Best Fat Scientist Apps

250+ iOS apps curated and reviewed

4.8 avg rating
20 free apps
Updated October 2026

With an average user rating of 4.8★, the fat scientist category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.

Compare top Fat Scientist Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Shotsy GLP-1 TrackerShotsy GLP-1 TrackerFree4.8★ (32K)NoYesOct 2026
2Glapp — Smart GLP-1 TrackerGlapp — Smart GLP-1 TrackerFree4.7★ (965)NoYesOct 2026
3Peptide Calculator: PepCalcPeptide Calculator: PepCalcFree4.7★ (378)NoNoOct 2026
4Peptide Calculator・TrackerPeptide Calculator・TrackerFree4.4★ (553)YesYesOct 2026
5GLP-1 Logbook: Shot TrackerGLP-1 Logbook: Shot TrackerFree—YesYesAug 2026
6DoseMate: GLP-1 TrackerDoseMate: GLP-1 TrackerFree—NoYesSep 2026
7GLP 1 Tracker : PenPal GLP1GLP 1 Tracker : PenPal GLP1Free5.0★ (1)YesYesSep 2026
8PeptideProPeptideProFree—NoNoAug 2026

Top Picks for Fat Scientist

Shotsy GLP-1 Tracker#1

Shotsy GLP-1 Tracker by Shotsy

GLP1 Shot - Zepbound, Wegovy
Editor's Choice
💪 Health & Fitness
4.8😊(32K ratings)
FreeIn-App Purchases
#74in Health & Fitness
Shotsy GLP-1 Tracker screenshot 1
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This app helps users track their GLP-1 medications for weight loss and diabetes management. It logs doses, monitors side effects, and visualizes medication levels and health progress. Stay on schedule with smart reminders and integrate with Apple Health for a comprehensive view of your journey.

What We Love

  • 💻 Easy to use
  • 📊 Helpful data visualizations
  • 🕰️ Accurate estimated medication levels
  • 📈 Effective weight loss tracking
  • 🗓️ Convenient shot tracking
  • 📝 Useful notes and journaling
  • 🤖 Integrates with health apps

Room to Improve

  • 🐛 Occasional data sync issues
  • 💰 Subscription cost may be high for some
  • 🔢 Difficulty with weight unit conversions
Glapp — Smart GLP-1 Tracker#2

Glapp — Smart GLP-1 Tracker by Glapp Inc.

Mounjaro Zepbound Wegovy GLP1
Strong Contender
💪 Health & Fitness
4.7(965 ratings)
FreeIn-App Purchases
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Track your GLP-1 medication, monitor weight loss, and understand your body's response to treatments like Ozempic and Wegovy. This community-driven app helps you log doses, analyze effectiveness, and receive personalized tips for sustainable lifestyle changes. It also manages medication supply and prioritizes user privacy.

Peptide Calculator: PepCalc#3

Peptide Calculator: PepCalc by David Dzeveckij

Dosage & Reconstitution Tool
Worth Considering
🏥 Medical
4.7(378 ratings)
Free
Peptide Calculator: PepCalc screenshot 1
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This tool simplifies peptide dosage and reconstitution calculations. It accurately determines injection volumes and the correct amount of water for mixing, converting results to insulin syringe units. Designed for researchers and wellness enthusiasts, it ensures precise and confident peptide administration.

More Fat Scientist apps to explore

FAQ about Fat Scientist

What are the best fat scientist apps for iPhone?
Shotsy GLP-1 Tracker tops our fat scientist apps ranking as of October 2026, with a 4.8-star average from 32K App Store ratings, and it's free to download.
Yes — 20 of the top fat scientist apps we rank are free to download, including Shotsy GLP-1 Tracker and Glapp — Smart GLP-1 Tracker.
Shotsy GLP-1 Tracker has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 250+ fat scientist apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.