A body map you actually use
Most people remember they should rotate sites and then forget which side they used last week. Mello shows a simple body map with the usual areas, the abdomen, the thighs and the back of the arms, and marks each one as you log a dose. When the next injection comes up, the app points you to a spot you have not used recently instead of leaving you to dig through your memory.
Every dose tied to a site and a date
When you log a weekly dose in Mello, you also tag where you injected. That gives you a running history of site, date and amount in one timeline. If a particular area starts feeling sore or you notice a small lump, you can look back and see how often you have been hitting that spot, then steer your rotation away from it for a while.
Fewer lumps, less guesswork
Reusing the same patch of skin too often is what tends to cause the firm bumps some people get on a GLP-1. By spreading your shots across the available sites and keeping a visual record, you give each area time to recover. Mello does not change anything about your medication, it just makes the rotation habit easy to keep so irritation has less chance to build up.
Built into the rest of your routine
The site tracker is not a separate app you have to remember to open. It sits next to your food log, your dose history and your side-effect notes, so the whole GLP-1 routine lives in one place. You scan a meal, log the dose, pick the site and you are done, all from the same home screen.



Questions and answers
Does Mello tell me exactly where to inject?
Mello suggests an area you have not used recently based on your own log, like switching from one side of the abdomen to the other. It is a rotation aid, not medical instruction. Always follow the technique your prescriber or pharmacist showed you.
Is this a medical device?
No. Mello is a tracking app, not a medical device, and it does not give medical advice. It helps you record where and when you injected so you can rotate sites consistently and share a clear history with your clinician.
How much does Mello cost?
Mello is free to download with a 3-day free trial. After that it is 19.99 USD per month or 99.99 USD per year, billed through Apple or Google. The yearly plan works out cheaper for long-term tracking.