Stackr counts your supply down to the day and tells you to reorder while there's still time for shipping. Three items free — no account, no ads, no third-party analytics. Pro is $4.99/mo or $39.99/yr.
From reorder alerts to reconstitution math, Stackr handles the details so you can focus on your protocol.
Group compounds into protocols. Track injection days, depletion timelines, and manage complex stacks from one place.
FreePeptides, supplements, GLP-1s, TRT — autocomplete with default doses. BPC-157, Tirzepatide, Semaglutide, and more.
FreeVial size, BAC water, desired dose — instant syringe markings and draw volume. Supports U100, U40, and standard syringes.
FreeDaily cost, monthly spend, annual run rate. Smart reorder reminders with shipping lead-time calculations so you never run dry.
Stackr ProOne-tap dose logging. Weekly calendar view shows your schedule at a glance. Track wellness scores alongside your stack.
FreeOptional account creation syncs your data across devices. Your data stays yours — protected by row-level security.
FreeNo account required. Download, add your compounds, and start tracking.
Search the built-in library or add custom items with your doses and schedule.
Group compounds together. Set injection days, quantities, and supply on hand.
One-tap dose logging. Stackr counts down your supply and tracks your spending.
Get reorder alerts before you run out. Stackr factors in shipping time so you never miss a dose.
Core tracking is free. Go Pro for unlimited items, cloud sync and CSV export.
Vial size, BAC water, desired dose — instant syringe markings and draw volume.
Select your vial size, how much bacteriostatic water you added, your desired dose, and syringe type. Stackr does the rest.
U100, U40, and standard mL syringes. See exactly which mark to draw to — no guessing.
Concentration, draw volume, and syringe markings calculated in real time. For reference only — always verify with your healthcare provider.
It's in development now. Leave your email and we'll tell you the day it lands on Google Play — that's the only thing we'll ever use it for.
Download Stackr free and stop guessing when to reorder.
Download on App Store Android — join the waitlist