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
Track daily habits and fitness progress through interactive gameplay. Connect with players globally to share achievements and receive motivational feedback. Set personal goals and monitor consistency over time.
Create and manipulate music with a visual sequencer, sampler, and effects processor. Import and play loops, adjust timing and pitch, and apply filters. Record and save original compositions.
Tracks steps using built-in sensor without GPS. Displays burned calories, walking distance, and time in graphs. Automatically records steps when screen is locked. Starts with a single tap. Works with phone in hand, bag, pocket, or armband.
Syncs data with Apple . Tracks activity, body measurements, heart rate, and sleep. Allows selection of data categories to . Imports water intake and energy metrics. Updates records in real time.
Track running laps and distance using barcodes or QR codes. Display lap counts and total distance per student. Scan with iPhone or iPad. iPad can function as a self-scanning station with front camera.
Track daily habits with progressive overload to build consistency. Set and adjust goals, earn XP points, and view progress over time. Sync data across devices and receive personalized feedback to improve daily routines.
Analyzes running performance using -model tracking and stride mechanics. Import recorded runs for on-device preprocessing. Review cadence, ground-time cues, and metrics linked to peer-reviewed studies.