Comparison

Peptide Stack vs Peptide Tracker Log & Reminder

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Peptide Stack

Track your GLP-1 medication doses and monitor your weight progress. This app supports various peptide medications and custom stacks, helping you manage your health journey.

Highlights
  • GLP-1 medication tracking
  • Weight progress monitoring
  • Custom peptide stack support
  • Dose logging
  • Subscription management
Features
Read full description

Whether you're on a GLP-1 medication, semaglutide, tirzepatide, or running a custom peptide stack. Subscription Details: - Monthly Plan: $9.99/month (auto-renews monthly) - Annual Plan: $49.99/year ($4.17/month, auto-renews annually) - Payment will be charged to your Apple ID account at confirmation of purchase - Subscription automatically renews unless canceled at least 24 hours before the end of the current period - Your account will be charged for renewal within 24 hours prior to the end of the current period - You can manage and cancel your subscriptions by going to your account settings on the App Store after purchase Terms of Use (EULA): https://peptidestack.io/terms Privacy Policy: https://peptidestack.io/privacy

About

Peptide Tracker Log & Reminder

This app helps users meticulously track peptide and GLP-1 doses, manage supplies, and monitor progress. It offers features like custom protocol building, injection site logging, and estimated plasma level visualization. Users can also sync with Apple Health and connect with a community for shared experiences.

Highlights
  • Build custom peptide and GLP-1 protocols
  • Log doses with notes and injection site tracking
  • Manage vial inventory and supplies
  • Visualize estimated plasma levels
  • Sync with Apple Health data
  • Track weight and progress photos
  • Connect with a community of users
Features
Read full description

Peptide Tracker is used by over 100,000 people. Track peptides and GLP-1s in one free app. Build your stack, log every dose, manage vials and supplies, monitor injection sites, visualize estimated plasma levels, sync Apple Health, follow your progress, and connect with people using the same compounds. Whether you’re managing one compound or a complex stack, keep your schedules, dose history, and inventory organized in one place. TRACK YOUR PROTOCOL Build Your Stack Create protocols with custom doses, schedules, frequencies, and durations. Add common peptides in seconds or create your own custom compounds. Log Every Dose Record scheduled or past doses, add notes, track injection sites, and edit entries anytime. When you correct a dose or change the vial it came from, your inventory updates automatically. Manage Vials and Supplies Keep track of mixed and unmixed vials, remaining volume, blend components, bacteriostatic water, and other supplies so you always know what you have on hand. See Your Estimated Levels Visualize how each compound builds and fades over time with an estimated plasma level curve based on your logged doses and the compound's half-life. Stay on Schedule Optional reminders help you stay consistent. See taken, skipped, and missed doses at a glance, follow your week with a simple checklist, and watch your consistency build a night sky you can share. FOLLOW YOUR PROGRESS Sync Apple Health Connect Apple Health to see your weight and body measurements, blood pressure, resting heart rate, HRV, sleep, steps, active energy, and nutrition in Pulse, on the same timeline as your doses. Peptide Tracker only reads from Apple Health and asks your permission first. Connect it from Settings or from Pulse. Track Your Weight Log your weight over time, follow the trend, and see your progress alongside the protocols you're running. Compare Progress Photos Take consistent progress photos with alignment tools that help you match your framing each time. Browse your photos by month, compare any two side by side, and share the result. Review Your History Browse your complete dose history in a calendar and quickly see what you took, when you took it, and which protocol it belonged to. CONNECT WITH PEOPLE ON THE SAME COMPOUNDS Ask questions and hear from people who have actually used the compounds you're researching or tracking. Share your own experience through structured answers, reply directly to others, and continue the conversation in open threads with quotes and mentions. Everyone participates under a username rather than a real name, with reporting, blocking, and community notes built in. LEARN AND EXPLORE Browse educational content covering peptide basics and use the Peptide Assistant for general peptide information. YOUR DATA STAYS YOURS Your protocol and progress are yours. Export your data by contacting us at any time or delete your account directly from the app. BUILT FOR PEPTIDE USERS Peptide Tracker was built around the real workflows, terminology, and challenges that come with managing peptide protocols. Track semaglutide, tirzepatide, retatrutide, BPC-157, TB-500, GHK-Cu, CJC-1295, ipamorelin, NAD+, TRT, HRT, custom compounds, blends, and more. Built by peptide users, for peptide users. Peptide Tracker is for tracking and education only. Estimated plasma levels are provided for informational purposes and are not medical guidance. Peptide Tracker does not provide medical advice or replace guidance from a qualified medical professional. 100% free. No paywalls. No feature limits. Download Peptide Tracker and build your first protocol in minutes. Review our Terms of Use at https://peptidetracker.ai/terms and our Privacy Policy at https://peptidetracker.ai/privacy. Questions? Email us at hello@peptidetracker.ai

