Apps Like ToolsCylinder for iPhone and iPad
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.





Oxygen Calculation Tool
Joshua Savko
Calculate supply and flow rate
Calculate usable time based on supply and flow rate. Input flow rate as free flow or from ventilation settings using minute ventilation and FiO2. Add or remove up to 10 cylinders for portable and onboard supplies.



Heart Rate Monitor - Pulse BPM
晖 郝
Check and track steps
Measure and track steps anytime, anywhere. View real-time data and step counts. health status with visual displays. Set reminders for regular checks. Sync data across devices for continuous tracking.

Cyl Duration
Responsive Respiratory, Inc
Calculate oxygen time remaining in cylinders
Calculate remaining oxygen time in cylinders by inputting device, liter flow, cylinder size, and oxygen level. Display in hours and minutes. Alert users when oxygen levels are low. Sync with medical devices for real-time updates.

AutoSleep: Watch Sleep Tracker
TANTSISSA HOLDINGS PTY LTD
Track without touching your phone
Automatically track stages from Apple without manual input. View data without requiring the . No user analytics, ads, or third-party tracking. No in- purchases or subscriptions. Integrates with Apple for full stage reporting.

Blood Oxygen App
AboutMe Apps, Inc.
Track and heart rate levels
Monitor and heart rate using Apple Watch integration. Receive alerts for low levels. Log vitals for later sharing with healthcare providers. Access curated health articles for educational insights.



Blood Oxygen App+
Kishan Panchotiya
Track and heart rate
Track levels and heart rate with guided steps. Log measurements and save them for later. Access recent data quickly. Export measurements for record-keeping.






How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.