Comparison

Peptide Tracker vs Peptide Calendar

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

Head to head
About

Peptide Tracker

This app helps users manage their peptide therapy journey with smart protocol management, progress tracking, and detailed journaling. It offers intelligent analytics, a built-in AI chat assistant, and a user-focused design for optimal organization and motivation.

Highlights
  • Customizable peptide protocols
  • Automatic shot generation
  • Intelligent reminder system
  • Weight loss and muscle growth tracking
  • Detailed journal entries
  • AI chat assistant for therapy questions
Features
Read full description

PeptideKit is a no-nonsense app for anyone serious about their peptide therapy journey. Managing GLP-1 peptides or tracking any other hormone therapy is easier than ever with PeptideKit. It provides the tools you need to stay organized, motivated, and informed. Key Features • Smart Protocol Management Create custom peptide protocols with flexible scheduling (daily, weekly, bi-weekly, monthly, every X days, or custom schedules) Intelligent reminder system with local notifications Track multiple protocols simultaneously with color-coded organization • Comprehensive Progress Tracking Weight Loss Analytics: Track weight changes with detailed charts and statistics — ideal for GLP-1 tracker use cases Muscle Growth Monitoring: Log measurements and strength progress Anti-Aging Metrics: Monitor skin health, energy levels, and vitality markers Hormone Support: Track hormonal balance and related symptoms, including testosterone and other hormone levels Injury Healing: Monitor recovery progress and pain levels Energy & Performance: Log energy levels, workout performance, and stamina Cognitive Support: Track mental clarity, focus, and cognitive function • Advanced Calendar & Commitment Status Interactive calendar with color-coded Commitment status Visual overview of completed, missed, and upcoming injections Monthly Commitment tracking for all protocol frequencies Quick add functionality for manual jab entries • Detailed Journal System Create rich journal entries with dose associations Link specific injections to your daily experiences Track injection sites Search and filter through your therapy history • Intelligent Analytics 7D, 30D, 90D, and yearly progress views Statistical insights and trend analysis Progress charts with customizable date ranges Export capabilities for sharing with healthcare providers Why Choose PeptideKit? • User-Focused Design Intuitive interface designed specifically for peptide and hormone therapy Customizable themes (Light, Dark, System) iPad-optimized with full-screen sheets and navigation • Privacy & Security All data stored locally on your device • Flexibility & Customization Weight tracking in pounds or kilograms Customizable log categories based on your needs Flexible protocol scheduling options • Never Miss a Dose Smart notification system ensures you stay on track with your protocols, whether it's a daily GLP-1 jab or a weekly TRT injection. Receive timely reminders that adapt to your schedule and preferences. Get PeptideKit now — Your Complete Peptide & Hormone Therapy Companion. Medical Disclaimer: The information provided by PeptideKit is for educational purposes only and does not constitute medical advice, diagnosis, or treatment recommendations. Always consult with a qualified healthcare professional before initiating any peptide therapy protocol. Auto-renewable subscriptions EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Peptide Calendar

Manage personal peptide protocols with a clinician. Track progress, log daily check-ins, and monitor wellness trends. Includes a reference library and optional Apple Health integration.

Highlights
  • Personal protocol management
  • Schedule and check-in logging
  • In-app reminders
  • Wellness trend tracking
  • Apple Health integration
  • Peptide reference library
Features
Read full description

Peptide Calendar — Plan, Track & Reflect A private, organized place to manage the peptide protocols you choose with your clinician. Record the details you enter, follow your schedule, log completed check-ins, and review wellness trends in a calm, iPhone-first experience. FEATURES - Create and manage personal protocols using details you provide - View schedules and log completed check-ins - Set in-app reminders; external calendar sync unlocks after the first paid billing period - Track mood, energy, sleep, weight, and nutrition - Optionally connect Apple Health for permission-controlled wellness data - Browse an educational peptide reference library with general information only — no dosing or administration instructions - Sign in with Apple, Google, or email ACCESS Peptide Calendar is free to download. An active Peptide Calendar Pro subscription is required to create or import protocols, schedule injections, use in-app reminders and daily tracking, and view advanced wellness and adherence trends. If an eligible free trial is offered, those in-app features are available during the trial. External device-calendar connections and .ics export unlock after the first paid billing period begins. Subscriptions are purchased through your Apple Account and renew automatically unless canceled at least 24 hours before the end of the current period. Available plans, localized prices, and any eligible introductory offer are shown in the app before purchase. Manage or cancel subscriptions in your Apple Account settings. Restore Purchases and Redeem Offer Code are available directly from the paywall. Peptide Calendar is for educational and personal tracking purposes only. It does not provide medical advice, diagnosis, dosing, administration, or treatment recommendations. Consult a qualified healthcare professional before starting, stopping, or changing any protocol. Terms of Use: https://peptidecal.app/terms Privacy Policy: https://peptidecal.app/privacy You must be 17 or older to use Peptide Calendar.

