Comparison

DosePen vs GLP

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

DosePen

Features
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Track your GLP-1 weight loss journey simply and visually. DosePen is the most intuitive tracker for people taking medications like semaglutide, tirzepatide, or liraglutide for weight loss. Log doses, track your weight, and monitor side effects. All in one place, all on your phone, no account or internet needed. INJECTION SITE BODY MAP Tap the exact injection site on a visual body map. See where your last dose was, when each site was last used, and get automatic rotation suggestions to avoid lipodystrophy. 10 injection points with full history. QUICK DOSE LOGGING Log a dose in under 15 seconds. Select your medication, tap the dose, choose the site on the body map, and done. No long forms, no unnecessary fields. The app remembers your usual dose and suggests the next site. PROGRESS CHARTS Visualize your weight loss with clear, intuitive charts. See weekly trends, track your progress over time, and compare against your goal. Beautiful charts built with Swift Charts. SIDE EFFECTS Log nausea, fatigue, headache, dizziness, constipation, and other common GLP-1 symptoms with severity levels (mild, moderate, severe). See correlations between dose changes and side effect onset over time. PROGRESS PHOTOS Capture progress photos and compare your transformation side by side. Visual timeline gallery showing your journey alongside weight data. SMART DASHBOARD Your dashboard adapts to your day. Shows when it's dose day, whether you've logged, if you missed a dose, and how long until the next one. Clear information without confusion. DOCTOR REPORT Export a professional PDF with your complete dose, weight, and side effect history to show at your next appointment. Organized, easy-to-read data. REMINDERS Set reminders for injection day. Local notifications, no server, no delay. COMPATIBLE WITH MAJOR GLP-1 MEDICATIONS Works with semaglutide (including brands like Ozempic and Wegovy), tirzepatide (Mounjaro), liraglutide (Saxenda), and more. Supports both injectable pen and oral tablet medications. PERSONALIZE YOUR TRACKER Choose from 4 beautiful themes. Teal (free) plus Lavender, Steel, and Midnight with Premium. Each with a matching alternate app icon for your Home Screen. Your tracker, your style. BUILT FOR iPHONE Native iOS app with SwiftUI, Swift Charts, and on-device SwiftData storage. Fast, responsive, and fully offline. No account required. TOTAL PRIVACY All your data stays on your phone only. No account, no server, no health data sent anywhere. What happens in the app, stays in the app. PAY ONCE, USE FOREVER While other apps charge annual subscriptions, DosePen offers lifetime premium access for a fraction of the price. Start free with unlimited dose logging. Unlock premium when you're ready, no recurring commitment. FREE: โ€ข Unlimited dose logging โ€ข Weight logging (7 days) โ€ข Basic dashboard with next dose โ€ข Injection reminders โ€ข Body map (current site) PREMIUM (LIFETIME): โ€ข Unlimited full history โ€ข Trend charts โ€ข Insights and correlations โ€ข Side effect trends โ€ข Body map history + rotation suggestions โ€ข Progress photos + comparison โ€ข Export PDF for doctor MEDICAL DISCLAIMER This app is for personal tracking and does not provide medical advice. It is not intended to diagnose, treat, cure, or prevent any disease. Always follow your doctor's guidance. Medical Disclaimer: https://canetinhas.s3.eu-west-2.amazonaws.com/legal/disclaimer-en.html Privacy Policy: https://canetinhas.s3.eu-west-2.amazonaws.com/legal/privacy-policy-en.html Terms of Use (EULA): https://canetinhas.s3.eu-west-2.amazonaws.com/legal/terms-of-use-en.html

About

GLP

Features
Read full description

Track GLP-1 injections, dose records and weight progress with Ozempre. Keep a personal record of your routine to review between appointments. Build your record Log injection dates, dose details, injection sites, symptoms and personal notes. Set reminders and review your calendar to keep past entries easy to find. Review your progress Follow weight trends and record nutrition and hydration. Home Screen shortcuts open progress and calendar views without placing private health values in shortcut labels. Prepare for a conversation Create a report for a selected period and share it as a CSV file. Weight values in the export are explicitly labeled with their stored unit. Choose when and with whom to share your file. Clear purchase options Premium monthly and annual plans use prices supplied by the store. Review renewal details before purchase and restore an existing purchase from the paywall. A personal tracking tool Ozempre does not provide medical advice, recommend a dose or replace professional care. Follow the treatment instructions given by your clinician or pharmacist.

Screenshots

DosePen4 screens
GLP4 screens

Verdict

The call

The clearest difference is update cadence: DosePen at weekly against GLP's every 3 months. GLP's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. DosePen sells 2 in-app purchases, starting at $5.99 per 7 days and GLP sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

DosePen ships an update weekly, GLP every 3 months. The most recent releases landed on October 28, 2026 and October 20, 2026 respectively.

Scorecard3 real differences ยท 3 level
DosePen versus GLP: the parameters behind the verdict, then further details
ParameterDosePenGLP
PriceFreeFree
Update frequencyWeekly โ€” betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad, iPod โ€” better
Requires iOS17.015.1 โ€” better
Further details โ€” not scored
Size19 MB37 MB
Age rating4+4+
DeveloperFAT FIRE APPSODEL DEV LLC

In-app purchases

2 purchases

DosePen

Subscriptions1
  • DosePen Weekly Premium3 Days trial$5.997 Days
One-time1
  • DosePen Premium$29.99
2 purchases

GLP

Subscriptions2
  • Ozempre Premium Monthly$9.991 Month
  • Ozempre Premium (Yearly)3 Days trial$59.991 Year

Questions

Is DosePen free?
DosePen is free to download, with in-app purchases available.
Is GLP free?
GLP is free to download, with in-app purchases available.
Do DosePen or GLP have ads?
Neither DosePen nor GLP shows ads.
Which is updated more often, DosePen or GLP?
DosePen ships an update weekly, and GLP every 3 months. Most recently, DosePen was updated on October 28, 2026 and GLP on October 20, 2026.

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