Custody Schedule Planner: Paper, Excel, Shared Calendar, or App?
Four ways to keep a custody schedule, and they are not all equal depending on your situation. An honest comparison, including what each one costs when things get tense, and what none of them can do.
Publié le 9 août 2026
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Once the schedule is set, you need somewhere to keep it. The question sounds minor. It is not. Whatever tool you choose decides what gets written down, which decides what you will remember, which decides what you will argue about six months from now.
The paper calendar
A yearly calendar taped up in the kitchen, two marker colors. It is what most families do at first, and it is not a bad idea: it is immediate, free, visible to the kids, and it does not ask anyone to install anything.
What it cannot do is exist as two identical copies. There is a calendar at one parent's place and another at the other's, they drift apart the first time a swap does not get written down, and nobody knows which one is correct. It does not count anything either: after a year, you have to tally everything by hand to know how many nights each parent actually had.
The spreadsheet
The spreadsheet is the organized person's tool, and it is often the second step. One tab per year, one row per week, each parent's color in the corresponding cell, maybe a formula that counts the nights. It is powerful, it is free, and it gives the very satisfying feeling of having taken back control.
Three things kill it, almost always in this order:
- You have to fill it in. Every single night, including the ninety-five percent that went exactly as planned. It is this pointless work that makes people give up, usually after six to ten weeks.
- School holidays are not in it. You copy them in once, then forget the following year, then the official dates shift and the file quietly goes wrong without any error showing up.
- It only exists as one copy. Shared online, it becomes editable by both parents, and a spreadsheet that two people edit without a clear history is a source of conflict, not a solution. Sent by email, it immediately splits into two versions.
The shared calendar
A Google or Apple calendar shared between both parents, with a recurring event for each custody block. It is the best of the free compromises: both parents see the same thing, it lands on the phone, and recurring events do part of the work for you.
Its limits are real, but less of a dealbreaker than you might think:
- calendar recurrence rules cannot express a 2-2-3 or a 5-2-2-5 pattern: they repeat weekly, or every two weeks, not a sequence of varying stretches;
- a calendar does not count anything: it displays, it does not total up nights per parent and per child;
- sharing your calendar with your ex means giving them ongoing access to a personal account, which is not a small thing depending on the situation, and cannot be revoked without consequences.
The dedicated app
This is the category Nestido belongs to, and it is worth saying plainly: it is only worth using if it does the three things the other options do not.
- Predict instead of asking you to enter everything. You declare the schedule once, the coming months fill themselves in, and you only note the exceptions. That is the difference between a tool you still use three years later and a file abandoned by October.
- Show the same thing to both parents, at the same time, without either one depending on the other's goodwill to stay informed, and without sharing a personal account.
- Count. The actual split in nights, by child and by parent, over whatever period you want, without tallying anything by hand.
A quick side-by-side comparison
| Tool | Fills itself in | Seen by both parents | Counts nights | School holidays |
|---|---|---|---|---|
| Paper | no | no | no | by hand |
| Spreadsheet | no | with difficulty | with formulas | by hand |
| Shared calendar | partly | yes | no | by hand |
| Dedicated app | yes | yes | yes | imported |
What no tool can do
It is worth being clear about this, because it is sometimes expected of them wrongly. No schedule, however well kept, counts as legal proof or replaces a court order. None of them replaces a conversation either: a tool takes the factual questions off the table, it does not settle what is relational. And none of them makes an agreement hold that one parent never actually accepted.
What a good tool does do is keep invented disagreements from piling on top of the real ones. Over three years, that adds up to a lot.
Where to start
If you are just starting out, a shared calendar is an excellent first step, and it costs nothing. If you have already given up on a spreadsheet, if your schedule is not a simple weekly alternation, or if you need to know how many nights each parent has actually had, a dedicated app will save you time from the very first month.
Nestido is free for everything recent, and it stays that way. Creating an account does not require a card, and the second parent does not even need to create one for the schedule to work.
Read next: counting nights without turning it into a conflict and the odd and even week calendar.