Regimen is the most complete peptide tracker here, whether you run one compound or a stack: the deepest daily tracking, your bloodwork on the same timeline as your doses, four calculators built in, and pattern detection on top of all of it. It is free for your first compound with every feature. The others are worth knowing for what each does well. PepTracker is the go-to free starting point on iOS if you want the simplest possible log. Smart Peptide Tracker is the pick for one-time pricing and a no-account option, with genuine Android support. PeptIQ is worth a look if you want an AI chat assistant and a way to check a vial's certificate of analysis in the app. Shotsy is excellent at a different job: GLP-1 weight-loss tracking, not multi-peptide protocols. Here is what each one actually does.
At a Glance: 5 Peptide Tracker Apps Compared
App
Best For
Multi-Compound Depth
Calculators
Lab Tracking
Apple Health
Android
Price
Regimen
Multi-compound stacks, labs on your dose timeline
Yes
Yes (4 built-in)
Yes
Yes
Yes
Free for 1 compound; Premium
PeptIQ
AI chat and COA scanning, cross-platform
Partial
Partial (AI scanner)
Yes
Yes
Yes
No free tier; $99 to $129.99/yr list
PepTracker
iOS beginners, first protocol
Partial
Forward-only (no reverse mode)
No
Yes (weight, body fat)
No
Freemium; $4.99/mo or $47.99/yr
Smart Peptide Tracker
Android users, one-time pricing
Yes
Yes
Paid add-on ($14.99)
Yes
Yes
Free tier; $34.99 base + add-ons
Shotsy
GLP-1-only weight loss tracking
No
No
No
See App Store
Yes
Freemium; up to $59.99/yr
Feature coverage verified against each app's App Store or Google Play listing, official site, and privacy policy as of July 2026. Verify current details at the source before purchase.
Methodology
How We Evaluated These Apps
We compared every peptide tracker we could find against its own App Store or Google Play listing, official site, and privacy policy. The criteria below reflect what actually matters when you are tracking peptide protocols day to day.
Disclosure: we make Regimen, so this is not an independent review. We name plainly where the other apps are better.
Multi-compound depth
Most people who get serious about peptides eventually run stacks. How many compounds does the app handle natively? Can you add custom compounds?
Pattern detection and intelligence
Does the app surface correlations between your doses, your sleep, your lab work, and your subjective markers over time? Or is it just a logbook?
Daily tracking depth
How many check-in markers can you capture? Journal entries, progress photos, injection site rotation?
Calculator coverage
How many calculators does the app include in-app? Reconstitution, reverse BAC water, oil-based dosing, nasal spray?
Health data integration
Does the app pull your weight, body composition and sleep from Apple Health or Google Health Connect instead of making you type them? Can you overlay lab results on your dose timeline?
Design and UX quality
A peptide tracker is something you open every day. Clean, professional design matters. Several apps in this space feel generic. The ones that invest in interface quality show up in long-term retention.
Protocol and cycle management
Long peptide protocols need cycle start and end dates, weekly summaries, and a way to share progress with a provider if needed.
Free tier scope
Does the free version let you track a full protocol end-to-end? Or is it a demo with hard feature walls?
Privacy stance
No data selling, full export capability, account deletion. Minimum bar for any health tracker.
The 5 Apps Reviewed
1
Regimen
Best for: Multi-compound stacks
Regimen is built to help you see what's actually working in your protocol, not just log doses. It started as a peptide tracking tool and expanded as the user base showed up with increasingly complex stacks running more than one compound at once.
Pricing
Free for one compound, plus a 14-day trial. Premium adds unlimited compounds for multi-compound stacking. Available on iOS, iPadOS, and Android.
Best for
Anyone who wants to see what's actually working in their protocol, not just log doses. The 200+ compound and brand library and complete free tier for one compound are the practical wrappers around that.
Strengths
+200+ compound and brand library with custom compounds. Covers peptides and complementary compounds in the same app. If the compound you're tracking isn't in the library, you can add it with your own parameters.
+Four built-in calculators. Peptide reconstitution, reverse BAC calculator, oil-based compound dosing, and nasal spray. The reconstitution calculator handles multi-vial batches and calculates exact units for any syringe type. No need to open a separate tool.
