OnTimer - Never be late

Automatic calendar alarms

Only for iPhone

Free · In-App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

Never be late again. Connect Google, Microsoft and Apple Calendars once. OnTimer automatically keeps you on time. Persistent alarms and Time to Leave alerts do the rest. You glance at your calendar reminder, think "I'll join in 5 minutes," then suddenly realize the meeting started 20 minutes ago. OnTimer automatically keeps you on time. Connect your Google, Microsoft, or Apple Calendar once, and OnTimer does the rest. HOW IT WORKS OnTimer uses your existing calendar as the source of truth. When your schedule changes, your alarms automatically stay in sync—so you never have to create or maintain manual alarms. Unlike regular calendar notifications that disappear after a swipe, OnTimer uses persistent alarms that keep reminding you until you dismiss them, helping bridge the gap between noticing a reminder and actually showing up on time. Use OnTimer for: - Meetings and calls - Appointments - Recurring events - Work and personal calendars - Events with locations - Moments when being late costs time, trust, or causes stress APPLE CALENDAR, GOOGLE CALENDAR, AND MICROSOFT CALENDAR - OnTimer now supports Apple Calendar, along with Google Calendar and Microsoft Calendar. - Connect one calendar for free, or upgrade to connect multiple calendars across work and personal life. TIME TO LEAVE ALERTS For events with locations, OnTimer helps you know exactly when to leave. Choose your preferred travel mode, add a departure buffer, and let OnTimer monitor traffic so you head out at the right time. - No more guessing when to leave. - No more scrambling when traffic is worse than expected. - Just reliable alerts that help you arrive on time. ESPECIALLY HELPFUL IF YOU: - See calendar reminders and still leave late - Miss meetings even when alerts are turned on - Get focused and lose the final few minutes before a call - Need alarms that keep reminding you until you take action - Use more than one calendar - Need help knowing when to join, leave, or switch tasks - Experience time blindness or notification overload FREE VERSION - Connect one Google, Microsoft, or Apple Calendar - Automatic alarms for every calendar event - Persistent, customizable alarms - Recurring event controls - Do Not Disturb controls - See which events support Time to Leave alerts PAID VERSION - Connect multiple Google, Microsoft, and Apple Calendars - Combine work and personal calendars - Business Hours - Time to Leave alerts - Custom travel modes - Departure buffer settings - 7-day free trial on the annual plan OnTimer works quietly in the background, automatically keeping you on time so you never have to think about setting alarms again. Stop relying on calendar reminders that disappear after a swipe. Download OnTimer today and never be late again. Some features require a paid subscription. Monthly and annual subscription options are available in the app. Pricing varies by region and is shown before purchase. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Ratings & Reviews

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Never be late again—now with Apple Calendar support and even easier onboarding. OnTimer now supports Apple Calendar, so you can connect Google, Microsoft, or Apple Calendar and automatically stay on time. What's new in 1.2.1 - Apple Calendar support - Faster calendar setup - Improved alarm reliability - Performance and stability improvements Never be late again.

Version Version 1.2.2 Build 42

The developer, Ethan Garr, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Identifiers
    • Usage Data

Privacy practices may vary based, for example, on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Provider
  • Ethan Garr
Size
  • 23.1 MB
Category
  • Productivity
Compatibility
Requires iOS 18.0 or later.
  • iPhone
    Requires iOS 18.0 or later.
  • Mac
    Requires macOS 15.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 2.0 or later.
Languages
  • English
Age Rating
4+
In-App Purchases
Yes
  • OnTimer Pro (Monthly) ₪17.90
  • OnTimer Pro (Yearly) ₪179.90
  • Learn More
Copyright
  • © 2026 Breakout Growth Labs, LLC.
  • Developer Website
  • Privacy Policy

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