Lighter is the dead-simple GLP-1 tracker. Log every shot in two taps, see your estimated medication level, and make every dose count — without the overwhelm.
You're spending a fortune on the most important thing you've done for your body. Lighter makes sure none of it slips through the cracks. Log your dose, your injection site, and how you felt in seconds — and finally see the rhythm of your GLP-1 journey on one calm timeline.
Works with every major GLP-1 and peptide — semaglutide, tirzepatide, retatrutide, dulaglutide, liraglutide, orforglipron, compounded, weekly or daily.
TRACK EVERY SHOT IN TWO TAPS
• Log injections or pills in seconds — dose, injection site, and how you felt
• Rotate injection sites on a simple body map
• Set shot-day reminders and a next-dose countdown, so you never wonder "did I take it?"
SEE YOUR MEDICATION LEVEL
• Watch your estimated medication level rise and fall between doses
• Modeled per medication, so you can see where you are in your dosing window
• An informational estimate — not medical advice
KNOW YOUR SIDE EFFECTS
• Log nausea, fatigue, food noise, and more — on a panel you customize
• Track severity and spot your own patterns by dose and site
• Keep clear notes to talk through with your healthcare provider
SEE YOUR PROGRESS
• Simple weight tracking and trends
• A clean daily view of your doses, weight, and side effects — all in one place
BUILT TO STAY LIGHT
• Start instantly — no account required
• Private by default. We never sell your data.
• Fast, calm, and clear — the essentials done well, not twenty features you'll never open
WHY LIGHTER
Most GLP-1 apps bury you in food scanners, macros, and dashboards until tracking feels like another job. Lighter does the opposite. It keeps you to what actually matters — your dose, your patterns, and your progress — so staying consistent feels effortless.
SUBSCRIPTION
Lighter is a subscription app. A subscription unlocks full access; you can start with a free trial where offered. Payment is charged to your Apple ID, renews automatically unless canceled at least 24 hours before the period ends, and can be managed or canceled anytime in your App Store account settings.
HEALTH DISCLAIMER
Lighter is for tracking and educational purposes only. It does not provide medical advice, diagnose conditions, treat side effects, or recommend dose changes. The estimated medication level is an informational estimate, not medical guidance. Always talk with your healthcare provider about medication decisions, side effects, or health concerns.
Privacy Policy: https://uselighter.com/privacy/
Terms of Use: https://uselighter.com/terms/
Consumer Health Data Privacy: https://uselighter.com/consumer-health-privacy/
Support: support@uselighter.com
Lighter has been a refreshing experience. From the moment I opened the app, it felt thoughtfully designed and genuinely focused on helping people improve their health in a practical, sustainable way. I love that it's personalized instead of taking a one-size-fits-all approach.The interface is clean, easy to navigate, and doesn't feel overwhelming. It provides encouragement without making you feel judged, which makes it much easier to stay consistent. You can tell a lot of care and heart went into creating it.Knowing it was built by two brothers inspired by their mom makes the mission behind the app even more meaningful. If you're looking for an app that helps you build healthier habits with a supportive, personal touch, I would definitely recommend giving Lighter a try.
Great for Balancing Work, Kids, and Health
LJxn84
I’ve been using the GLP-1 Tracker, and it’s been a huge help in keeping me organized. Between a hectic work schedule and raising kids, it’s easy to lose track of medications, progress, and appointments. This app makes everything simple and keeps all my information in one place. It’s user-friendly, reliable, and has helped me stay consistent with my GLP-1 journey. I highly recommend it to anyone trying to balance a busy life while staying committed to their health goals.
Great App
choldino
I don’t know why nobody thought of this before. The app itself is very elegant and makes calorie tracking not intimidating. I’m 57 years old and have had diabetes for 20 years and have struggled to lose weight. Lighter provides consistency and it’s feature to time my doses is incredibly useful in my hectic life as an engineer for the defense industry. I work long hours and don’t want to spend energy thinking about my diet and injections. Lighter is like a second brain that handle those things and I love it.
Game changer for my GLP-1 journey!
jlux4
Logging a shot takes about two taps: dose, site, and how I’m feeling, and I never have to second-guess whether I already took it. Seeing the estimated medication level between doses has been super helpful, and the app remembers my last injection site so I actually rotate. Food tracking is effortless: point the camera at my plate or scan a label and it’s logged. Protein, fiber, water, and weight all in one clean place. The little panda widget even cheers me on. Highly recommend!
Bug fixes and improvements to the Lighter experience :)
Version 1.0.5
The developer, Flame Industries, 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 Linked to You
The following data may be collected and linked to your identity:
Health & Fitness
Purchases
Contact Info
Identifiers
Usage Data
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
Flame Industries Inc.
Size
86.1 MB
Category
Health & Fitness
Compatibility
Requires iOS 17.0 or later.
iPhone Requires iOS 17.0 or later.
Mac Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