+Lab tracking with biomarker overlay. Upload or enter lab results and they plot on the same timeline as your dose logs. You can see whether a protocol change preceded a shift in a marker like IGF-1, testosterone, or fasting glucose.
+50+ daily check-in markers. Energy, sleep, body weight, appetite, mood, compound-specific subjective markers, and custom markers. Tracks what is actually moving for you, not a generic wellness checklist.
+Signals pattern engine. Identifies correlations between your dose schedule and your logged health markers over time. The patterns surface in your weekly summary.
+Apple Health and Google Health Connect sync. Weight, body fat, sleep, resting heart rate and blood pressure flow in from any wearable or connected scale that writes to Apple Health or Health Connect.
+Injection site rotation tracking. Logs each injection site and shows the rotation history visually, useful for long-running protocols where site fatigue is a real issue.
+Cycle management and progress photos. Logs cycle start and end dates with before-and-after photo comparison mapped to the protocol timeline.
+Share-with-provider report. Exports a formatted PDF health summary for a healthcare provider conversation.
+Free tier is genuinely functional. One compound gets every feature: lab tracking, PK curve, all four calculators, all 50+ check-in markers, Apple Health sync, and injection site rotation. The free tier is not a teaser.
Trade-offs
−Multi-compound tracking requires Premium. If you're only tracking one compound and have no plans to expand, the subscription is unnecessary.
−No AI chatbot or conversational interface. The app is built around structured logging and pattern detection, not conversational AI. If you specifically want an AI interface, PeptIQ approaches the problem differently.
Verdict: Plots your labs on the same timeline as your doses and runs pattern detection (Signals) on top of the whole picture. For a single compound at no cost, the free tier holds up against anything else available. Learn more about the Regimen app, or go straight to the peptide tracker app.
PeptIQ is a peptide tracker for iOS and Android (with web access) built around an AI chat assistant, a large calculator set, and COA scanning that reads a certificate of analysis so you can sanity-check a vial before you use it. The chat and the COA check are what set it apart.
No free tier, per their own pricing page. Premium lists at $99 to $129.99 a year depending on tier, often discounted. iOS, Android, and web.
Best for
Users who want a conversational AI interface, and anyone who wants to check a vial's certificate of analysis inside the app they already log in.
Strengths
+COA scanning and vial trust signals. Scan a certificate of analysis and PeptIQ reads it back as a quality check on the vial, which nothing else in this list attempts.
+Label maker. Generates a printable vial label with the compound, dose, BAC volume, reconstitution date and a QR code.
+Chatbot interface. Answers questions about the compound you're logging without requiring you to open a browser. Convenient for quick reference during a protocol.
+Apple Health integration for biometric data.
+Active development with regular updates.
Trade-offs
− AI-generated chatbot answers carry the same accuracy risks as any AI-generated health content. There is no cited source for responses.
− Premium tier is subscription-only (no lifetime option), and lists at $99 to $129.99 a year depending on tier, roughly double Regimen's Premium.
− No reverse-calculation mode in the calculator (you can't enter a target dose and get the water to add).
Verdict: The COA check is a genuinely original idea in this category and the calculator set is the broadest here. Worth trying if you want a conversational interface. PeptIQ approaches tracking from the AI-convenience angle; Regimen approaches it from the structured-data-depth angle. They're solving slightly different things.
3
PepTracker
Best for: iOS beginners
PepTracker is a clean, focused peptide dose logger that emphasizes simplicity. It is one of the most widely adopted dedicated peptide trackers on iOS.
Free for up to 3 protocols; paid tier $4.99/mo or $47.99/yr unlocks unlimited protocols. iOS only.
Best for
Someone starting their first or second peptide protocol who wants a straightforward dose log without setup overhead.
Strengths
+ Well established on iOS, with a long enough track record to judge reliability.
+Simple and fast to set up. Name a compound, set a schedule, start logging. No onboarding asking for health history.
+Clean dose history view. Tap to log, tap to skip. The calendar view makes adherence easy to see at a glance.
+ Generous free tier for up to 3 protocols.
Trade-offs
− Calculator is forward-only: no reverse mode (enter your target dose, get the water to add).
