Track Your Tirzepatide Routine
Log Mounjaro or Zepbound doses, monitor your weight at every titration step, and see your results clearly.
Tirzepatide — Compounded & Brand GIP/GLP-1
Regimen is the best tirzepatide tracker app for managing your Mounjaro or Zepbound protocol. Tirzepatide's dual GIP/GLP-1 mechanism delivers powerful weight loss results — but tracking your progress through its six-step titration schedule is critical. Regimen's compound database is built on published pharmacokinetic data and FDA prescribing information. Regimen logs every dose, tracks your weight loss at each titration step, monitors side effects, and shows you how tirzepatide is affecting your body composition, appetite, and energy. Free — every feature unlocked for your first medication. No paywall, no trial, no credit card. Rated 4.9 stars on the App Store.
Compounded tirzepatide needs precision tracking.
You chose compounded for a reason. Don't wing the dosing:
Calculating draw volume from different compounded concentrations — and the stakes feel high when you're doing the math yourself
Managing dose-schedule timing without a provider who automatically ships your next pen strength
Tracking whether your results match what others report at similar doses, or if something's off with your compound
Dose with precision
Regimen handles the dose math so you don't have to, including compounded vial conversions.
Compounded dose calculator
Using compounded semaglutide or tirzepatide from a vial? Input your vial size, bacteriostatic water volume, and target dose. Regimen tells you exactly how many units to draw.
Never miss a dose. Stay on schedule.
Stay consistent with zero effort. Regimen supports weekly injections, dose-step changes, and any schedule your medication needs, with smart reminders that actually help.
Every schedule you need
Weekly · specific days · split-week · every X days · twice daily · as-needed. Injections, pills, sprays. Your routine, your way.
Dose-step management
Log every step-up in your dose schedule with the date. When something shifts a week after a step, you can see it on the timeline instead of guessing.
See what's actually working
Correlate every dose and step-up against real health data. Stop guessing what's actually moving the needle for you.
Auto-sync from Apple Health & Google Health Connect
Weight, body fat, sleep, resting heart rate, and blood pressure flow in automatically. No manual logging required.
Log the signals your labs miss
Log energy, libido, sleep, and recovery alongside your numbers. See the response labs miss between pulls.
Correlate medications with health trends
Stepped up your dose three weeks ago? See exactly how your weight, energy, and side effects responded. Every dose change is overlaid on your health charts.
Know what's in your system
See estimated concentration curves for your compounds in real time. Know if you're at peak, trough, or steady state without waiting for labs.
Pharmacokinetic modeling for 150+ compounds
Regimen uses half-life data to model absorption, peak levels, and decay for every dose you take. See how levels build up over multiple doses.
Peak, trough & steady state visibility
Understand where you are in your dosing cycle at any moment. See projected future levels based on your current schedule.
Why tracking tirzepatide matters
Concentration calculator built in
Compounded tirzepatide comes in varying concentrations. Regimen handles the math from your specific vial strength to exact syringe units.
Self-managed dose schedule
Without auto-shipped pens, you're managing your own step-ups. Regimen tracks your dose history and flags when your next step-up is due.
Dose-response correlation
See exactly how each dose change impacts your weight, appetite, and energy: the data that tells you whether a step-up is actually helping.
What Regimen Tracks for Tirzepatide
Why people are switching to Regimen
"I finally feel in control of my weight loss journey. The photo comparison feature is addictive. Seeing my progress next to the tracking data motivates me way more than just the number on the scale."
Sarah K., GLP-1 User
"Started Zepbound a few months ago and needed something to track my doses and weight. This app is perfect, reminders keep me on schedule, I can log my injections and see my progress all in one place. The progress photos feature is really motivating too."
Nooshnili, USA
How we built the tirzepatide tracker
Tirzepatide is the active ingredient in both Mounjaro (branded for type 2 diabetes) and Zepbound (branded for weight loss), and it's also widely dispensed in compounded form by US compounding pharmacies. For most people, the practical complication is supply: you might start on branded Zepbound, switch to compounded during a shortage, swap to Mounjaro because your insurance covers it differently, and end up wanting one continuous history across all of those forms.
Regimen's tirzepatide tracker is built for that reality:
- Branded dose logger: log Mounjaro and Zepbound by pen strength (2.5, 5, 7.5, 10, 12.5, 15 mg). The app stores the full titration history regardless of which brand you were on at each step.
- Compounded dose calculator: for compounded tirzepatide, log by mg per dose. The reconstitution calculator handles the math when your compounding pharmacy gives you a vial at a specific concentration: enter the vial size and the units you draw, and the app converts to mg.
