Calendar Event Reminder (CER)

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About this app

Calendar Event Reminder - CER

★★ IT'S BACK! ★★

We've listened to our customers' many requests and brought back one of the most popular reminder apps. Better than ever!

Never miss an important event, reminder, or moment again. CER brings your calendar reminders to life with clear, actionable alerts and full control over how and when you're notified.

✦ Smart Reminders for Every Calendar
· Works with your device's native calendar app and many third party calendar apps
· Set custom reminder intervals—minutes before or after events
· Configure all-day events exactly how you want
· Per-calendar settings for granular control
· Global settings for quick setup

✥ Total Control Over Alerts
· Multiple snooze options: tap a button, set an exact time, or choose custom durations
· 6 different alert styles: Classic Buttons, Colored Buttons, Sliders, or Circle
· Themes: Classic Holo, Material You (light/dark)
· Control alert backgrounds: transparent, home screen, or wallpaper

✤ Your Audio, Your Way
· Intelligent reminder sounds
· Text-to-Speech event announcements
· Play once or repeat sounds
· Increasing volume for important alerts
· Auto-adjust to quiet hours

✣ Your Device, Your Rules
· Wake your screen automatically on reminders
· Show alerts above or below the lock screen
· Unique vibration patterns
· Screen flash during alerts
· Flip or shake to snooze/dismiss
· Portrait or landscape orientation

✱ Built-In Quiet Modes
· Set quiet hours for meetings, sleep, or focus time
· Define apps that should bypass quiet mode
· Custom start/stop times
· Stay informed when it matters, silent when it doesn't

✿ Features That Matter
· Combined notifications for multiple alarms
· LED notification with customizable color
· Custom notification actions
· Import/export settings for easy backup
· Keep screen on during alerts

★ Trusted by Thousands ★
Created in 2012, CER has helped countless users never miss important dates, meetings, or moments. Rated for reliability and continuously improved based on user feedback.

★ Your Privacy, Protected ★
CER does not store, process, or transmit any personal data outside your device. All your calendar data stays exactly where it belongs—with you. No accounts required, no cloud sync, no tracking. Your schedule is yours alone.

Download CER today and transform how you manage your time!

Ratings and reviews

I had really enjoyed using this application. It had worked as promised, but that has changed. The pop up event reminder no longer works. I've sent two messages and it's been over a week, but I've not gotten a response. Please fix this so I don't have to uninstall this application. thanks UPDATE,,,The reminder is working again. Thanks update...the holidays are now off by 1 day. Christmas day 2018 is shown on Dec 24. Really like app but need help with this. Jan 18 update...still waiting for help.

Alarms at or close to 12pm do not go off if theyre set a few hours before 12pm. The rest of the alarms do go off.Also if i go in the app and make an alarm go off to snooze it before it goes off on its own,if an alarm is due at that time? It never goes off nor is listed in the notifications. This app has alarms organized by day. Its the best one other than that. Im on android 8. Please if you can, fix the alarm not going off issues.

Works inconsistently with Android 11. Great when it does work, but I have missed appointments because of it not working. Have uninstalled and re-installed, turned off power saver and other alerts from Google calendar and Samsung calendar but it is still inconsistent! Please check why not reliable with Android 11. Others with Android 11 are experiencing problems too!! I have seen similar posts here.

What’s new

- Block or allow reminders by title — silence alarms matching a pattern, or only get the ones that match, using wildcards or full regular expressions.
- A notification now stays visible while an alarm is ringing, so you can always tap back to it if it ends up in the background.
- Get notified when a new update brings features worth knowing about — toggle it off anytime in Compatibility Settings.