−No lab tracking and no health-metric correlation. It does sync weight, body fat and body measurements from Apple Health.
− iOS only, no Android version.
Verdict: The best starting point for a first protocol on iOS if simplicity is the goal. Most users who start here eventually need more depth, which is where the decision between other apps comes in.
4
Smart Peptide Tracker
Best for: Android users
Smart Peptide Tracker is a peptide tracker for iOS and Android with a one-time pricing model and a privacy-first approach.
$34.99 one-time base purchase, plus a $14.99 biomarker add-on and $9.99 partner-sharing add-on. iOS and Android.
Best for
Android users who want a solid peptide tracker with Health Connect integration. Also the pick for anyone who philosophically prefers a one-time purchase to a monthly subscription.
Strengths
+Android-first presence with Google Health Connect integration. Several peptide tracker apps are iOS-first with a thin Android version. Smart Peptide Tracker treats Android as a first-class platform.
+ Apple Health sync on iOS as well.
+ One-time base pricing at $34.99, with optional paid add-ons instead of a monthly subscription.
+ No-account option available for setup.
Trade-offs
− A younger app with a shorter track record than the longest-running options here.
− Lab tracking costs a $14.99 add-on on top of the $34.99 purchase, and there is no biomarker overlay on the dose timeline.
− Reverse-mode dose calculation not verified in the current build.
Verdict: A solid choice for Android users who want one-time pricing rather than a subscription. The one-time pricing model is a genuine differentiator for users who dislike subscriptions.
5
Shotsy
Best for: GLP-1-only weight loss tracking
Shotsy is built specifically for GLP-1 injections: semaglutide, tirzepatide (tirz), and similar weight-loss medications. It does not support peptides or multi-compound stacks. Everything in the app is designed for the GLP-1 use case.
Pricing
Freemium; paid tiers up to $19.99/month or $59.99/year. iOS and Android.
Best for
GLP-1-only users who want a clean, purpose-built tracker with iCloud sync and don't need anything beyond dose logging, side effect tracking, and weight trends.
Strengths
+Purpose-built for GLP-1 injection patterns. The interface is built around the titration schedules of semaglutide and tirzepatide, not adapted from a generic health app.
+ iCloud sync across Apple devices.
+ Side effect and weight tracking designed around GLP-1 patterns: GI side effects, hunger shifts, food noise changes.
+ Clean, simple setup with no compound library to navigate.
Trade-offs
−GLP-1 only. No peptide compound support whatsoever.
− No lab tracking.
− Medication-level charts and Apple Health import sit on the paid tier.
− Apple Health integration is read-only for weight, calories, protein, and water.
− Paid tier runs $9.99 to $19.99/month or $39.99 to $59.99/year depending on tier.
Verdict: A well-built GLP-1 tracker for someone whose protocol is entirely GLP-1-based. Shotsy is included here because it ranks in this space and is worth naming honestly: it's excellent for what it does, but what it does is a different job from multi-peptide tracking. If you're combining GLP-1 with any peptides, Shotsy won't cover the full picture.
From Regimen’s App Store reviews and inbox
What users say after switching to Regimen
★★★★★
“I tried every peptide tracker available and Regimen was by far the easiest to navigate!”
Jeffrey EV · App Store review · June 2026
★★★★★
“Tried a bunch of other apps and deleted all of them. This is the only one that actually works how I need it to.”
Becca20000 · App Store review · March 2026
★★★★★
“This is such a good tool to have if you’re trying to keep track of peptide injections! It was the third one I tried, and definitely the best!”
Rebecca_N_Austin · App Store review · August 2026
★★★★★
“It is the combination of the features of 3 other apps I’ve been using, and more.”
tteibel · App Store review · June 2026
★★★★★
“I just did a google search on best peptide trackers. Tried Dose and PepAI but like how Regimen works and the ease of everything. Titration works great, sometimes I wonder how the app is better organized than me.”
Regimen user · by email · September 2026
From Reddit threads about peptide tracker apps
What Reddit users say about Regimen
“After trying many, I finally settled on Regimen and uninstalled the rest... see the correlation between lab results and dosing.”
u/SirDirkaDirka · r/NTNPerformance, June 2026 · View on Reddit
“After being thru shotsy and a few others, they were all lacking and regimen is worth it. Regimen has a recon calculator for each item in my stack.”
u/Environmental_Elk654 · r/Biohacking, June 2026 · View on Reddit
“I use regimen because it graphs out half life of all sorts of medications including testosterone and just about everything associated with my stack.”