- Switching between forms: when you move from branded to compounded (or back), your dose history stays on one continuous timeline. No need to start a new log.
- Side-effect tracking across 50+ markers: nausea, vomiting, constipation, diarrhea, sulfur burps, the food-stuck feeling, fatigue, sleep, mood, appetite, energy, plus custom markers.
- Weight trend overlay: every dose change shows on the same chart as your weight, so you can see how the full titration arc moved your body composition.
- Lab tracking: HbA1c, fasting glucose, lipid panel, hematocrit. Each lab pull plots on the dose timeline so you can see how labs moved across the dose history regardless of source.
- Apple Health and Google Health Connect: weight, sleep, resting heart rate, blood pressure auto-sync.
- Multi-compound support: most tirzepatide users on Regimen also track at least one other compound (TRT, a peptide, HRT, supplements). One app, one timeline.
Your data stays private
Your health data is stored securely. We never share, sell, or monetize your information. What you track is your business, not ours.
See what's actually working
Regimen's Signals feature watches your check-ins and tells you the pattern it finds: your food noise tends to creep back around day 5 of your tirzepatide week, or your energy dips as the dose wears off. It's not a summary of what you logged: it's what actually changed.
How Regimen compares to Shotsy, Glapp, and MeAgain for tirzepatide tracking
| App | Platforms | Multi-Compound | Med-Level Curves | Reconstitution Calc | Health Sync | Free Tier |
|---|---|---|---|---|---|---|
Regimen | iOS + Android | GLP-1 + peptides + TRT | Free | Built-in | Apple Health + Google Health Connect | One compound free |
Shotsy | iOS + Android | GLP-1 only | Premium ($9.99/mo or $39.99/yr) | No (pen-focused) | Apple Health (paid) | Freemium |
Glapp | iOS + Android + web | GLP-1 only | Free (PK curves) | No | Apple Health + Health Connect (Android) | Free |
MeAgain | iOS + Android | GLP-1 only | Yes (estimated view) | No | No (not advertised) | Freemium |
Feature coverage based on publicly available app descriptions and pricing as of July 2026. See each app's App Store listing for current details.
Frequently Asked Questions
How do I calculate compounded tirzepatide doses in syringe units?
Enter your vial concentration (mg/mL), the bacteriostatic water you added, and your target dose in milligrams. Regimen converts that to exact units on a U-100 insulin syringe and saves the recipe so you only do the math once per vial.
Can Regimen track branded Mounjaro or Zepbound alongside compounded tirzepatide?
Yes. Pen Mounjaro and Zepbound log by strength; compounded tirzepatide logs by mg per dose since vial concentrations vary. Switching between branded and compounded keeps your weight trend, side-effect history, and labs continuous.
Does Regimen handle split-dose or microdose tirzepatide schedules?
Yes. Split dosing (half your weekly dose every 3.5 days) and daily microdosing are fully supported. The PK model accounts for the actual cadence, so blood-level estimates and side-effect timing line up with what you are really doing.
Can I log glucose and HbA1c on tirzepatide?
Yes. CGM data (Dexcom, Libre) and fingersticks both log to the same view. HbA1c, fasting glucose, and time-in-range plot against your dose timeline so you can see whether titration is actually moving the numbers.
What tirzepatide side effects can I log?
GI symptoms (nausea, vomiting, diarrhea, constipation, sulfur burps, reflux), plus fatigue, sleep quality, mood, appetite intensity, food aversion, and the food-stuck feeling. Custom markers cover injection-site reactions or birth control backup windows after each titration step.
How does Regimen compare to Shotsy, Glapp, or MeAgain for tirzepatide tracking?
See the comparison table above. Short version: those apps are GLP-1-only logs. Regimen handles tirzepatide alongside any other compound, models blood levels with published PK data, and includes lab correlation on the free tier.
Is there a free tirzepatide tracker in Regimen?
Yes. The free tier covers one compound, including tirzepatide, with full dose logging, glucose, side effects, weight sync, and lab tracking. Pro ($4.99/month) unlocks multi-compound stacks and the Signals pattern engine.
Does Regimen treat Mounjaro, Zepbound, and compounded tirzepatide identically?
The underlying compound is the same, so the PK math is identical. The difference is framing per view: Mounjaro surfaces HbA1c and glucose, Zepbound emphasizes weight trajectory and body composition, and the tirzepatide view stays neutral for compounded dosing. Your data flows the same way across all three.
Stop guessing. Start optimizing.
Your GLP-1 routine deserves better than a notes app and a calendar.