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- zRef Vs. Whistle Time
zRef vs Whistle Time Usage & Stats
zRef is a refereeing app to help you keep track of your matches. The app can keep track of time, log goals, cautions, ejections, and more.
The app is simple to use. Simply create a new match, and supply the time per half. Click the start button to start the timer and press it to stop. There is a timer and stopwatch, so you can know he time remaining and the elapsed time for filling out game cards. You can also click and hold start/stop the button to log things such as goals, cautions, and ejections. When the game is over, you will be given an end of game report. This will contain the final score and each event that occurred (including time).
- Apple App Store
- Free
- Sports
Store Rank
- -
Take Control of the match with Whistle: Your Ultimate Football Referee Companion
Whistle is the perfect refereeing tool for football and any sport requiring precise time management. Whether you're officiating a high-stakes match or a friendly kickabout, Whistle provides the features you need to stay on top of every second, and now, even analyze your on-field movement with our innovative heatmap technology.
Effortless Time Management
Easily configure match periods, including half-time and injury time, with customizable warnings as the clock winds down or counts up. Track yellow and red cards, including time penalties, with automatic alerts when a player's penalty is over. Save your regular match settings as templates for quick selection – perfect for switching between standard adult football (2 x 45 minutes) and youth matches (e.g., 4 x 15 minutes). Nine pre-loaded sport templates, including football, are ready to go right out of the box.
Beyond Football
Whistle's flexible design adapts to various sports, including hockey, handball, basketball and rugby. Customize periods, breaks, and even card rules to perfectly match your sport's regulations.
Track Cards and Penalties
Manage cards with configurable penalty durations. Whistle automatically tracks penalty time and notifies you when a player can return to the field. Keep a clear record of all card events throughout the match.
Seamless Syncing Across Devices
Whistle seamlessly syncs across your smartwatch, phone, and TV, providing ultimate flexibility and control. Share live match data with assistant referees, coaches, or even spectators using a unique match code or a quick link generated directly within the app. Everyone connected sees real-time updates to the score, time, cards, and other key events. Imagine the convenience of your assistant referee having all the match information right on their wrist!
Post-Match Analysis & Heatmap Insights
After the final whistle, Whistle generates a comprehensive overview of all match events, including duration, cards issued, goals scored, and breaks taken. But the insights don't stop there! Introducing our brand-new Heatmap feature: by utilizing your device's GPS, Whistle can now track your location throughout the match, generating a personal heatmap of your on-field movements. This powerful visual tool, available in the match overview and accessible later in your match history when logged in, allows you to analyze your positioning, coverage patterns, and overall engagement during the game. It’s perfect for self-assessment and identifying areas for improvement in your refereeing mechanics. This detailed log and advanced positional analysis is perfect for record-keeping and truly in-depth post-match review.
Intuitive and Easy to Use
Whistle is designed for quick, in-game adjustments. Double-tap the icon, time, or score for instant actions. Need to stop the clock quickly? Long-press the pause action or double-tap the rest icon.
- Apple App Store
- Free
- Sports
Store Rank
- -
zRef vs. Whistle Time ranking comparison
Compare zRef ranking trend in the past 28 days vs. Whistle Time
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January 18, 2026