
Caasi: Shared Baby Tracker
Feeds, naps, breast milk stash
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Free
In-App Purchases
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About
Caasi is the baby tracker both parents actually share. Nursing, bottles, pumping, your breast milk stash, sleep, diapers and first solids, live on two phones at once. Calm, clear, no judgment.
YOUR BREAST MILK STASH, FINALLY UNDER CONTROL
Every pumping session becomes a numbered batch. Write the number on the bag and Caasi keeps track of how fresh it is, in the fridge and in the freezer. Thawed a batch? Its deadline recalculates on its own. Poured a bottle? The stash updates. And because everything syncs between your two phones, the other parent knows which bag to pull without having to ask.
TWO PHONES, ONE BABY
One household, two phones: whatever one of you logs shows up on the other side right away. A nap started by one of you ends on the other's phone. Shared reminders (vitamin D and the rest) get checked off on one side and cancel themselves on the other: no more double dose. No signal? Everything saves on the phone and syncs when you are back. Two moms, two dads, or one parent doing it alone: Caasi hands out no roles.
THE WHOLE DAY, ONE TAP AT A TIME
• Bottle at the last volume you gave, in one tap
• Nursing timed side by side
• Pumping timed, with one session split across several batches
• Naps with a start time you can move
• Diapers, weight and height
• A log you can fix forever: a wrong time takes two taps to repair
FIRST SOLIDS
Starting solids, one food at a time: more than 100 illustrated foods, the amount if you want it, what your baby made of it, and any reaction. Allergens follow week after week, and the list of foods already tasted goes to daycare in a tap.
WHAT THE WEEKS ADD UP TO
Sleep, bottles, nursing and diapers turn into plain curves over days and weeks. No prediction, no score: what actually happened, so you can watch a rhythm settle in on its own.
NO JUDGMENT
No reference curves, no percentiles, no "your baby should be": your baby is only ever compared to themselves.
YOUR DATA IS YOURS
Stored in Europe, under GDPR. Zero ads, zero resale, zero hidden scoreboard of who does more. Full JSON export and permanent account deletion, each one tap away in Settings.
BOTH PARENTS INCLUDED, PICK YOUR PLAN
Start with 3 days to find out, with nothing to pay. After that, one plan unlocks the whole household: monthly, yearly, or a single payment that lasts for life. Both subscriptions start with 7 days free and can be canceled any time from your Apple account. Where others bill each parent, Caasi includes both at no extra cost. And even with no plan at all, reading and exporting your data stay free for life.
Caasi. Your baby's day, shared.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://caasi.app/privacy/
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What's New in Caasi
2.2.0
October 29, 2026
Caasi now speaks English The app comes in American English alongside French. It picks up your iPhone's language the first time you open it, and you can switch whenever you like in Settings, under "Language and units". Your household, your entries and your reminders stay exactly where they are. Units that follow where you live Milliliters or ounces, kilos or pounds, centimeters or inches: Caasi follows the region set on your iPhone. And if that is not the choice you want, metric and imperial are a tap away in the same place.
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Subscriptions & In-App Purchases
Caasi Monthly
Caasi Full, for both parents
$8.991 Month
7 Days trial






