Everything Kidney Tracker can log

Kidney Tracker is built around one idea: recording a daily number should take a couple of seconds, and the app should do the totalling for you. There is no account and nothing is uploaded — everything you enter lives in a database on your own iPhone. Below is the full tour of what it records and the small extras that make logging effortless.

Fluid in and out

Log every drink and every output in millilitres. You can save the amounts you use most so a common drink is one tap. The Today screen keeps a live running total of intake and output, and shows your net balance against the fluid target you set yourself. A configurable day-start hour lets those daily totals line up with a clinic's 24-hour chart instead of resetting at midnight.

Weight

Record your weight as often as you like and watch it plotted over days and weeks. Seeing the line, rather than a column of numbers, makes a day-to-day change easy to notice and easy to talk through at an appointment.

Blood pressure

Note systolic and diastolic readings, and pulse if you take it. Each entry is timestamped and charted, so a series of readings becomes a simple trend you can scroll back through.

Medications and reminders

Keep a list of your medications and set local reminders so a dose is easy to remember. Reminders are scheduled as notifications on your device — nothing is sent through a server. You decide the times, and you can change them whenever your routine changes.

Blood results

Note down the blood-test results you want to keep — for example, the values your clinic reads back to you — and follow them over time on a chart. It is a tidy personal record of the numbers that matter to you, all in one place.

Charts and trends

Every metric you log can be viewed as a chart, so patterns are visible at a glance. History is browsable by day, and you can scroll back to any date to see exactly what was recorded.

Printable, shareable report

When you have an appointment coming up, turn your records into a clean report you can print or share. The report is generated on your device and goes only where you send it — the app keeps no copy and the developer never sees it.

Widget, Apple Watch and Siri

A Home-Screen widget shows today's running total without opening the app. An Apple Watch complication keeps that total on your watch face for a quick glance. And Siri lets you add a drink by voice when your hands are full or you're on the move.

Private by design

There is no account, no sign-up, no analytics and no advertising. Everything stays on your device, which means you are in control: deleting the app removes the data with it, so it is worth keeping your device backed up. You can read the full privacy policy for the details.

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.