WorkoutTimer2026 for watchOS

A clean, intuitive workout timer app for Apple Watch with haptic feedback and notification support.

Features

• ⏱️ Customizable Timer - Set any duration from 1 second to 59 minutes
• 🎯 Circular Progress - Visual progress indicator showing remaining time
• 💪 Haptic Feedback - Gentle taps during the final 10 seconds
• 🔔 Completion Notifications - Alerts you when your workout interval ends
• 🎮 Simple Controls - Play/Pause/Reset buttons for easy control
• 📱 watchOS Optimized - Designed specifically for the Apple Watch interface

Requirements

• watchOS 9.0 or later
• Xcode 14.0 or later
• Swift 5.7 or later

Installation

1. Clone the repository
2. Open WorkoutTimer2026.xcodeproj in Xcode
3. Select your Apple Watch as the build target
4. Build and run (⌘R)

Usage

Setting the Timer

1. Tap the clock icon button
2. Select minutes and seconds using the pickers
3. Tap "Set Timer"

Controlling the Timer

• Play - Start the countdown
• Pause - Temporarily stop the timer
• Reset - Reset to the original duration

During Countdown

• Timer displays minutes: seconds in large format
• Progress circle fills as time elapses
• Haptic feedback occurs every second during the last 10 seconds
• Timer turns red during final 10 seconds for visual warning

When Timer Completes

• Haptic feedback plays
• Local notification appears on wrist
• Timer stops at 00:00

Architecture

The app follows the MVVM pattern:

• ContentView - Main UI with timer display and controls
• TimerManager - Business logic for timer state management
• DurationPickerView - Modal view for setting custom durations

Technical Details

• Uses Task and async/await for timer loop
• UNUserNotificationCenter for reliable background notifications
• WKInterfaceDevice for haptic feedback
• Published properties for SwiftUI reactive updates
• MainActor to ensure UI updates on main thread

Known Limitations

• Timer may pause when wrist is lowered (watchOS power management)
• Completion notifications still fire accurately when app is suspended
• Maximum timer duration limited to 59 minutes (extendable if needed)

Future Enhancements

• Multiple timer presets
• Custom haptic patterns
• Interval training (rounds)
• Sound effects option
• History/log of completed workouts
• iCloud sync across devices
• Complications support

Troubleshooting

Notifications not working?

• Ensure notifications are enabled in Watch app settings
• First launch prompts for permission - tap "Allow"

Timer seems inaccurate?

• Timer is accurate when wrist is raised
• Background execution may pause, but notifications remain accurate

No haptic feedback?

• Check Silent Mode is disabled
• Ensure Wrist Detection is enabled in Watch settings

Credits

Created by Sheikh Naim

---

Made with ❤️ for Apple Watch

---

📄 License

This project is licensed under the MIT License.