Editorial · 2026 Ranking

Best TRT Tracker Apps 2026

Seven iPhone apps for men on testosterone replacement therapy — ranked honestly, including our own with full disclosure.

See the ranking

Overview

Seven apps that are actually worth installing

If you have looked at the App Store recently for a TRT tracker, you have seen at least a dozen results that all look similar. This is the ranking of seven that are actually worth installing in 2026, what each one is genuinely best at, and which one fits which use case. We make one of these apps (Calibrum). We rank it where it deserves to be ranked.

The Short Version

Best AI Hormone Coach with cited guidelines → Calibrum (our app, disclosed)
Most feature-packed pure tracker → TRT Plus
Best pure lab-scan with most biomarkers → MyTRT App
Best simple injection log → TRT Tracker
Best free option → TRT Monitor
Best for peptide users alongside TRT → OptiPin
Best pharmacokinetic education tool → TRT Pro

Detailed breakdowns below. Each section covers who the app is for, what it does well, and the honest limitations.

How we judged

What we compared

Across seven apps we evaluated the features that matter to a real TRT patient, not the features that look good on a landing page:

Medication coverage. Testosterone esters (cypionate, enanthate, propionate, undecanoate), gels (AndroGel®, Testim®, Fortesta®), pellets (Testopel®), oral (Jatenzo®, Kyzatrex®), and ancillaries (anastrozole/Arimidex®, exemestane/Aromasin®, hCG, enclomiphene).
Injection tracking. Site rotation visualizer, dose history, scheduling for IM weekly / twice-weekly / SubQ daily / alternate-day protocols.
Lab marker support. Total T, Free T, SHBG, Estradiol (sensitive assay), Hematocrit, Hemoglobin, PSA, and additional CBC/CMP markers.
Lab PDF OCR. Photograph or import a LabCorp/Quest PDF; does the app extract marker values reliably?
Free T calculator. Does it use the Vermeulen formula? Are other methods available? Is it free or paywalled?
AI coaching with citations. Can the app answer questions with cited clinical guidelines, or is it a passive log?
E2 symptom triage. Does the app surface symptom patterns against E2 lab values?
Doctor visit prep. Can you generate a PDF summary with specific questions to ask your prescriber?
Pharmacokinetic prediction. Peak-to-trough curve based on dose and frequency?
Privacy. Local-only data versus cloud-stored.
Audience framing. Clinical TRT focus versus mixed (TRT + enhanced athletes).

None of these apps prescribe medication, recommend dose changes, diagnose conditions, or replace a prescribing physician. All of them — including ours — are companion tools. We say it once and assume it for the rest of the article.

The ranking

7 TRT tracker apps for 2026

Calibrum — AI Hormone Coach with Clinical Citations (Our App, Full Disclosure)

Disclosure. Calibrum is built by Loveiko Labs — the studio publishing this article. We rank it first because that is where the AI coaching lane honestly belongs. TRT Plus has a deeper pure-tracker feature surface and a longer track record. Calibrum adds value above the tracker layer with a 24/7 AI Hormone Coach that cites clinical guidelines, an E2 symptom triage workflow, a Doctor Visit Prep PDF generator, and a permanently free Vermeulen calculator with no subscription wall. If you want maximum pure-tracker depth, install TRT Plus. If you want coaching plus tracking with cited sources, install Calibrum. Both can run on the same phone.

What it is. A TRT companion app built around a conversational AI Hormone Coach grounded in publicly available Endocrine Society 2018 clinical practice guidelines (Bhasin et al.), AUA testosterone management algorithms, AAFP TRT monographs, FDA prescribing information, and 30+ peer-reviewed studies. Every Coach reply cites its source. The tracker layer covers all common TRT medications and routes.

Best for. First-year TRT patients with lots of "is this normal" questions. Patients of telehealth TRT clinics (Hone Health, Hims, Maximus, Marek Health, TRT Nation, Defy Medical) who need an independent education layer. Long-term TRT patients struggling with E2 symptoms their prescriber dismissed. Men curious whether they are TRT candidates (free Vermeulen calculator with no paywall).

Strengths. 24/7 conversational AI Coach with cited Endocrine Society/AUA/AAFP guidance on every reply. E2 symptom triage as a workflow (pattern-matched against published high-E2/low-E2/unrelated profiles, weighted against your most recent E2 lab). Doctor Visit Prep PDF with 3–5 personalized questions auto-generated from your data. Vermeulen Free T calculator permanently free, no subscription required. Local-only data, no account.

Limitations. Newer than TRT Plus (released May 2026), smaller installed base, fewer App Store reviews. Only one Free T calculation method (Vermeulen) — TRT Plus offers four. Less mature pharmacokinetic prediction than TRT Plus's Testimator. Audience framing is strictly clinical TRT, which is a feature for patients but a limitation if you want enhanced-athlete content. Not a medical device; does not prescribe, recommend dose changes, or diagnose.