Screenshots

Peptide Tracker4 screens
Peptide Calendar4 screens

Verdict

The call

The clearest difference is review sentiment: Peptide Tracker at 77% against Peptide Calendar's 0%. Peptide Tracker also leads on rating (4.7 vs 1.0) and ratings volume (310 vs 1). Peptide Calendar's advantage is monetization model (freemium vs subscription) and update cadence (every 3 days vs weekly). On price, ads, in-app purchases 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 Tracker sells 7 in-app purchases, starting at $3.99 per 7 days and Peptide Calendar sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Peptide Tracker holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Peptide Tracker has 310 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 77% of Peptide Tracker's written reviews are positive against 0% of Peptide Calendar's.

UpkeepUpdate frequency

Peptide Tracker ships an update weekly, Peptide Calendar every 3 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

Scorecard6 real differences · 4 level
Peptide Tracker versus Peptide Calendar: the parameters behind the verdict, then further details
ParameterPeptide TrackerPeptide Calendar
PriceFreeFree
Rating4.7 (310 ratings) — better1.0 (1 ratings)
Positive reviews77.1% of reviews — better0.0% of reviews
Number of ratings310 — better1
Update frequencyWeeklyEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscriptionFreemium — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.615.1 — better
Further details — not scored
Size36 MB45 MB
Age rating12+12+
DeveloperJamal BagaKAYU Health, A Medical Corporation

Customer experience

Peptide Tracker

All ratings306 ratings
Positive91.8%
Neutral1.0%
Negative7.2%
Written reviews83 reviews
Positive77.1%
Neutral3.6%
Negative19.3%

Peptide Calendar

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

Peptide Tracker

Reported bugs

3 issues
  • 3 weeks' data disappeared
  • Wiped all my Data
  • Notifications do not work

Requested features

1 request
  • Build a protocol with an indefinite cycling period

Peptide Calendar

Not enough reviews yet to summarise bugs or requests.

In-app purchases

7 purchases

Peptide Tracker

Subscriptions6
  • Plus Weekly$3.997 Days
  • Plus Weekly3 Days trial$5.997 Days
  • Plus Monthly$9.991 Month
Show 3 more
  • Plus Yearly3 Days trial$39.991 Year
  • Plus Yearly$39.991 Year
  • Plus Yearly$49.991 Year
One-time1
  • Plus Lifetime$69.99
2 purchases

Peptide Calendar

Subscriptions2
  • Monthly Subscription7 Days trial$9.991 Month
  • Yearly Subscription7 Days trial$79.991 Year

Questions

Is Peptide Tracker free?
Peptide Tracker is free to download, with in-app purchases available.
Is Peptide Calendar free?
Peptide Calendar is free to download, with in-app purchases available.
Which has better reviews, Peptide Tracker or Peptide Calendar?
Peptide Tracker is rated higher. Peptide Tracker averages 4.7 out of 5 from 310 ratings, while Peptide Calendar averages 1.0 from 1 ratings.
Do Peptide Tracker or Peptide Calendar have ads?
Neither Peptide Tracker nor Peptide Calendar shows ads.
Which is updated more often, Peptide Tracker or Peptide Calendar?
Peptide Tracker ships an update weekly, and Peptide Calendar every 3 days. Most recently, Peptide Tracker was updated on November 8, 2026 and Peptide Calendar on October 31, 2026.

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