Comparison

Peptide Tracker Calculator vs Peptide Library and Tracker

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

Head to head
About

Peptide Tracker Calculator

This app helps manage peptide, GLP-1, and TRT medications. It offers calculators for reconstitution, dose scheduling, reminders, and detailed logging. Track inventory, monitor adherence, and visualize health insights with trend charts and medication level analysis.

Highlights
  • Reconstitution and multi-peptide blend calculators
  • GLP-1 and TRT medication presets
  • Customizable dose schedules and reminders
  • Injection logging with adherence tracking
  • Medication and supply inventory management
  • Biometric and trend charting for health insights
Features
Read full description

PeptideCalc.io is a private peptide, GLP-1, TRT, and medication protocol tracker with calculators for user-entered reconstitution values, syringe units, schedules, reminders, dose logs, inventory tracking, insights, exports, and optional iCloud sync. CALCULATORS & TRACKING • Reconstitution calculator for custom vial values you enter • Syringe-unit and concentration tools for custom vials, premixed vials, injector pens, oral meds, liquid meds, and IU workflows • Multi-compound support with proportional unit conversions • Reference presets for common GLP-1, TRT, hormone, peptide, and supplement workflows • Common syringe formats including U-100, U-50, U-40, U-30, and 1-5 mL Luer-Lock options • Visual syringe guide based on your entered vial, concentration, and amount values • Save protocols and reuse your own entered details PROTOCOLS & SCHEDULES • Save, duplicate, favorite, search, and sort protocols and schedules • Inline edits with instant updates • Create schedules from saved protocols with start and end dates • Multiple times per day with flexible cadences: daily, weekdays, every N days/weeks, monthly, or cycling windows • Titration planning tools for schedules you define • Multiple schedules per protocol, color-coded and sortable • Dose reminders with optional time-sensitive notifications CALENDAR, LOGGING & INVENTORY • Calendar view plus pending doses list • Log scheduled or as-needed doses with injection site, method, notes, and timestamps • Custom injection sites with last-used hints • Mark doses done, missed, or skipped • Adherence metrics, streaks, and protocol filters • Track vials, pens, pills, liquids, and syringe supplies • Runout estimates and low-stock alerts based on your schedules or logs INSIGHTS • Biometrics dashboard for weight, body composition, sleep, heart rate, blood pressure, glucose, labs, mood, energy, hunger, libido, recovery, and custom metrics • Manual entries and optional Apple Health import • Trend charts with 7/30/90/180/365-day views • Dose overlay charts for comparing your logged doses, schedule changes, and biometric trends • Half-life and medication-level charts based on your saved protocol data • Protocol filters and summaries to compare trends over time BACKUP, SYNC & SHARING • Optional iCloud sync across devices • Automatic local backups with restore points • Import backups for protocols, schedules, logs, injection sites, inventory, and insights data • Export protocols, schedules, logs, and dose history to JSON, CSV, or PDF PERSONALIZE • Dark, light, system, or many custom themes • Locale-aware decimal input and haptic feedback • Celebration effects for consistency milestones • Use offline without an account; iCloud sync optional PRIVACY • Use without creating an account • Personal tracking data stays on device unless you enable iCloud sync • Apple Health imports stay on device Important: PeptideCalc.io is an informational utility only. It does not diagnose conditions, prescribe treatment, recommend medications, recommend dosages, choose schedules, or determine whether any dose is appropriate. Always verify values independently and consult a qualified healthcare professional before making medical decisions.

About

Peptide Library and Tracker

This app serves as a comprehensive guide and lab assistant for peptide research. It offers a detailed peptide library, dose calculation tools, and advanced tracking features for logging, inventory management, and protocol adherence. Users can also access educational content and community Q&A to enhance their research workflow.

Highlights
  • Comprehensive Peptide Library & Database
  • Advanced Peptide Dose Calculator
  • Smart Tracking & Calendar View
  • Lab Inventory Management
  • Protocol Tracking & Lab Assistant
  • Integrated Peptide Education
Features
Read full description

