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Space allows you to sync tasks across any number of devices using iCloud. This is great for privacy as your data is encrypted and not accessible to anyone. It also means you don’t need to create yet another account for Space, you don’t need to give me your email address, and even I as developer cannot see how you are using Space. Normally, you should not have to do anything special for syncing to work. If you are signed in with iCloud, it just works. However, occasionally folks run into issues. When you do, there are a number of things you can do to make sure you’re set up right. This article walks you through them.

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1. Check your iCloud accounts

It is crucial to understand that sync works through Apple iCloud, only. Being signed in to the same Apple Account on all devices that you would like to sync is a hard requirement. If you’re not signed into iCloud at all, Space will warn you in settings:

Not signed in to iCloud

Make sure that error goes away before proceeding, by signing in via iOS / MacOS Settings > iCloud. Once signed in on all your devices, also check your iCloud storage is not full. That will prevent syncing. And while you’re in your iCloud settings, pull up the list of applications that use iCloud for data storage. Check that list: Space should be in it, and its toggle should be ON.

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2. Check syncing status

When you open Space Settings (the General tab), you’ll see the sync status displayed. Healthy indicates everything is set up for sync and you should be good to go. If you see a Syncing status and its your first time launching the app on a new device, it might take a few minutes to finish syncing. Best to just keep the app open and lets it do its thing. Subsequent syncs will be much faster.

A sync in progress

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3. If syncing hangs

If for any of your devices you see that your sync status stays on syncing for an extended period, iCloud might have gotten stuck. This happens sometimes, especially when first syncing a new device. The best remedy that I’ve found is to quit Space on all your devices, and then open it on all of them. Then, leave them open and in the foreground for 5 minutes. That generally resolves the issue.

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4. Still having problems?

Send me an email and tell me the following:
  • please confirm you’ve followed the steps above
  • what was the first platform and version you used Space on? (for instance, iOS 18.2)
  • what platform are you now adding where sync is not working? (for instance, MacOS 26.1)
  • did sync work for you in the past?
  • are you using calendars? How many do you have enabled?
  • are you using repeating tasks?