Track Labor with Confidence
One-tap contraction tracking with automatic 5-1-1 hospital alerts, labor stage detection, and real-time statistics. Know exactly when to head to the hospital.
The 5-1-1 Rule
The gold standard for knowing when to go to the hospital
- 5
Minutes Apart
Contractions are 5 minutes apart from start to start - 1
Minute Long
Each contraction lasts at least 1 minute - 1
Hour Consistent
This pattern continues for at least 1 hour
Powerful Features for Labor
Everything you need to track contractions with confidence
One-Tap Tracking
Large START/STOP buttons designed for high-stress moments. The app records duration, interval, and frequency automatically.
Real-Time Statistics
Live dashboard showing average duration, interval, total contractions, and progress toward hospital criteria.
Hospital Alerts
Automatic alerts when you meet the 5-1-1 criteria with call hospital and navigation buttons.
Apple Watch Support
Start and stop contractions from your wrist. Perfect for hands-free tracking during labor.
Live Activity
Track contractions from your lock screen and Dynamic Island even when using other apps.
Session Summary
Share a formatted summary of your contraction session with your medical team when you arrive at the hospital.
Labor Stage Detection
Once you have a pattern, ProbaBaby names the stage — early, active or transition.
Early Labor
Mild to moderate contractions. Usually manageable at home. Stay hydrated and rest.
30-45 seconds5-30 minutes apart
Active Labor
Moderate to strong contractions. You should be at or heading to the hospital.
45-60 seconds3-5 minutes apart
Transition Phase
Very intense contractions. The final phase before pushing. Shortest but most intense.
60-90 seconds2-3 minutes apart
Contraction Timer FAQ
Common questions about the contraction timer
Yes! The Contraction Timer is completely free and requires no credits. Available to all ProbaBaby users.
Yes. The timer works 100% offline. Data syncs to the cloud when you regain internet access.
Yes! Start and stop contractions directly from your wrist with Apple Watch. Sessions sync to your iPhone instantly.
The timer monitors your exact contraction pattern and alerts the moment you meet the 5-1-1 criteria. You can also customize to 4-1-1 or 3-1-1 rules.
Yes! Share a session summary — with all contraction details, averages, and hospital-rule status — with your care team.
No. The timer uses minimal battery. Live Activities and Watch complications are optimized for low power consumption.
Track Contractions with Confidence
Download ProbaBaby and be ready when labor begins. Free contraction timer with hospital alerts.
5 starter credits · first Scientific prediction free
- Free to download
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