Comparison

TRT Plus 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

TRT Plus

This app helps TRT and enhanced athletes meticulously track their protocols, manage medications, and analyze bloodwork with advanced pharmacokinetic modeling and tailored reference ranges for optimization.

Highlights
  • Protocol dashboard
  • Compound plotter charts
  • Bloodwork analysis
  • Medication reminders
  • Injection rotation planning
  • Inventory tracking
  • Pharmacokinetic modeling
Features
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Hormone optimization. Understood. The framework for TRT and enhanced protocols. At a glance: a protocol planner built to replace your spreadsheets and notes. Under the hood: a full hormone optimization platform with AI-powered bloodwork analysis, advanced pharmacokinetic modeling, and a knowledge base covering everything from TRT fundamentals to peptides and advanced enhanced protocols. See the full framework at trtplus.app NOT A LOGGING APP. A COMPLETE FRAMEWORK. From ordering the right bloodwork through TRT Plus pathology partners, to interpreting your results, dialing in with the Testimator™, and adjusting your protocol — every feature exists to close that loop. Order → Interpret → Dial In → Adjust → Repeat. MY PROTOCOL — Daily Dashboard: your full schedule at a glance — checkboxes, visual syringe, injection stacking — 100+ pre-configured compounds: anabolics, TRT ancillaries, peptides, GLPs, SARMs, Supp Stacks — one tap to add — Dose Titration: set automatic ramping and tapering plans for any compound — Peptide reconstitution calculator — enter dry powder, bac water calculates automatically — Pharmacokinetic charting: the only TRT app with a true multi-route PK model — injectables, orals, peptides, and testosterone cream — Peak-to-trough T level fluctuation modeling based on your exact protocol — see the swing, not just the average — Frequency Tuning: detects when your peak-to-trough swing is higher than it needs to be and suggests the most practical schedule to smooth it — Rotation Planner: set your sites once, the app forecasts the sequence — Testosterone cream with Topi-CLICK® interface and site-specific absorption modeling — Inventory management with advance reorder notifications — Two modes: Classic for straightforward TRT, Advanced for the full enhanced stack MY BLOODWORK — Automated OCR scanning — upload any photo or screenshot, markers extract automatically — Enhanced reference ranges calibrated for TRT and enhanced athletes, not the general population — Reference ranges that move with your health — the Cardio-Metabolic Cascade feeds your cardiovascular markers into a personalized testosterone ceiling — Hormonal balance scored against your true androgenic load using exclusive DHT receptor potency and paracrine amplification model — Biomarker Score: a weighted composite across 15 markers — hormones, cardiovascular, liver, kidney, hematology — Free T via four methods: Vermeulen, Mazer, Södergård, and Zakharov — exclusive to TRT Plus, and the only model accurate at supra-physiological levels — AI Bloodwork Report: 8 sections interpreting your results alongside your active protocol in context — Pathology partner integration for athlete-specific panels: ApoB, Cystatin C, GGT (region dependent) THE TESTIMATOR™ Predict your testosterone response across any protocol before you run it — anchored to your actual bloodwork, not a population average. Understand the shape of your response. KNOWLEDGE BASE 100+ topics across 15 categories. 150+ studies cited. Zero generic AI content. Every biomarker and recommendation covered with the depth for someone actually running a protocol. THE BUILD Built by an application engineer with 25 years of experience — and on TRT — in collaboration with TRT clinics, coaches, and pathology partners. Grounded in de-identified data from thousands of real-world TRT patient results. Not a general health app retrofitted. Built from the ground up for this population. Charted #2 in App Store Health & Fitness · Top Paid TRT App Full feature breakdown, screenshots, and the engine behind it all: trtplus.app

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
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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

TRT Plus4 screens
Peptide Library and Tracker4 screens

Verdict

The call

The clearest difference is rating: Peptide Library and Tracker at 4.7 against TRT Plus's 3.9. Peptide Library and Tracker also leads on monetization model (free vs paid) and update cadence (every 10 days vs monthly). On price, ratings volume, ads and in-app purchases 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. TRT Plus sells 1 one-off in-app purchase and Peptide Library and Tracker sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Peptide Library and Tracker holds the better App Store score, 4.7 against 3.9. Both are backed by a comparable volume of ratings — 17 and 25 respectively. Written reviews point the same way: 72% of TRT Plus's written reviews are positive against 86% of Peptide Library and Tracker's.

UpkeepUpdate frequency

TRT Plus ships an update monthly, Peptide Library and Tracker every 10 days. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

Scorecard4 real differences · 6 level
TRT Plus versus Peptide Library and Tracker: the parameters behind the verdict, then further details
ParameterTRT PlusPeptide Library and Tracker
PriceFreeFree
Rating3.9 (17 ratings)4.7 (25 ratings) — better
Positive reviews72.2% of reviews85.7% of reviews — better
Number of ratings1725 — better
Update frequencyMonthlyEvery 10 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationPaidFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better16.4
Further details — not scored
Size60 MB78 MB
Age rating12+17+
DeveloperNathan SouthernSuperfime LLC

Customer experience

TRT Plus

All ratings17 ratings
Positive70.6%
Neutral0.0%
Negative29.4%
Written reviews18 reviews
Positive72.2%
Neutral5.6%
Negative22.2%

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

1 purchases

TRT Plus

One-time1
  • TRT Plus Pro Lifetime$29.99
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 TRT Plus free?
TRT Plus is free to download, with in-app purchases available.
Is Peptide Library and Tracker free?
Peptide Library and Tracker is free to download, with in-app purchases available.
Which has better reviews, TRT Plus or Peptide Library and Tracker?
Peptide Library and Tracker is rated higher. TRT Plus averages 3.9 out of 5 from 17 ratings, while Peptide Library and Tracker averages 4.7 from 25 ratings.
Do TRT Plus or Peptide Library and Tracker have ads?
Neither TRT Plus nor Peptide Library and Tracker shows ads.
Which is updated more often, TRT Plus or Peptide Library and Tracker?
TRT Plus ships an update monthly, and Peptide Library and Tracker every 10 days. Most recently, TRT Plus was updated on October 15, 2026 and Peptide Library and Tracker on October 16, 2026.

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