Calibrum overview on Loveiko Labs

TRT Plus — Most Feature-Packed Pure Tracker

What it is. TRT Plus is the longest-running and most feature-rich TRT app on iOS. Multi-method Free T calculation (Vermeulen plus Mazer, Södergård, Zakharov), the Testimator pharmacokinetic predictor with dynamic reference ranges, bloodwork OCR for up to 15 images at once via OpenAI vision, E2 modulator profiles for 23 compounds, responder-type classification, and pathology partner integration in the US and Australia.

Best for. Analytical users who want the deepest possible feature surface. Patients comfortable in dense data interfaces who want to cross-check Free T across multiple formulas. Users who care about peak-to-trough modeling and responder classification.

Strengths. Four Free T calculation methods. Testimator PK predictor. E2 modulator knowledge base with 23 research-backed entries citing Bhasin et al. (2018), Sniderman et al. (2021), and other peer-reviewed sources. Bulk lab upload (up to 15 images). Pathology partner integration. Large installed base since 2023.

Limitations. The breadth of features makes it less approachable for new TRT patients who just want a clean injection log and a coach. No 24/7 conversational AI Coach in the same way Calibrum has — TRT Plus has an excellent knowledge base and AI correlations, but it is more reference-oriented than conversational. Audience framing skews toward "TRT + enhanced athletes" rather than strictly clinical TRT.

TRT Plus on the App Store

MyTRT App — Best Pure Lab Scanner (55+ Biomarkers)

What it is. MyTRT App (App Store ID 6745529127) launched in 2025–2026 with the strongest pure lab-scan feature in the category. AI scans extract 55+ biomarkers across testosterone, CBC, metabolic, thyroid, liver, kidney, and electrolyte panels. Glassmorphism "Gentleman" UI theme. Daily wellness check-ins with energy/mood/libido/sleep scoring.

Best for. Users who care about comprehensive bloodwork tracking beyond the standard TRT panel — full metabolic, thyroid, lipid, kidney function. Patients who want home-screen widgets showing next dose and latest lab snapshot. Users who enjoy a polished daily-engagement UX.

Strengths. 55+ biomarker support — the deepest of any TRT app. AI lab scans powered by Gemini with reference range bands and per-marker trend charts. Pharmacokinetic predicted testosterone curve with adjustable half-life. Dose calendar heatmap. Apple Calendar integration for reminders.

Limitations. No deep conversational AI Hormone Coach. No E2 symptom triage workflow. Free tier limited to one vial and one supplement; full feature surface requires subscription. Free scan limit (5 per month on free tier).

MyTRT App on the App Store

TRT Tracker — Best Simple Injection Log

What it is. TRT Tracker (App Store ID 6747364258) is the no-frills injection tracker that does the basics well. All TRT methods supported (injections, gels, patches, pellets, oral). Visual body map for site rotation. Custom reminders. Marker tracking for Total T, Free T, SHBG, E2, PSA, Hematocrit. Correlation analysis between protocol adjustments and bloodwork changes.

Best for. Users who want a clean, focused injection log without AI features, coaching, or analytical depth. Patients who track on paper now and want a simple digital replacement. Privacy-conscious users who do not want to register an account.

Strengths. Clean focused UX. Multi-route support. Visual body map. Reliable reminders. Honest reference-range tracking.

Limitations. No AI Coach. No lab PDF OCR. No E2 triage. No Free T calculator. No doctor-visit PDF prep. Designed as a tracker, not a coach.

TRT Tracker on the App Store

TRT Monitor — Best Free Web-Based Tracker

What it is. TRT Monitor (trtmonitor.com) is a free web app built for TRT. Logs injections, daily symptoms (energy, mood, libido, sleep), and blood test results with reference ranges. The standout feature is the shareable PDF report you can send to your prescriber.

Best for. Users who want a completely free option with no paywall and no subscription. Users who prefer a web app accessible from any device over a native iOS app. Users whose primary goal is the shareable doctor report.

Strengths. Free with no premium tier. Web-based, works on any device. Solid blood-test tracking with reference ranges. Symptom correlation analysis. Shareable PDF reports.

Limitations. No native iOS app, which means no Apple Health integration and no widgets. No AI Coach. No lab PDF OCR. Simpler injection tracking compared to TRT Plus or MyTRT App.

trtmonitor.com

OptiPin — Best for Peptide Users Alongside TRT

What it is. OptiPin is the most peptide-friendly app in the category. Tracks TRT alongside peptides (BPC-157, TB-500, ipamorelin, others) and GLP-1 medications, with a visual injection site map, dosage calculators, and inventory management.

