ChartDay

Track your daily habits, health, fitness, and more — visualized in beautiful, interactive charts.

◉ Key Features
・Daily Tracking Made Simple
　Enter a number each day and watch your progress unfold as a chart.
　View trends by week or month at a glance.

・Instant Stats
　Automatic calculations for sum, count, min, max, mean, and median — always up to date.

・Set Goals & Stay Motivated
　Add a target line or range directly on your chart to keep your objectives in sight.

・Tags & Filtering
　Organize entries with custom tags and filter your chart by any combination.

・Home Screen Widgets
　Check your latest data without opening the app.
　Tap the widget to jump straight to data entry.

・iCloud Sync
　Your charts stay safe and in sync across all your devices.

・Multi-Entry Mode
　Record multiple data points per day with timestamps on a single chart.
　Ideal for tracking walks, meals, workouts, or anything that happens more than once a day.

・Data Export
　Export any chart as a CSV file whenever you need it.

・Private & Ad-Free
　No ads, no tracking, no data collection. Your data belongs to you.

◉ ChartDay Unlimited (In-App Purchase)
Unlock unlimited chart creation with a one-time purchase.
Try it free first — add up to 100 data points before deciding.