Nobody except me knows what's happening on any given day.

Start with where the schedule physically is. Each team posts its schedule inside its own app, and that app is installed on one phone — usually whoever registered the kid. Some team apps allow only one parent account per family. Others allow two, but the second parent never installed it, or installed it and muted it the first week the team chat got going. Either way, the schedule exists in a place only one of you looks.

From there, everything is a relay. You read the app, you tell your partner, your partner remembers or doesn't. You write it on the fridge calendar, and the fridge calendar is right until the first change. The DCUM parent above described that too: “The fridge calendar is only maintained by me and our nanny but we are not the ones making the plans and moving things around so it's always out of date.” A relay is only as good as its worst afternoon, and the person holding the phone is the relay for every team, every change, every week.

That is also why this becomes a fight rather than a logistics problem. The parent with the apps is doing invisible work; the parent without them is operating on information that is always slightly stale. A reply in the same thread put the dynamic plainly: “You cant be in their brain so they need to find a way to get the information from their brain and into yours in a timely manner.” The honest version of the fix is to take the schedule out of anyone's brain entirely.

The instinct is to add the other parent to the team apps, and it's worth being honest about why that keeps failing. It is per app and per team: three kids on four platforms is four installs, four logins, and four sets of notifications that will be muted by October. Some apps won't allow a second parent account at all. And even when every install goes right, the other parent now has to open four apps to answer “is there practice tonight?” — which is the exact thing they were never going to do. So most households land on the compromise: one parent keeps it all on their phone and tells the other when necessary.

Three things actually work, and they stack:

1. One merged family calendar. Get every team's schedule out of its app — nearly every app publishes a calendar link — and into one place, with a color per kid. Now there is a single thing to share instead of four. If every kid is on a different app, the different-apps guide walks through collecting the links.
2. A read-only link that opens anywhere. The merged calendar gets a share page: a web page with no account, no password, no install. Your partner opens it in whatever browser is on whatever phone they have, and it shows the current schedule every time. They can't edit anything, which is a feature. The read-only sharing guide covers scoping it per person.
3. The same thing inside their own calendar. For the partner who lives in Google or Apple Calendar and will not open a link no matter how nicely it's sent, there is a Subscribe URL. Subscribed once, the kids' events are simply there, next to the 2:00 meeting, on the phone they already check. A Mumsnet parent described reaching that point with a shared calendar app — no more ringing each other to check what the plans are. That is the goal: not a better relay, no relay.

The reason this works where “share my Google Calendar” didn't is that nobody is maintaining it. The merged calendar is re-checked against every team app hourly, so the parent with the apps is no longer typing anything in, and the parent without them is no longer looking at a copy somebody made last Sunday.

Yes, and this is where the approach pays for itself, because the people who ask “what's happening Thursday?” are rarely the ones you'd hand a team-app login. The share link is the same for everyone: Grandma on her iPad, the sitter on an Android phone, the carpool parent from a text message. No one installs anything or creates an account, and no one can change anything. If a grandparent would rather have the games in their own calendar, the Subscribe URL works for them too.

You choose what each link shows. The grandparents who drive to Tuesday games get a page with just that kid's team; the co-parent gets the whole family calendar; the sitter gets the two weeks that matter. Each link is scoped to what you picked and shows nothing else from your account. Delete a link and it stops working the same minute. If the family runs a kitchen display, the Apple HomeView guide covers putting the same merged calendar on the wall, which is what finally answers the kids' “what do I have tomorrow?”