Best Fat Scientist Apps

216+ iOS apps curated and reviewed

4.7 avg rating
20 free apps
Updated June 2026

With an average user rating of 4.7★, the fat scientist category is one of the App Store's strongest. Browse all 216+ apps we track, sorted so the most loved ones surface first.

Top Picks for Fat Scientist

Shotsy GLP-1 Tracker#1

Shotsy GLP-1 Tracker by Shotsy Co.

GLP1 Zepbound, Wegovy, Ozempic
Editor's Choice
💪 Health & Fitness
4.8😊(26K ratings)
FreeIn-App Purchases
#77in Health & Fitness
Shotsy GLP-1 Tracker screenshot 1
Shotsy GLP-1 Tracker screenshot 2
Shotsy GLP-1 Tracker screenshot 3
Shotsy GLP-1 Tracker screenshot 4
Shotsy GLP-1 Tracker screenshot 5
Shotsy GLP-1 Tracker screenshot 6

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

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.

Zepbound Wegovy Ozempic GLP1
Strong Contender
💪 Health & Fitness
4.8(607 ratings)
FreeIn-App Purchases
Glapp — Smart GLP-1 Tracker screenshot 1
Glapp — Smart GLP-1 Tracker screenshot 2
Glapp — Smart GLP-1 Tracker screenshot 3
Glapp — Smart GLP-1 Tracker screenshot 4
Glapp — Smart GLP-1 Tracker screenshot 5
Glapp — Smart GLP-1 Tracker screenshot 6

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
5.0(9 ratings)
Free
Peptide Calculator: PepCalc screenshot 1
Peptide Calculator: PepCalc screenshot 2
Peptide Calculator: PepCalc screenshot 3

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

4
Zepbound Tracker by GlucoPal
Zepbound Tracker by GlucoPal
Zepbound Tracker by GlucoPal
For GLP-1s, Mounjaro, Wegovy
Free

This app helps users track their GLP-1 medication doses, weight, nutrition, and side effects. It offers features like automatic site rotation for injections, AI-powered meal tracking, and dose reminders. Monitor your progress privately and share insights with your doctor.

Track medication doses (injection & pill)Automatic injection site rotationWeight trend tracking and charts
💪 Health & Fitness
(2K)
free with in-app purchases
5
Peptide Calculator App
Peptide Calculator App
Peptide Calculator App
Pepcalc Compound & Dosage
Free

This app serves as a comprehensive peptide dosage calculator for researchers and enthusiasts. It offers features like saving calculations, tracking peptide usage, and a reconstitution guide. Users can also explore mixing ratios and export results to PDF.

Syringe size optionsSave and edit calculationsPeptide tracking and history
🏥 Medical
(469)
free with in-app purchases
6
MeAgain: GLP-1 Tracker App
MeAgain: GLP-1 Tracker App
MeAgain: GLP-1 Tracker App
Zepbound Mounjaro Wegovy glp1
Free

Manage your GLP-1 medication journey with this comprehensive app. It offers features for tracking progress, logging meals with AI, managing medication doses, monitoring movement, and visualizing your journey from day one. Stay on track with reminders and helpful widgets.

GLP-1 journey managementAI-powered food loggingDose and injection tracking
💪 Health & Fitness
(17K)
freemium
7
Semaglutide  App for GLP-1
Semaglutide  App for GLP-1
Semaglutide App for GLP-1
Semaglutide, tirzepatide log
Free

Track GLP-1 injections and manage your diet with this app. It helps set and log calorie, protein, and activity goals, offering AI-powered nutrition analysis and personalized daily intake recommendations to support healthy weight loss and preserve muscle mass.

GLP-1 injection logCalorie and protein loggingAI food scanner for nutrition analysis
🏥 Medical
(849)
free with in-app purchases
8
MDCalc Medical Calculator
MDCalc Medical Calculator
MDCalc Medical Calculator
Clinical Decision Support
Free

This app provides over 900 evidence-based medical calculators, risk scores, and clinical tools for healthcare professionals. It offers offline functionality, expert insights, and CME tracking to support patient care at the bedside. Tools are developed and validated by board-certified physicians.

900+ evidence-based calculatorsOffline functionalityExpert insights and commentary
🏥 Medical
(51K)
free
9
Healthi: Weight Loss, Diet App
Healthi: Weight Loss, Diet App
Healthi: Weight Loss, Diet App
Track Food GLP-1 Macro Calorie
Free

This app helps users achieve weight loss through personalized plans, easy food tracking, and a supportive community. It offers features like barcode scanning, recipe building, and integration with health devices. A premium option also combines medication support for enhanced results.

Personalized weight loss plansEasy food tracking (barcode scanner, search)Recipe builder
💪 Health & Fitness
(90K)
free with in-app purchases
10
DreamMe: GLP-1 Tracker Pet
DreamMe: GLP-1 Tracker Pet
DreamMe: GLP-1 Tracker Pet
Wegovy, Zepbound Mounjaro glp1
Free

This app helps individuals on GLP-1 medications track their journey with a virtual pet that grows alongside their progress. It offers reminders for injections, simple meal logging with AI, side effect tracking, and journaling to support consistency and emotional well-being.

