CareDuo is coming to the App Store and requires an iPhone running iOS 18 or later. The product site at careduo.app carries the full feature detail, the walkthrough, and the FAQ.
The problem
Asking a parent every evening whether they took their tablets wears both people down. One feels watched, the other feels like a nag, and the answer arrives as recall rather than fact. The exchange happens daily, it strains the relationship, and it still leaves the person asking without a reliable answer.
CareDuo moves that exchange off the phone call and into a single tap. Nobody has to ask, and nobody has to be asked.
How the daily loop works
Almost everything in CareDuo exists to support four moments that repeat each day. The rest is setup, and setup happens once.
A reminder arrives on time
Notifications are scheduled on the device by iOS, so they fire whether or not there is a signal. "Every day at 08:00" means 08:00 where the person actually is, through daylight saving and across time zones.
One tap confirms it
Taken or Skip, straight from the notification. The time recorded is the moment they tapped, not the moment the phone found a network.
The other person sees it
Their day updates immediately and silently. Nothing is inferred: an empty slot stays empty until somebody acts on it, so the record never invents a dose.
A missed dose speaks up
When a dose passes unanswered, the caregiver is notified with the person and the time of day, never the medication, because a lock screen is visible to whoever is in the room.
History and adherence
Every dose in order, with the week's adherence counted honestly, so an evening dose still pending is not scored as a failure at breakfast.
Refill tracking
A count that runs down as doses are confirmed, so the bottle running out is something you know about in advance rather than on the day.
Who it is for
- Adult children checking on a parent without turning every call into an interrogation.
- Partners sharing one routine between two people in the same house.
- Family caregivers coordinating care for a relative across a distance.
- People living alone who want somebody to know, without giving up their independence.
What the other person can see
Sharing a medication routine is a real disclosure, so the answer is a specific list rather than a reassurance. Someone invited into a Care Circle can see the medications in that circle, whether each dose was taken, skipped, or missed and when it was confirmed, and the resulting history and adherence figure.
They cannot see location or movement, whether the phone has been used, messages, calls, photos, contacts, any other app, or anything at all outside the circle they were invited to. CareDuo is a care app rather than a monitoring app, and the distinction is that the person being cared for chooses, and can un-choose.
Nobody joins silently
Access starts with an invitation the other person accepts on their own device. Opening the link does not accept it: the acceptance screen states what is being shared first.
Invitations expire on purpose
Codes are single use, expire after a few days, are stored hashed, and are rate-limited against repeated attempts, so a forwarded message never becomes a permanent way in.
Permissions enforced server-side
The app shows a limited view and the server independently enforces it. That is the difference between a permission and a suggestion.
Missed is never guessed
Only the server records a dose as missed, and it never overwrites a dose somebody confirmed, so a device with a wrong clock cannot quietly log a failure that did not happen.
CareDuo is a reminder and communication tool for a person and someone who helps them. It is not a medical device, it does not provide medical advice, diagnosis, or treatment, and it is not intended to replace direct contact with a healthcare professional.
Where it stands
How it relates to Doseline
CareDuo and Doseline answer the same question for different people. CareDuo is for a household: one person taking medication and one person who worries. Doseline is for a care team: a prescriber, a pharmacist, and a caseload of patients. The products are separate, and neither shares data with the other.
See the whole thing at careduo.app.
The product site has the walkthrough, the feature detail, the privacy specifics, and the FAQ. If you want to hear when it reaches the App Store, that is the place to say so.