GLP-1 companion

Your therapy, completely in view.

Track doses, injection sites, weight and how you feel. Private by design: no account, no cloud. Pay once, keep it forever.

Coming soon to the App Store

For iPhone. Available in English and German.

Nerra GLP-1 tracker dashboard on iPhone showing the next shot day, a logged dose with its injection site and a nausea, appetite and energy check-in (sample data)

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0Ads or trackers

1×Payment, no subscription

Features

Everything you need between doses

Never miss a dose

Reminders, a next-dose date and a gentle follow-up reminder, all on your device.

Dose calendar

See every dose you logged and the days you planned, all in one calendar.

Injection sites

Rotate sites easily and get a warning before you log a duplicate dose.

Weight & measurements

Track weight and body measurements and watch your progress over time.

Daily check-ins

Log nausea, appetite and energy to spot patterns after dose changes.

Doctor report

Export a clean PDF of your doses and progress for your next appointment.

Screens

Calm, clear and yours

Nerra Today screen on iPhone with the weekly shot countdown, the last dose with its injection site and daily check-in ratings (sample data) — Today

Nerra medications screen with filters for Mounjaro, Wegovy and Ozempic and a weekly pen card showing the dose you entered (sample data) — Medications

Nerra progress screen with a weight line chart from July to October and a list of weight entries (sample data) — Progress

Free & Lifetime

Start free. Unlock once.

Everything needed to take a dose safely is free. Nerra Lifetime is a single one-time purchase, with no subscription, that unlocks the rest.

Feature	Free	Lifetime
Dose logging, reminders & next dose	✓	✓
Injection site rotation & duplicate warning	✓	✓
Dose history & weight entries	✓	✓
Data export	✓	✓
Dose calendar	–	✓
Daily check-ins & goals	–	✓
Progress charts	–	✓
Body measurements	–	✓
Doctor report as PDF	–	✓

Free guides

Straight from the labels

Injection sites, dose charts and missed dose rules for Ozempic, Wegovy, Mounjaro and Zepbound, each linked to the manufacturer's prescribing information.

Injection site planner

Where to inject and a free 12-week rotation plan you can print.

Missed dose checker

What each label says if you miss a weekly dose.

Tirzepatide dose chart

Mounjaro and Zepbound label doses, cited.

Semaglutide dose chart

Ozempic label doses and timing rules.

Wegovy dosing schedule

Injection and tablet schedules from the label.

About Nerra

Facts, price model and what Nerra will never do.

Private by design

Your doses, weight and check-ins never leave your iPhone.

Read the privacy policy

Nerra is not a medical device and does not provide medical advice. You always enter the dose your prescriber gave you; Nerra never calculates or suggests one. Always follow your prescriber's instructions. Nerra is not affiliated with any medication manufacturer.