Best GLP-1 Tracker Apps in 2026

What a GLP-1 tracker actually has to do

General weight-loss and calorie apps were not designed around a weekly injection. They will happily record your weight, and that is roughly where their usefulness ends for this.

GLP-1 treatment has a specific shape: a weekly dose, a titration schedule that steps up over months, side effects clustered around injection days, injection sites that need rotating, and appointments where all of it has to be summarised quickly. A tracker built for this handles that shape. One that is not built for it leaves you keeping the important parts somewhere else.

The features that separate them

Dose and shot logging. The base capability: which dose, which day, which site. If logging a shot takes more than a few seconds, adherence to the log decays within a month.

Side effect logging with severity. Free-text notes are better than nothing, but a consistent severity scale is what makes two weeks comparable.

Correlation between the two. This is the real dividing line. Plenty of apps will store doses and store symptoms; far fewer will show you a symptom pattern laid against your dose schedule. Storage is not insight.

Injection site rotation. Tracking where the last several shots went, ideally suggesting the next site. Easy to do badly, genuinely useful when done well.

Titration planning. Somewhere to record the dose schedule your provider set and see where you are in it.

Export. A clean PDF or data file for appointments. An app that holds your history but will not hand it back is a liability, not a tool.

Weight trend, not weight readings. Daily weight is noisy. A trend line is the honest version.

The question most comparisons skip

This is health data — medication, dose, body weight, symptoms. It deserves a harder look than a to-do list app would get.

Worth checking before you commit months of records to anything:

• Does the data live on your device, or on someone's server by default?
• Is an account required, or optional?
• What does the privacy policy actually say about sharing with third parties?
• Can you export everything and leave?

An app that is free because you are the product is a different proposition when the product is your prescription history.

How to choose

Start from what you keep failing to do. If you cannot remember injection sites, rotation tracking is the feature that matters. If your appointments feel rushed and unproductive, prioritise export. If you are early in titration and side effects are the daily reality, correlation is worth more than anything else on the list.

Then apply the practical test: log a shot. If it is slow or awkward on day one, it will not be happening on week twelve — and a tracker you have stopped updating is worse than no tracker, because you will trust it anyway.

Where Gleva fits

Gleva is being built specifically around the correlation problem — connecting dose, side effects, weight and food so the pattern is visible rather than merely recorded. It is in development and not yet released; the waitlist is on the homepage.

We would rather tell you that plainly than list ourselves above shipping apps in a roundup we wrote.