Virtual pet companion that grows with progressMedication shot reminders and schedule trackingAI-powered meal logging with photo analysis
💪 Health & Fitness
(1.5K)
free with in-app purchases
11
epocrates: Drug Info & Pill ID
epocrates: Drug Info & Pill ID
epocrates: Drug Info & Pill ID
Dosing, Interactions, & Labs
Free

This clinical reference app empowers healthcare professionals to make safer, faster decisions. It offers comprehensive drug information, interaction checks, pill identification, lab values, and dosing calculators. Access essential clinical tools offline to enhance patient care and workflow efficiency.

Comprehensive Drug ReferenceDrug Interaction CheckerPill Identifier
🏥 Medical
(7.1K)
free with in-app purchases
12
BMI Calculator – Weight Loss
BMI Calculator – Weight Loss
BMI Calculator – Weight Loss
Calculate your ideal weight
Free

Calculate and track your Body Mass Index (BMI) with this user-friendly app. It provides personalized health insights, ideal weight recommendations, and supports various units and classification systems. Monitor your weight journey and understand health risks.

Instant BMI calculation with animated gaugePersonalized health insightsIdeal weight recommendations
💪 Health & Fitness
(26K)
free with in-app purchases
13
Calculate by QxMD
Calculate by QxMD
Calculate by QxMD
Medical Calculator
Free

This clinical calculator and decision support tool offers over 200 medical calculators and tools for diagnosis, treatment, and prognosis. It adapts to your practice and provides detailed references, integrating with PubMed and Read by QxMD.

Over 200 medical calculatorsClinical decision support toolsCardiology, internal medicine, and more
🏥 Medical
(5.1K)
free with in-app purchases
14
Gala GLP-1 Tracker
Gala GLP-1 Tracker
Gala GLP-1 Tracker
Ozempic, Zepbound, Mounjaro
Free

This app helps users manage their GLP-1 medication journey by tracking shots, doses, side effects, weight, and calories. It provides insights and analytics to monitor progress and recalibrate goals, supporting a healthy lifestyle.

Log medication shots and dosesTrack side effects, weight, and caloriesAnalyze progress with charts and insights
💪 Health & Fitness
(868)
free with in-app purchases
15
AI Calorie Counter & Meal Plan
AI Calorie Counter & Meal Plan
AI Calorie Counter & Meal Plan
Scan & Track Calorie Deficit
Free

Effortlessly track your nutrition by simply taking a photo of your food. This app uses AI to instantly recognize ingredients, estimate calories, and provide a detailed nutritional breakdown. Achieve your health goals with accurate insights and personalized tracking.

Instant food recognition via photoAccurate calorie and nutrition estimatesDetailed nutritional breakdown (macros)
💪 Health & Fitness
(2.4K)
free with in-app purchases
16
Calorie Counter - MyNetDiary
Calorie Counter - MyNetDiary
Calorie Counter - MyNetDiary
Food Nutrition Macro Tracker
Free

Track your food intake and nutrition with a comprehensive calorie counter. Log meals quickly using a barcode scanner, photo analysis, or search. Monitor macros, vitamins, minerals, and more with detailed insights and progress charts.

Barcode scannerMeal Scan (photo logging)Macro and protein tracking
💪 Health & Fitness
(155K)
freemium
17
Calibrate - Metabolic Health
Calibrate - Metabolic Health
Calibrate - Metabolic Health
Weight Loss Results That Last
Free

This app supports a comprehensive weight loss program focused on metabolic health. It provides access to clinician-prescribed medication, personalized video coaching, daily tracking tools, and educational content to foster sustainable lifestyle changes for long-term results.

Clinician-prescribed GLP-1 medication1:1 video coaching sessionsDaily progress tracking
💪 Health & Fitness
(4.7K)
free
18
GoodRx: Prescription Savings
GoodRx: Prescription Savings
GoodRx: Prescription Savings
Medication Delivery & Tracker
Free

Access digital coupons and discounts for prescription medications, including specialized drugs. Find reliable telehealth services and manage your prescriptions with a personal tracker and refill reminders. Save money on healthcare, even without insurance.

Prescription drug discountsGLP-1 medication savingsTelehealth services
🏥 Medical
(697K)
free with in-app purchases
19
WeightWatchers Program
WeightWatchers Program
WeightWatchers Program
Weight Loss and Better Health
Free

This app offers a science-backed weight loss tracker and personalized diet plans. It includes specialized support for weight-loss medications, AI-powered progress tracking beyond the scale, and flexible tools for various weight management goals. Connect with coaches and a supportive community for lasting results.

Personalized diet plansWeight-loss medication supportAI body scanner
💪 Health & Fitness
(2.4M)
free with in-app purchases
20
GLP 1 Tracker: Pep GLP1
GLP 1 Tracker: Pep GLP1
GLP 1 Tracker: Pep GLP1
Zepbound Ozempic Mounjaro GLP1
Free

Manage your GLP-1 medication routine with this comprehensive app. Track injections, pills, progress, nutrition, and receive smart reminders to stay consistent and motivated on your weight loss journey.

Supports all weight loss medications (injections/pills)Smart medication insights and injection site rotationCustom reminders for doses, weigh-ins, and meals
🏥 Medical
(800)
freemium