PenPal: GLP-1 Shot Tracker

Injection Log, Weight & Doses

Only for iPhone

Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.

iPhone

Your shots, weight trends, and appointment report in one place. Earn badges as you go and keep tracking after your last injection. Your Shots. Your Progress. Your Next Appointment. PenPal helps people using Ozempic, Wegovy, Mounjaro, and Zepbound keep a clear record of their GLP-1 journey, during injections and after they stop. LESS TO REMEMBER, MORE TO BRING TO YOUR CARE TEAM - Log weight and injections directly from your dashboard - Create a PDF report of recorded doses and weight changes for your next appointment - Pick the last 30 days, last 90 days, all history, or your own dates - Preview before sharing; injection notes are included only when you choose - Export CSV files for your own records INJECTION TRACKING - Never miss a dose - Log injections with date, time, dose, and injection site - Smart reminders - Know exactly when your next injection is due - Rotation tracking - Keep track of injection sites (abdomen, thigh, upper arm, deltoid) - Dose progression - Follow the recommended escalation schedule for your medication BEYOND THE SCALE - Check in with appetite, energy, symptoms, and small wins during treatment and after stopping - Free seven-day wellbeing recap, editable history, and CSV export, with no streak to lose - Premium adds 30- and 90-day wellbeing recaps WEIGHT MANAGEMENT - Easy logging - Quick-entry buttons make logging your weight fast - Goal tracking - Set a target weight and timeframe, then watch your progress - Healthy rate guidance - Know if you're losing at a sustainable pace SMART INSIGHTS See what changed, with the evidence behind it: - Your weekly picture - Compare average weight with the previous week - Beyond the scale - Put appetite and energy changes beside your weight - Discover connections - Recurring links between appetite, energy, next-day weight changes, and injection cycles - Clear evidence - See how many days support each comparison; exploratory patterns show their limits and never recommend dose changes - Phase-aware observations - Insights adapt during treatment, after stopping, and when reviewing past journeys EARN BADGES AS YOU GO Your Trophy Case fills up from the records you already keep: - 28 badges for doses logged, days recorded, check-ins, personal wins, appointment reports, percent lost, goal milestones, and holding steady at the Summit - Every badge shows exactly what earns it, and how close you are - Share any badge as a card MEDICATION SCIENCE - Residual level chart - See estimated medication levels in your system over time - Half-life tracking - Semaglutide (7 days) and Tirzepatide (5 days) decay curves APPLE HEALTH INTEGRATION - Import weight from Apple Health automatically, and export weight entries back to Health - Sync height during onboarding for accurate BMI calculations ICLOUD SYNC - Secure backup and multi-device sync across iPhone, iPad, Mac, and Apple Vision Pro - Keep data local-only if you prefer WIDGETS - Next Injection countdown and Residual Level on your Home Screen and Lock Screen CUSTOMIZABLE DASHBOARD - Reorder, show, or hide cards so you only see what matters JOURNEY MANAGEMENT - Switched medications? Start a new journey while keeping your full history - Compare progress across treatments, and archive completed ones with reasons and notes KEEP TRACKING AFTER YOUR LAST INJECTION Summit helps you follow your weight after a journey ends: - See your weight trend relative to your Summit weight - Set your Hold-band and weigh-in reminder cadence PRIVACY FIRST - Your data stays on your device and in your personal iCloud account - We never see, collect, or share your health information - No ads, no analytics, no tracking GETTING STARTED PenPal is free to get started with your first 4 injections. Upgrade to Premium for unlimited tracking and full access to all features. Take a guided tour with demo data before entering your own information. PenPal is a tracking tool and does not provide medical advice. Always consult your healthcare provider about your treatment. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Ratings & Reviews

  • This app hasn’t received enough ratings or reviews to display an overview.

• Opens directly to the right screen from App Store events and links • Summit: keep tracking after your last injection, with your weight trend against your Summit weight, an adjustable Hold-band, and weigh-in reminders • Insights weekly overview: compare this week's weight, appetite, and energy with last week's, and explore recurring patterns in your records • Trophy Case: 28 badges earned from your doses, weigh-ins, check-ins, wins, reports and goal milestones, each shareable as a card • New badges celebrate on your dashboard and show how close the next one is • Clearer Premium plans: see what Annual saves, whether a free trial applies, and what stays free • Home Screen and Lock Screen widgets for your next injection and residual level • Preview the exact card before you share it • Daily wellbeing check-ins for treatment and life after your last injection • Free seven-day recaps, editable history, and wellbeing CSV export • Premium 30- and 90-day appetite and energy recaps • Log weight and injections directly from your dashboard • Create and preview appointment reports from Dashboard or Profile • Choose a date range and whether to include injection notes • Export complete dose histories across multiple PDF pages • Include Apple Health weight entries in PDF and CSV exports • Keep logging weight at Summit after reaching the free injection limit

Version 1.3.1

The developer, 敏 张, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • 敏 张
    Size
    • 11.7 MB
    Category
    • Health & Fitness
    Compatibility
    Requires iOS 26.2 or later.
    • iPhone
      Requires iOS 26.2 or later.
    • Mac
      Requires macOS 26.2 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 26.2 or later.
    Languages
    English and 32 more
    • English, Arabic, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Norwegian Bokmål, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Slovak, Spanish, Swedish, Thai, Traditional Chinese, Turkish, Ukrainian, Vietnamese
    Age Rating
    9+
    In-App Purchases
    Yes
    • PenPal Annual $29.99
    • PenPal Buddy Monthly $6.99
    • Learn More
    Copyright
    • © 2026 Peng Zhang
  • Developer Website
  • Privacy Policy

    • More by 敏 张

    You Might Also Like