The Best Meeting Reminder App for iPhone
Most calendar notifications are easy to ignore. OnTimer is a meeting reminder app that connects to your calendar and fires persistent alarms before every meeting — so you actually show up on time.
Free download • Works with Google Calendar and Outlook
Why calendar alerts fail
Standard calendar apps show a notification banner — then it disappears. You glance at it, think you have more time, and suddenly the meeting already started.
The problem isn't your calendar. It's that notifications aren't alarms. They're designed to inform you, not to make sure you actually act.
You swipe the reminder away.
You get distracted.
You think "I'll join in a minute."
Then suddenly the meeting started 10 minutes ago.
A proper meeting reminder app doesn't just notify you — it alarms you. And that's exactly what OnTimer does.
How OnTimer works
OnTimer is the OnTimer meeting alarm app that replaces passive notifications with alarms you can't miss.
- ✓Connects to Google Calendar and Microsoft Outlook
- ✓Triggers persistent alarms before every meeting
- ✓Customizable lead time — fire alarms 5, 10, or 30 minutes early
- ✓Works automatically with your existing calendar events
- ✓Built specifically for meetings, calls, and appointments
Once connected, OnTimer monitors your calendar and automatically schedules alarms for every event. No manual setup. No forgotten meetings.
Who OnTimer is for
OnTimer is built for anyone who relies on their calendar and can't afford to miss a meeting.
Professionals with busy schedules
Back-to-back meetings leave no room for error. OnTimer ensures every transition is covered.
Remote workers
Working from home means more distractions. OnTimer cuts through them with alarms you can't swipe away.
Salespeople
Missing a client call is costly. OnTimer makes sure you're ready before the phone rings.
Executives
High-stakes meetings require punctuality. OnTimer handles the timing so you can focus on the work.
People with ADHD or time blindness
Standard reminders are too easy to ignore. OnTimer's persistent alarms are designed to break through.
The problem OnTimer solves
Missing a meeting doesn't just waste time — it damages relationships, costs deals, and creates stress. Most people don't miss meetings because they don't care. They miss them because standard calendar reminders aren't designed to guarantee attention.
OnTimer solves this by turning every calendar event into a persistent alarm. When it fires, it stays on your screen until you dismiss it — the same way a morning alarm works. You won't just see it. You'll have to deal with it.
The result: you show up prepared, on time, every time.
Stop missing meetings.
Download OnTimer and let your calendar finally keep you on time.
Android version coming soon — join the waitlist.