Everything you need in PenDose
PenDose is a native iPhone app for people on GLP-1 medications such as semaglutide or tirzepatide. It tracks weekly dose escalation schedules, logs injection sites and side effects, connects to HealthKit for weight and activity trends, and generates clean summaries ready for clinical review.
Weekly dose scheduling
Track your current dose, planned escalations, and protocol timeline with a clear weekly view.
Injection reminders and countdown
Set injection day reminders and see an exact countdown to your next scheduled dose.
Weight progress linked to dose
Chart weight over time alongside dose changes to see how your body is responding at each level.
Side effect tracking
Log nausea, fatigue, and GI symptoms by dose and timing to surface patterns over time.
Injection site rotation
Track rotation history across recommended sites to reduce local reactions and maintain best practice.
HealthKit integration
Pull weight, HRV, sleep, and activity data from Apple Health to complete the metabolic picture.
Physician-ready summaries
Generate a clean, structured progress report formatted for easy review at a clinical appointment.
How it works
Set up your protocol
Enter your starting dose, escalation schedule, and injection day so PenDose knows your exact timeline.
Log each injection
Record the dose given, injection site, and any symptoms right after each weekly injection.
Review your progress
Use the dashboard to track weight trends against dose history, review side effect patterns, and export a summary before your next appointment.