COMPARISON
Track GLP-1s plus your entire protocol in one app, with free blood level modeling and progress photos
GLP-1-first tracking experience
Track your entire health protocol
| Feature | Shotsy | Regimen |
|---|---|---|
| GLP-1 tracking (Ozempic, Mounjaro) | ||
| Apple Health / Google Health Connect | ||
| Half-life blood level modeling | Paid | Free |
| Dose-to-metric correlation | ||
| Progress photos (before/after) | ||
| Cross-platform (iOS + Android) | ||
| Peptide tracking (BPC-157, TB-500) | ||
| TRT tracking (Testosterone, HCG) | ||
| Multiple compound types at once | ||
| Cycle timers for peptide on/off phases | ||
| Reconstitution calculator | ||
| Pills, sprays, creams, drops |
Based on public product pages and app store listings reviewed in March 2026. See our full comparison of GLP-1 tracker apps for a deeper breakdown including Me Again and Glapp.
Shotsy has strong GLP-1 tracking. Regimen is built for people running broader protocols that include peptides, TRT, and multi-compound schedules.
Regimen includes pharmacokinetic half-life modeling for 40+ compounds at no cost. See estimated blood levels, peak vs trough windows, and steady-state projections. Shotsy gates this behind a paid tier.
Take and compare progress photos over time with side-by-side before/after views. Track visual changes alongside your dosing data and health metrics.
See how dose changes correlate with weight, body fat, heart rate, blood pressure, and sleep pulled automatically from Apple Health.
Running TRT + GLP-1, or peptides alongside your weight loss meds? Track everything in one place with independent schedules.
Peptide reconstitution, TRT dose splitting, and HCG units with four calculators built right into the app. No more separate apps or spreadsheets.
Configurable on/off cycling for peptides and other compounds. Get alerts when it's time to cycle off.
TRT + GLP-1, peptide stacks, HCG, or any combination
Correlate dose changes with broader health metrics across your full stack
Track injections, pills, sprays, and creams together
Start free. Track one compound at no cost, forever.
Want to see how Regimen compares to other apps? Read our full 2026 comparison →