The choice depends on what you are actually tracking.
Tracking a protocol you want to understand, not just log
Regimen. One compound is free with every feature, so you can judge the depth on your own data before you pay, and Premium covers a full stack.
Starting your first protocol and want the simplest possible log
PepTracker on iOS. Clean UX, no overhead.
One-time pricing instead of a subscription
Smart Peptide Tracker, $34.99 once plus add-ons, with genuine Android support.
An AI chat interface and a way to check your vials, willing to pay for convenience
PeptIQ (iOS, Android, and web). It scans a certificate of analysis, prints vial labels, and answers quick reference questions in-app.
GLP-1-only tracking with built-in food logging
Shotsy. Purpose-built for that use case and does it well.
PepTracker and Smart Peptide Tracker are both solid low-cost starting points for simpler protocols. Regimen's free tier is genuinely complete for one compound, so trying the deeper option before committing to Premium costs nothing.
Not sure which criteria matter for you? Start with how to choose a peptide tracker, then come back here for the ranked list.
What Regimen Users Actually Track
Across the active user base in August 2026: GLP-1s are the most-tracked category overall, with retatrutide well ahead of everything else. GHK-Cu has overtaken BPC-157 as the most-tracked peptide. 63% of active users run more than one compound at a time, and in our May 2026 in-app poll, 58% of subscribers named cycle tracking as their biggest headache before they downloaded. Compound-by-compound numbers are in the Regimen 2026 Peptide Tracking Report.
Regimen's peptide tracker app — dose logging, reconstitution math, blood-level curves and injection-site rotation for 200+ compounds and brands
Get the app
Track your peptide protocol in Regimen.
Free for your first compound. Dose reminders, reconstitution math, and your results in one place.
Frequently Asked Questions
Do I really need a peptide tracker app?
Once you add a second compound with a different schedule, start cycling, or need to remember reconstitution concentrations across multiple vials, a dedicated tracker pays for itself in prevented mistakes.
Does Regimen do more than just dose tracking?
Yes. Regimen connects doses to labs, daily check-in markers (50+ available), and wearable data (Apple Health, Health Connect) through its Signals pattern engine. It also includes four calculators, inventory tracking with beyond-use-date warnings, progress photos, and a GLP-1 clinical trial comparison view.
Which app is best for tracking injection sites?
Regimen offers injection site tracking with a body map and rotation history. OptiPin also offers a detailed rotation map on iOS.
Which app handles peptide cycling best?
Regimen tracks start and end dates across multiple compounds on one timeline with a half-life visualizer, so on-cycle and off-cycle periods are visible per compound.
How do I track peptide storage and expiration?
Regimen tracks vial creation dates with beyond-use-date warnings and inventory across your protocol. For general storage guidelines, the peptide storage guide covers everything.
What is the best peptide tracker app in 2026?
Regimen. It is free for one compound with every feature, it handles stacks on Premium, and it is the only app here that connects your labs and check-ins to the changes you made in your protocol. PepTracker is the simpler iOS-only alternative, and Smart Peptide Tracker is the one-time-price option.
Is there a free peptide tracker app?
Yes. Regimen is free for one compound with all features enabled: lab tracking, four calculators, 50+ check-in markers, and Apple Health sync. PepTracker is free for up to 3 protocols on iOS, and Smart Peptide Tracker has a functional free tier.
What is the difference between a peptide tracker and a peptide calculator?
A calculator handles the math: how many units to draw for a given dose, how much BAC water to add to a vial, what concentration a reconstituted vial has. A tracker logs doses over time, schedules reminders, and records how you feel. Regimen does both. PeptIQ scans a certificate of analysis to check a vial before you use it. PepTracker has a forward-only calculator (no reverse mode).
Which peptide tracker works on Android?
Regimen, PeptIQ, Smart Peptide Tracker, and Shotsy all ship on Android. Regimen and Smart Peptide Tracker integrate with Google Health Connect. PepTracker remains iOS only.
