Now in beta · iPhone

Keep your fluid, meds and vitals
in one private place

Kidney Tracker logs fluid in and out, weight, blood pressure, medications and blood results — and keeps a running total against the target you set. Charts, a printable report, and everything stored on your device.

Join the beta on TestFlight See features

iPhone · Free during beta · No account, no tracking

Kidney Tracker Today screen showing fluid in, fluid out and net total against a daily target
Logging a drink in Kidney Tracker with a quick amount picker
Trends chart in Kidney Tracker showing fluid balance over time
Printable report in Kidney Tracker ready to share with your clinical team

What it does

One simple log for the numbers you're asked to track

If your clinical team has asked you to keep an eye on fluids, weight, blood pressure or medications, Kidney Tracker gives you a fast, tidy place to record them — and adds everything up for you.

Fluid in & out

Log every drink and every output in millilitres. The Today screen keeps a running total and shows your net balance against the target you set.

Weight & blood pressure

Record daily weight and BP readings in seconds. See them plotted over days and weeks so a trend is easy to spot at a glance.

Medications & reminders

Keep a list of your medications and set local reminders so a dose is easy to remember. Notifications stay on your device.

Blood results

Note down the blood-test results you want to keep, such as those your clinic reads back to you, and watch them over time.

Printable report

Turn your records into a clean report you can print or share — handy to bring to an appointment. It is made on your device and goes only where you send it.

Private by design

No account, no sign-up, no analytics and no tracking. Everything you enter stays in a database on your own device.

Blood results screen in Kidney Tracker plotting a value over several weeks

Your data, your phone

No account. Nothing uploaded. Nothing tracked.

Health notes are personal, so Kidney Tracker keeps them on your device. There is no sign-up and no cloud account — the app holds no copy of your records and there is no analytics or advertising of any kind. Because everything lives on your phone, you stay in control: deleting the app removes the data with it, so it is worth keeping your device backed up.

Use cases

Built for kidney patients — works for anyone asked to track fluids or vitals

Kidney Tracker started as a fluid and vitals log for kidney care, but the same simple tracking helps with many situations where a daily number matters.

Kidney transplantFluids, weight, BP and meds in early recovery. DialysisFluid tracking overview for dialysis. HaemodialysisInterdialytic weight gain and fluid limits. Peritoneal dialysisLogging PD fluid balance day to day. Chronic kidney diseaseEveryday tracking for CKD. Fluid restrictionStaying within a daily fluid limit. Fluid balance chartA digital input/output chart. Fluid intake trackerGeneric intake & output logging. Heart failureDaily weight and fluid tracking. Liver diseaseFluid and weight tracking. After surgeryFluid monitoring at home. Weight trackingA simple daily weight log. Blood pressure logRecord and chart BP readings. Medication remindersTrack meds and set reminders.

Beyond the basics

Quick to log, wherever you are

Small touches that make recording a number take a second, not a chore.

Home-Screen widget

See today's running total at a glance without opening the app.

Apple Watch complication

Keep today's fluid total on your watch face and glance down to check.

Siri quick-log

Add a drink by voice when your hands are full or you're on the move.

Kidney Tracker is a personal record-keeping tool. It is not a medical device and does not provide medical advice — always follow your own clinical team.

Try Kidney Tracker on your iPhone

The app is in beta and free to try. Join through TestFlight and start logging in minutes — no account needed.

Join the beta on TestFlight

iPhone only for now · Free during beta