Screenshots

Peptide Stack4 screens
Peptide Tracker Log & Reminder4 screens

Verdict

The call

The clearest difference is rating: Peptide Tracker Log & Reminder at 4.9 against Peptide Stack's 4.2. Peptide Tracker Log & Reminder also leads on ads (none vs shown) and review sentiment (97% vs 67%). Peptide Stack's advantage is update cadence (daily vs every 4 days). On price, in-app purchases, monetization model and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Peptide Stack sells 2 in-app purchases, starting at $9.99 per month and Peptide Tracker Log & Reminder sells 8 in-app purchases, starting at $20.00 per year. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Peptide Tracker Log & Reminder holds the better App Store score, 4.9 against 4.2. That said, the two scores are not equally well evidenced: Peptide Tracker Log & Reminder has 2.8K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 67% of Peptide Stack's written reviews are positive against 97% of Peptide Tracker Log & Reminder's.

UpkeepUpdate frequency

Peptide Stack ships an update daily, Peptide Tracker Log & Reminder every 4 days. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

Scorecard7 real differences · 4 level
Peptide Stack versus Peptide Tracker Log & Reminder: the parameters behind the verdict, then further details
ParameterPeptide StackPeptide Tracker Log & Reminder
PriceFreeFree
Rating4.2 (5 ratings)4.9 (2.8K ratings) — better
Positive reviews66.7% of reviews96.8% of reviews — better
Number of ratings52.8K — better
Update frequencyDaily — betterEvery 4 days
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
Best chart rank—#198 — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.016.4 — better
Further details — not scored
Size13 MB87 MB
Age rating12+17+
DeveloperBrandon KingFlat Six Labs LLC

Customer experience

Peptide Stack

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Peptide Tracker Log & Reminder

All ratings2,824 ratings
Positive98.5%
Neutral0.8%
Negative0.6%
Written reviews346 reviews
Positive96.8%
Neutral0.9%
Negative2.3%

In-app purchases

2 purchases

Peptide Stack

Subscriptions2
  • Monthly Plan7 Days trial$9.991 Month
  • Annual Plan7 Days trial$49.991 Year
8 purchases

Peptide Tracker Log & Reminder

Subscriptions7
  • Founding Member$20.001 Year
  • Founding Member$30.001 Year
  • Founding Member$40.001 Year
Show 4 more
  • Founding Member$50.001 Year
  • Founding Member$60.001 Year
  • Founding Member$70.001 Year
  • Founding Member$80.001 Year
One-time1
  • Tip$5.00

Questions

Is Peptide Stack free?
Peptide Stack is free to download, with in-app purchases available.
Is Peptide Tracker Log & Reminder free?
Peptide Tracker Log & Reminder is free to download, with in-app purchases available.
Which has better reviews, Peptide Stack or Peptide Tracker Log & Reminder?
Peptide Tracker Log & Reminder is rated higher. Peptide Stack averages 4.2 out of 5 from 5 ratings, while Peptide Tracker Log & Reminder averages 4.9 from 2.8K ratings.
Do Peptide Stack or Peptide Tracker Log & Reminder have ads?
Peptide Stack shows ads; Peptide Tracker Log & Reminder does not.
Which is updated more often, Peptide Stack or Peptide Tracker Log & Reminder?
Peptide Stack ships an update daily, and Peptide Tracker Log & Reminder every 4 days. Most recently, Peptide Stack was updated on October 24, 2026 and Peptide Tracker Log & Reminder on October 31, 2026.

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