Do any peptide tracker apps include lab tracking?
PeptIQ logs labs, and Smart Peptide Tracker offers labs as a paid add-on. Regimen is the one that plots labs directly against your dose timeline with pattern detection (Signals) on top, covering panels like testosterone, IGF-1, fasting glucose, lipid panels, and custom markers.
Can I track GLP-1s and peptides in the same app?
Yes, if the app supports multiple compound categories. Regimen handles GLP-1 compounds and peptides in the same protocol view. Shotsy is GLP-1 only and does not support peptide compounds.
How do I judge whether a peptide tracker app is trustworthy?
Look at how long it has shipped updates, whether the developer is identifiable, and whether the calculator shows its math instead of hiding it. Review counts help, but they reward age more than quality, so treat them as one signal rather than the answer.
Can I use a general medication tracker instead?
Apps like Medisafe work for basic reminders, but they don’t understand peptide-specific concepts. They can’t calculate reconstitution concentrations, they don’t know about cycling schedules, and they treat every medication the same way. Peptide protocols have unique requirements (vial tracking, syringe unit calculations, site rotation, PK curve visualization) that general apps don’t address.
Can any of these apps tell me what dose to take?
No, and they shouldn’t. These are tracking and calculation tools, not medical advice platforms. They help you manage your schedule, log what you’re taking, and do the reconstitution math correctly. Dosing decisions should come from your own research, your provider, or established community protocols. PeptideKit’s AI chat can answer general peptide questions, but verify anything it tells you.
Why isn’t every peptide app on this list?
We tested every peptide-specific tracker and calculator we could find in the iOS App Store, Google Play Store, and web. General medication trackers, fitness apps with basic supplement logging, and apps that haven’t been updated in 2+ years were excluded. If we missed something, let us know at support@helloregimen.com.
What is the best free peptide tracker app?
Regimen is free for one compound with every feature unlocked for it. There is also a free 14-day trial if you want to try more than one. Premium adds unlimited compounds.
Is Regimen available on Android?
Yes. Regimen ships on iOS (iPhone and iPad) and Android, plus the web. There is no dedicated Apple Watch app, though your dose reminders do come through on the Watch.
I'm on Android. What are my options?
Regimen, PeptIQ, and Smart Peptide Tracker all ship on both iOS and Android. PepTracker is iOS-only.
Does Regimen have a free tier?
Yes. The free tier includes full functionality for one compound: lab tracking, pharmacokinetic curve, all four built-in calculators, all 50+ check-in markers, Apple Health and Google Health Connect sync, and injection site rotation. Premium adds unlimited compounds for multi-compound stacking. This article is for informational purposes only and does not constitute medical advice. Consult a qualified healthcare provider before starting any compound protocol.
What is the best peptide calculator app?
Regimen has four calculators built into the app, and the reconstitution math is also free on the web if you just need the numbers and do not want to install anything yet.
What is the best free peptide tracker app for iPhone?
Regimen. It is free for one compound on iPhone with every feature unlocked for it, and it runs on iPad too. If you want something simpler and iOS-only, PepTracker is the lighter alternative.
Is there a peptide calendar tracker?
Yes, and it is the feature most people actually open the app for. A calendar view lays your week out so you can see which peptide is due on which day, which matters once you are running more than one compound on different schedules: something daily, something twice a week, something on a five-days-on cycle. Regimen shows the week ahead with each dose on its day, marks what you have already taken, and reminds you at the time you set. Most of the apps here have some version of a schedule; what differs is whether it handles more than one compound at a time without you doing the mental arithmetic.
How do you keep track of peptides?
Log four things every time you dose: the compound, the amount, the injection site, and the date. A notes app or spreadsheet works fine for one peptide. Once you run two or more on different schedules, a peptide tracking app does the remembering for you, with reminders, site rotation, and the reconstitution math in one place.
What do Reddit users say about peptide tracker apps?
If you want unfiltered user takes, r/Biohackers has a long thread asking exactly this question. Threads like that are where you learn how an app feels after month three. This page covers what each one actually does and costs.
This article is for informational purposes only and does not constitute medical advice. Consult a qualified healthcare provider before starting any peptide protocol.
