hourglass. Realistic Sand Physics Tilt your phone and sand flows with gravity. Shake sideways and it ripples. One-Tap Quick Start 1, 3, 5, 10, 25, or 60-minute presets. Custom durations also available. Time-of-Day Backgrounds Morning orange, midday sky blue, evening sunset, nighttime indigo. Seasonal Sand Colors Cherry blossom in spring, aqua in summer, amber in autumn, silver in winter. Focus Tracking Today's focus time, daily streak, weekly chart. Visualize your total sand. Sunadokei Pro (one-time) 14 sand colors / 4 frames / 3 glass textures / unlimited presets / no ads Widget Support Place a mini hourglass on your home screen. Pause & Resume Pause and resume any timer at any time. Privacy Policy: https://kazusa703.github.io/privacy.html Terms of Use: https://kazusa703.github.io/terms.html Support: https://kazusa703.github.io/support.html

Precise measuring tools Ruler, grid, calibration, and ring sizing in one clean workspace. Ruler & Grid Studio High-precision multi-unit rulers with a built-in grid for everyday measurements. Smart Ring Sizer Align a real ring with the guide to estimate diameter, circumference, and size. Card Calibration Use a standard card edge to improve real-world measurement accuracy. Free Measuring Toolkit Full-screen grids, scale presets, and measurement overlays are included for everyone. Precise ruler, grid, calibration, and ring sizing tools.