ChartDay
Fu Ni Productivity iPhoneiPadiPod touch
ChartDay is a free Productivity app for iPhone and iPad by Fu Ni. Rated 5.0/5 from 3 ratings. Requires iOS 16.2. Updated May 31, 2026.
- Rating
- 5.0
- 3 ratings
- Price
- Free
- on the App Store
- Size
- 2 MB
- Age 4+
- Updated
- May 31
- 2026 · v3.1.1
Screenshots
About 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.
What’s new
Version 3.1.1 · Updated May 31, 2026
Bug fix: Decimal values can now be entered on devices whose region uses a comma (,) as the decimal separator. Previously these values would reset to zero — this has been resolved.
App privacy
The developer, Fu Ni, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| ChartDay | 5.0 / 5 (3 ratings) | Free | May 31, 2026 | |
| Graphity | – | Free | Dec 20, 2023 | Compare |
| Charts IQ: Chart & Graph Maker | 3.7 / 5 (32) | Free | Dec 18, 2023 | Compare |
| Graph Maker - easy combo chart | 3.6 / 5 (16) | Free | Aug 5, 2026 | Compare |
| Graph | 2.9 / 5 (15) | Free | Oct 12, 2026 | Compare |
| Charty for Shortcuts | 4.7 / 5 (342) | Free | Jun 23, 2026 | Compare |
| Chart Builder Graph Maker | 4.4 / 5 (129) | Free | Dec 21, 2025 | Compare |
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