Zepbound® tracker app for pens, vials and weight loss
Panda is a Zepbound® (tirzepatide) tracker app for iPhone and Android. Log your weekly pen or vial dose in one tap, rotate injection sites, track side effects by day and follow your weight-loss progress with protein, strength and private progress photos.
3-day free trial on Yearly · never suggests a dose




Zepbound tracking, made simple
Everything you need for a once-weekly tirzepatide routine, in one calm app.

Weekly shot reminder
A nudge on your Zepbound day, at the time you choose, with log-from-notification.

Dose-step history
Every tirzepatide dose step your prescriber sets, shown next to your weight on one chart.

Injection-site rotation
Belly, thigh and upper-arm sites, with the next site suggested for you.

Side effects by day
See when nausea, fatigue or constipation peak in the days after each Zepbound dose.

Protein and strength
Protein targets and 15-minute strength sessions to help protect your muscle.

Pens, vials and supply
Track pens or vials separately, see what’s left and get a refill alert before you run out.
Zepbound® at a glance
Quick facts to help you understand your treatment. Always follow your prescriber and the leaflet in your pack.
- Generic name
- Tirzepatide
- Made by
- Eli Lilly
- Form
- Single-dose pen or single-dose vial
- How it’s taken
- Once-weekly injection under the skin, with a single-dose pen or a single-dose vial and syringe
- Approved for
- Long-term weight management in adults with obesity, or overweight with a weight-related condition, and moderate-to-severe obstructive sleep apnea in adults with obesity (US).
- Your dose
- Set and changed only by your prescriber
- Sources
- US FDA prescribing information and the patient leaflet in your pack


Also tracks your other medicines
Tracking Zepbound®, answered
How do I track Zepbound® vials and pens?
Add Zepbound in Panda and choose pen or vial. Enter the details exactly as your prescriber or pharmacist gave them. Panda reminds you weekly and tracks your supply.
Can Panda track my weight loss on Zepbound?
Yes. Weight, waist and private progress photos sit next to your dose steps, protein and activity on one progress view.
Does Panda calculate how much to draw from a Zepbound vial?
No. Panda never calculates doses or volumes. Follow the instructions from your prescriber, pharmacist and the medicine leaflet.
Can I switch from Mounjaro® to Zepbound® in the app?
Yes. Change your medicine in Settings and Panda keeps your full history on one timeline.
Mounjaro® and Zepbound® are registered trademarks of Eli Lilly and Company. Panda is not affiliated with or endorsed by Eli Lilly.
Start your 3-day free trial
Download Panda, choose the Yearly plan and try everything free for 3 days. Cancel any time in your App Store or Google Play settings.
