Question 1

Is OnTimer free?

Accepted Answer

Yes. OnTimer is free to download. Some advanced features, including Time To Leave alerts, are paid features.

Question 2

What does OnTimer do?

Accepted Answer

OnTimer connects to your calendar and creates loud, persistent alarms before meetings and events so they are harder to miss.

Question 3

How is OnTimer different from my calendar app's built-in reminders?

Accepted Answer

Most calendar apps send standard notifications. OnTimer is built to create a stronger, more persistent alert before it is time to join or leave.

Question 4

Does OnTimer work with Google Calendar?

Accepted Answer

Yes. OnTimer works with Google Calendar.

Question 5

Does OnTimer work with Microsoft calendars?

Accepted Answer

Yes. OnTimer works with Microsoft calendars.

Question 6

Does OnTimer support multiple calendars?

Accepted Answer

Yes. You can use OnTimer with multiple calendars and accounts.

Question 7

Can OnTimer remind me when it is time to leave?

Accepted Answer

Yes. For events with a location, Time To Leave can alert you when it is time to leave based on travel time and traffic. Time To Leave is a paid feature.

Question 8

Who is OnTimer best for?

Accepted Answer

OnTimer is especially useful for busy professionals, people with back-to-back meetings, people who miss standard notifications, and people who struggle with time blindness or chronic lateness.

Question 9

Does OnTimer upload my calendar data anywhere?

Accepted Answer

No. OnTimer is completely on-device. It reads your calendar locally and never sends your data to any server. Your schedule stays private on your iPhone.

Question 10

Is there an Android version?

Accepted Answer

Not yet, but it is coming. Join the Android waitlist to be notified as soon as it is available.

Question 11

When should I leave for the airport?

Accepted Answer

It depends on your flight type, security setup, bags, and how you are getting there. Domestic flights typically require arriving 2 hours early; international flights 3 hours. Add your drive time and any parking buffer on top of that. You can estimate your exact departure time using the OnTimer Airport Time-to-Leave Calculator at ontimer.app/airport-time-to-leave-calculator.

OnTimer FAQ

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