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Tracker

Injection site tracker

Remembering which side you used last week is a surprisingly unreliable business, and it is the kind of thing that is trivial to record and irritating to reconstruct. Cafeity keeps a body map so the answer is a glance rather than a guess.

General wellness reference · 11 sections · about 850 words

A map, not a list

Each dose can carry a site, and the map shows recent history at a glance. It is a record of where you went, not a plan for where you should go next — Cafeity does not schedule rotation or tell you which site to use.

The distinction matters. Site selection is part of the technique you were taught when you were prescribed the medication, and an app that started making suggestions there would be substituting itself for that training.

Attached to the dose, not a separate log

The site sits on the dose record itself, so it travels with the date, the amount and everything else on the timeline, and appears in the Visit Summary if you tick that section.

Keeping it as a field rather than a separate feature is why it survives: there is no second thing to remember to open.

What it will not tell you

Nothing about the appearance of a site, whether a reaction is expected, or what to do about one. Anything on the skin that concerns you is a conversation with a clinician; the app has no ability to assess it and will not try.

The record can help that conversation by showing where and when — which is a genuinely useful contribution, and the limit of what a phone can honestly offer.

What the record holds

Every entry below sits on one timeline, so any of them can be read against where you were in the medication cycle when it happened.

  • Doses — date, time, the amount you were prescribed, and the medication as a plain label.
  • Injection site, on a body map, so rotation is visible rather than remembered.
  • Meals, with protein, fibre and hydration derived from what you logged.
  • Symptoms, in your words, with your own severity rating.
  • Weight and measurements, shown as a trend rather than a daily verdict.

Inside the app

Screenshots from Cafeity on iPhone. The app is on the App Store; screens change as it is updated.

Recording a dose — date, time, prescribed amount and injection site on one screen.
Recording a dose — date, time, prescribed amount and injection site on one screen.
This week — protein, energy, water, weight trend and symptom days, summarised.
This week — protein, energy, water, weight trend and symptom days, summarised.
The Visit Summary — a one-page, print-ready export built from a period you choose.
The Visit Summary — a one-page, print-ready export built from a period you choose.

Across every medication

This works the same way whichever medication you are on — the only thing that changes is the half-life behind the curve.

  • Semaglutide — once weekly, published half-life about 7 days (roughly 165 hours).
  • Tirzepatide — once weekly, published half-life about 5 days (roughly 117 hours).
  • Liraglutide — once daily, published half-life about 13 hours.
  • Dulaglutide — once weekly, published half-life about 4.7 days (roughly 112 hours).
  • Exenatide — twice daily, or weekly in the extended-release form, published half-life about 2.4 hours for the immediate-release form.

Where your data lives

On your device and in your own account, under per-record permissions. Health data is never stored in iCloud, never sold, never used for advertising, and never used as training data.

You can export everything in one file at any time, and you can delete the record entirely. When you want to bring something to an appointment, the Visit Summary builds a one-page, print-ready PDF from a period and the sections you choose — and nothing leaves the phone until you do that yourself.

What Cafeity will never do

  • Recommend, calculate or adjust a dose, or tell you when to take one.
  • Interpret a symptom, name a condition, or suggest what is causing something.
  • Predict how much weight you will lose, or when.
  • Set a calorie target below 1,200 kcal, or a weight goal below a BMI of 18.5.

Cafeity is a general wellness product. It does not diagnose, treat, cure, mitigate or prevent any disease or condition. Questions about your treatment belong with a licensed healthcare professional.

Common questions

Does the app tell me where to inject next?
No. It shows you where you have been. Site selection and technique are matters for the person who prescribed and trained you.
Can I add a site that is not on the map?
The map covers the commonly used regions, and a dose can carry a note if you need more detail.
Does site history appear in the Visit Summary?
Yes, if you include that section — you choose what goes in before it is generated.
Is any of this shared automatically?
No. Nothing leaves the device until you export it yourself.

Further reading

Cafeity is a record-keeping tool, not a drug reference. Anything clinical — what a medication is approved for, who should not take it, what to watch for, how it interacts with other medicines — belongs with the sources below and with your own prescriber.

External links open in a new tab. Cafeity is not affiliated with any of these organisations.