Peptide Tracker and Library The all-in-one peptide calculator, peptide tracker, and research library for protocols, inventory, and precise dosing. Calculate, log, and stay consistent — in one research tool. PEPTIDE CALCULATOR Convert mg, mcg, and IU. Calculate reconstitution, vial concentration, injection volume, and multi-peptide stacks. Save recent calculations for the next session. PEPTIDE TRACKER Log every dose with time and notes. Set schedules and reminders. Use the calendar to review cycles, streaks, and missed doses. Track symptoms and journal entries alongside each protocol. INVENTORY See how much is left in each vial, capsule, or spray. Get low-stock and reorder alerts. Inventory updates when you log a dose. RESEARCH LIBRARY Browse a peptide database with protocols, mechanisms, reconstitution notes, PubMed references, and molecular data. Open Peptide School courses, guides, and FAQs when you want structured learning. VENDOR PRICES Search supported vendors, compare price per mg, check stock, and unlock available discounts — without leaving the app. PROGRESS Log weight, body composition, and progress photos. Charts show how your research notes change over time. BUILT FOR RESEARCH WORKFLOWS Fast search. Offline use. Optional account sync. Local-first storage. For research and educational purposes only. Not medical advice. Not for human consumption. Consult a qualified professional before any protocol. Subscription Information Pro Monthly — $5.99/month Pro Yearly — $49.99/year Subscription auto-renews unless turned off 24 hours before the end of the current period. Manage subscriptions in your App Store account settings. Privacy Policy: https://peptidelibrary.app/privacy EULA: https://peptidelibrary.app/terms

Screenshots

Peptide Tracker Calculator4 screens
Peptide Library and Tracker4 screens

Verdict

The call

The clearest difference is price: Peptide Library and Tracker at Free against Peptide Tracker Calculator's $4.99. Peptide Library and Tracker also leads on iOS requirement (16.4 vs 18.6). Peptide Tracker Calculator's advantage is in-app purchases (none vs 2) and review sentiment (99% vs 86%). On rating, update cadence, ads and monetization model 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

Peptide Library and Tracker is free to download; Peptide Tracker Calculator costs $4.99 up front. Peptide Library and Tracker sells 2 in-app purchases, starting at $4.99 per month. Peptide Tracker Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Peptide Tracker Calculator holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Peptide Tracker Calculator has 252 ratings behind it against 25, so its average is the more settled of the two. Written reviews point the same way: 99% of Peptide Tracker Calculator's written reviews are positive against 86% of Peptide Library and Tracker's.

UpkeepUpdate frequency

Peptide Tracker Calculator ships an update weekly, Peptide Library and Tracker every 10 days. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

Scorecard6 real differences · 5 level
Peptide Tracker Calculator versus Peptide Library and Tracker: the parameters behind the verdict, then further details
ParameterPeptide Tracker CalculatorPeptide Library and Tracker
Price$4.99Free — better
Rating4.9 (252 ratings) — better4.7 (25 ratings)
Positive reviews99.1% of reviews — better85.7% of reviews
Number of ratings252 — better25
Update frequencyWeekly — betterEvery 10 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
Best chart rank#13 — better—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.616.4 — better
Further details — not scored
Size37 MB78 MB
Age rating4+17+
DeveloperWild Monkey Labs, LLCSuperfime LLC

Customer experience

Peptide Tracker Calculator

All ratings210 ratings
Positive98.1%
Neutral0.5%
Negative1.4%
Written reviews111 reviews
Positive99.1%
Neutral0.9%
Negative0.0%

Peptide Library and Tracker

All ratings25 ratings
Positive92.0%
Neutral4.0%
Negative4.0%
Written reviews7 reviews
Positive85.7%
Neutral14.3%
Negative0.0%

In-app purchases

None

Peptide Tracker Calculator

No in-app purchases

2 purchases

Peptide Library and Tracker

Subscriptions2
  • Peptide Library Pro Monthly7 Days trial$4.991 Month
  • Peptide Library Pro Yearly7 Days trial$39.991 Year

Questions

Is Peptide Tracker Calculator free?
Peptide Tracker Calculator costs $4.99, with no in-app purchases.
Is Peptide Library and Tracker free?
Peptide Library and Tracker is free to download, with in-app purchases available.
Which has better reviews, Peptide Tracker Calculator or Peptide Library and Tracker?
Peptide Tracker Calculator is rated higher. Peptide Tracker Calculator averages 4.9 out of 5 from 252 ratings, while Peptide Library and Tracker averages 4.7 from 25 ratings.
Do Peptide Tracker Calculator or Peptide Library and Tracker have ads?
Neither Peptide Tracker Calculator nor Peptide Library and Tracker shows ads.
Which is updated more often, Peptide Tracker Calculator or Peptide Library and Tracker?
Peptide Tracker Calculator ships an update weekly, and Peptide Library and Tracker every 10 days. Most recently, Peptide Tracker Calculator was updated on October 28, 2026 and Peptide Library and Tracker on October 24, 2026.

Other comparisons