The app allows users to test visual acuity up to 2.0 on high-definition displays. It measures acuity from 0.01 to 2.0 based on the Landolt ring standard.
by Takeshi Kawai★ 0.00 ratingsHealth & FitnessFreeData updated 2026-09-30
The app allows users to record and monitor health data, including weight, blood pressure, and activity. Users can access their data on their smartphone anywhere and at any time, with clear presentation through graphics and tables.
A with customizable time and sound settings. Displays time prominently on a large interface. Supports external screens for remote use. Includes a Workout DJ to play selected music during workouts.
Solve puzzles by fitting numbers or images into a grid. Select from various themes like digits, safari, or pets. Use drag-and-drop or swipe-and-tap to place items. Choose from 10 difficulty levels. Play unlimited puzzles without time limits.
Check visual acuity by reading text from a distance. Test for astigmatism with a simple assessment. Identify color blindness by drawing numbers from a screen. Capture an eye image using the phone camera for disease evaluation.
Explore historical events with interactive content
Explore historical events with interactive 3D models and augmented reality features. View text alongside immersive visualizations of the battlefield. Navigate through timelines and character profiles to learn about key figures and events.