One Calendar app not working? crashes or has problems?

One Calendar Status

Last Updated on 2024-07-17 by Code Spark

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24 User reports:
App has problems

User reports 24

⚠️ Most reported problems ⚠️

Account

28.0%

Not working

28.0%

Connection

20.0%

12.0%

problems reported in the last 24 hours

24 hour clock ⏰

Summary of One Calendar Problems 😠👌🔥

-Premium deal for event colors

-Subscribed .ics calendars don't show double-booked slots

-Front page of the calendar only shows the number one

1 Reported Issues: 😵🆘🛟🚨📢

Dana

2023-01-29

Today I purchased One Calendar Premium from the Microsoft Store. It works great on my PC, but my Android is not loading the license. Please advise. Thanks

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Common One Calendar Problems & Solutions. Troubleshooting Guide

Complete guide to troubleshoot One Calendar app on iOS and Android devices. Solve all One Calendar app problems, errors, connection issues, installation problems and crashes.

Table of Contents:

One Calendar iPhone Issues and Solutions

One Calendar iOS app crashes, not working, errors
One Calendar iOS app network issues
One Calendar on iOS has black/white screen

One Calendar Android App Issues and Solutions

One Calendar has errors/crashing/not working
One Calendar server network connectivity issues
One Calendar has black screen

One Calendar iPhone Issues and Solutions

Here are some helpful workarounds that should work whenever One Calendar app keeps crashing or doesn't work as expected on your iPhone 14, 13,12,10,8,7,6, SE,XS,XR.

How to fix One Calendar app crashes or not working on Iphone (iOS):

Close and restart the One Calendar app on iPhone
Update One Calendar app to the Latest Version for iOS
Uninstall and reinstall One Calendar iPhone app
Update your iPhone to the latest iOS version

Fix One Calendar on iPhone unable to connect to server/internet connection issues::

To resolve One Calendar network issues, Reset phone network settings:
1. On iphone, Goto "Settings" » "General" » "Reset" » "Reset Network Settings".
2. Enter your device passcode. Then confirm "Reset Network Settings".

Turn off your VPN:
1. Goto "Settings" » "General" » "VPN".

Fix One Calendar black/white screen (blank screen) on iPhone:

Follow the One Calendar iOS app troubleshooting guide Here →

One Calendar Android App Issues and Solutions

Fix One Calendar not working on Android, crashes, errors or is unresponsive:

Follow these steps to resolve intermittent One Calendar app issues:

Force Stop the One Calendar App
1. On android, goto "Settings" » click One Calendar app. » click "Force Stop".

Update One Calendar to the latest version on PlayStore

Clear One Calendar App Cache and Data:
1. On your device, goto "Settings" » click "Apps" » select "One Calendar app" » click "Storage" » click "Clear Data" option. This Clears both data and cache.
2. Relaunch One Calendar.

Fix One Calendar unable to contact server/ One Calendar internet connection errors on Android:

This issue is usually caused by your network. Here is how to fix:

On android, goto "Settings" » "Apps" or "Manage Apps" tab.
Click One Calendar » "Force Stop".
Next, goto "Storage" » "Clear Data".
Again, got One Calendar » "Mobile Data" » "Allow Background Data Usage".
Go back to "Settings" » "Connections" » "Mobile Network" » "Network Mode".
Now, put your network on 4G e.g. LTE/3G/2G (auto connect)
Relaunch One Calendar on android.

Solve One Calendar black/white screens issue on Android:

Follow the One Calendar android app crash troubleshooting guide Here →

Contact Support

Some issues cannot be easily resolved through online tutorials or self help. So we made it easy to get in contact with the support team at Code Spark, developers of One Calendar.

About this app

The most popular app to view all your calendars like Google, Live, Outlook, iCloud, Exchange, Office365, Yahoo, Nextcloud, Synology, GMX, Mailbox. org, ownCloud and more. this app integrates all your calendars into an easy-to-read overview. View and manage all your appointments, events and birthdays.