Caasi Download

Apps

Baby tracker app for both parents: how to share one log in real time

By Rayane, dad and creator of Caasi · Published · 5 min read

A baby tracker app for both parents is one log for the two of you: when one parent logs a bottle, the other sees it on their phone without having to ask. Most baby trackers offer some way to share, but they don't all do it the same way, and you feel the difference at 3 AM.

Why share baby tracking with your partner?

In the first weeks, the same question comes up ten times a day: "when did the baby last eat?" A shared log answers it without waking anyone up. It also helps with:

  • night handoffs: whoever takes the next shift knows when the last bottle was and which side the last feeding ended on;
  • doses that should only happen once: vitamin D drops or a medicine given twice by two parents who didn't cross paths is the classic trap;
  • the mental load: the information no longer lives in one parent's head, it's on both phones;
  • pediatrician visits: both parents have the same history to show, whoever goes to the appointment.

What should a shared baby tracker do?

Sync in real time

An entry logged on one phone should show up on the other within seconds, without pulling to refresh. That's what lets the app really replace "did she eat?"

Work offline

A nursery at the far end of the house, a hospital room with no signal, airplane mode at night: entries should be saved on the phone first, then synced as soon as you're back online.

Make inviting the other parent simple

A code or a link is enough. It helps when the app doesn't impose roles ("mom", "dad"): a family can have two moms, two dads, or one parent who'll invite someone later.

Share ongoing sessions

A nap started on one phone should be able to end on the other, and the same goes for a nursing timer. Otherwise, whoever gets home doesn't know the baby has been asleep for 40 minutes.

Show who logged what, without keeping score

Knowing who gave the last bottle is useful. A chart of "who does the most" much less so, and it can put a strain on two sleep-deprived parents.

Shared reminders

A reminder checked off by one parent should be checked off for the other. That's what prevents a double dose of vitamin D.

Which baby tracker apps can both parents share?

Most of the popular baby trackers on the US App Store let two parents share, but not in the same way. From their App Store listings and their developers' websites, verified on October 20, 2026:

AppHow sharing worksiPhone and Android
CaasiEach parent signs in, then joins the family with a code; real-time sync, shared ongoing sessions and remindersiPhone
HuckleberryBoth parents sign in to the same account; no invitationYes
Baby Tracker (Nighp)A sync group: the same email and password on every deviceYes
Sprout BabyReal-time family sharing across devicesYes
Nara BabyInvite partners, grandparents and caregivers to the accountYes
Glow BabyInvite your partner by emailYes
ParentLoveUnlimited private invitation links, real-time sync, access set per child and per featureYes
Baby ConnectInstant sync with family, nannies and daycareYes, and on the web
Baby DaybookFamily sync between linked caregiversYes
NapperShare your baby with as many caregivers as neededYes
TalliUnlimited caregivers, each on their own phone, in real timeYes

Signing in to one shared account is the simplest setup: both phones then use the same login. To compare the other features (pumping, milk stash, sleep, starting solids), see the best baby tracker apps.

How do you split baby tracking between two parents?

  1. One app, installed by both of you. One parent on paper while the other uses an app means two logs that never talk to each other.
  2. Log right away, phone next to the bottle. An entry put off until morning is an entry forgotten.
  3. Check before you act: before giving vitamin D or offering a bottle, glance at the log.
  4. Decide together what you track. You don't need to log everything: bottles and diapers in the first weeks, then whatever actually helps you.

Frequently asked questions

Do both parents need an account to share a baby tracker?

It depends on the app. Huckleberry has both parents sign in to the same account, Baby Tracker uses one shared sync group login, and apps like ParentLove or Nara Baby send invitations. In Caasi, each parent signs in with Apple or Google, then joins the family with a code.

Can an iPhone and an Android phone share the same baby log?

With some apps, yes: Huckleberry, Baby Tracker, Sprout Baby, Nara Baby, Glow Baby, ParentLove, Baby Connect, Baby Daybook and Napper all exist on both. Caasi is on iPhone only for now; an Android version is planned, with no date yet.

Can two parents share Huckleberry?

Yes. Huckleberry's help center says to sign in with your account on your partner's phone: both phones then use the same account, and syncing needs an internet connection on both. There's no invitation for a second parent.

Can the other parent edit what I logged?

In Caasi, yes: either of you can fix an entry, and the latest edit wins on both phones. Each entry keeps the name of the parent who logged it.

Sources

US App Store listings and developers' websites, verified on October 20, 2026:

Keep reading

Apps The best baby tracker apps in 2026, compared Caasi, Huckleberry, Baby Tracker, Sprout, Nara, ParentLove: 10 baby tracker apps compared on sharing between parents, milk stash and starting solids. October 20, 2026 Breast milk How much breast milk to store before going back to work When to start pumping, how much milk to freeze, how to store it, and your right to pump at work under the PUMP Act and the FLSA. October 20, 2026 Breast milk Breast milk storage guidelines: how long pumped milk lasts at room temperature, in the fridge and in the freezer Pumped breast milk keeps up to 4 hours at room temperature, 4 days in the fridge and 6 to 12 months in the freezer. The CDC guidelines, situation by situation. October 20, 2026