Best for. Users running peptide protocols alongside TRT and wanting one app to handle both. Inventory-conscious users who want to track remaining vials and expiration dates. Users who want dosage calculators across multiple compounds.

Strengths. Multi-compound support (TRT, peptides, GLP-1). Strong dosage calculator suite. Inventory and expiration tracking. Visual injection site map across compound types.

Limitations. Less focused on the clinical TRT use case specifically. No AI Hormone Coach. No E2 symptom triage. Peptide use is largely an off-label/grey area in regulatory terms — OptiPin serves this audience well, but users should understand the legal context of peptides in their jurisdiction.

optipin.app

TRT Pro — Best Pharmacokinetic Education Tool

What it is. TRT Pro (App Store ID 6462788647) is an educational tool with strong pharmacokinetic modeling — what your enanthate or cypionate is doing as levels fall between injections, plus a "try a new dose" simulator that shows what your levels would be if you change protocols. All methodology disclosed and backed by physician- or university-reviewed pharmacokinetic equations.

Best for. Users who want to understand the math of testosterone PK before changing protocols. Patients considering a switch from weekly to twice-weekly injection schedules who want to see the predicted level curve. Educational-focused users.

Strengths. Disclosed pharmacokinetic methodology. Solid level prediction simulator. Educational focus.

Limitations. Less comprehensive than TRT Plus for full tracking. No conversational AI Coach. Smaller feature surface overall.

TRT Pro on the App Store

Decision guide

Pick by scenario

Your situation	Best pick
First three months on TRT, lots of "is this normal" questions	Calibrum — AI Hormone Coach with cited guidelines at 11 p.m.
Excel jockey who wants peak-to-trough modeling across protocols	TRT Plus — Testimator with dynamic reference ranges
Just want to log injections and not pay anything	TRT Monitor — free web app
Want the deepest possible biomarker tracking (55+ markers)	MyTRT App — most comprehensive lab scanner
Want one app for TRT + peptides + GLP-1	OptiPin — multi-compound dose calculator
Just want to check Free T for free with no subscription	Calibrum — Vermeulen permanently free tier
Struggling with E2 symptoms but lab "looks fine"	Calibrum — E2 symptom triage workflow
Want a clean simple injection log, no AI, no analytics	TRT Tracker — focused single-purpose
Switching from cypionate weekly to twice-weekly and want to model it	TRT Pro or TRT Plus — PK simulation
Need a structured PDF for your urology appointment	Calibrum — Doctor Visit Prep with personalized questions
Telehealth TRT patient (Hone, Hims, Maximus, Marek, TRT Nation, Defy)	Calibrum — built for this audience specifically
Want to cross-check Free T across multiple equation methods	TRT Plus — 4 formulas (Vermeulen + Mazer + Södergård + Zakharov)

About this ranking

Why we ranked our own app first

Honest listicles that put the publisher's product at #1 without explanation are not honest listicles. We rank Calibrum first specifically for the AI coaching lane — 24/7 conversational coaching with cited Endocrine Society and AUA guidelines is the feature we built and the feature that earns this position. TRT Plus has a longer track record, a deeper feature surface, and a larger installed base in the TRT community. If you want maximum pure-tracker depth, TRT Plus is the right answer. If you want coaching plus tracking with cited sources, Calibrum is. Both can run on the same phone, and many users do.

What none of these apps do — worth stating clearly. None of these apps — including ours — prescribe medication, recommend dose changes, diagnose conditions, or replace a prescribing physician. They are companion tools, useful between quarterly appointments. The decisions about starting, continuing, titrating, or stopping testosterone, anastrozole, hCG, or any ancillary belong to you and your prescriber.

Testosterone is a Schedule III controlled substance in the United States. The use cases described above assume legally prescribed TRT under physician supervision. We do not support, normalize, or provide guidance for unprescribed testosterone use, grey-market sourcing, or off-label cycling.

For severe symptoms — chest pain, severe testicular pain, signs of a blood clot, severe allergic reaction, hematocrit elevation above 54%, significant PSA velocity — call your prescriber or 911 immediately. For mental health crisis or suicidal thoughts, call or text 988 (Suicide and Crisis Lifeline).

Try Calibrum — the AI Hormone Coach built for TRT patients.

Learn about Calibrum

Free Vermeulen calculator · AI Coach with cited guidelines · Doctor Visit Prep PDF · Local-only data

Independent ranking — editorial disclosure. This article is published by Loveiko Labs. We make Calibrum, which appears at #1 in this ranking with full disclosure. We are not affiliated with TRT Plus, MyTRT App, TRT Tracker, TRT Monitor, OptiPin, TRT Pro, or their developers. Information about other apps is summarized from publicly available marketing materials as of May 2026 and may have changed since publication.

Not medical advice. This content is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Calibrum and all other apps listed are educational companion tools, not medical devices. None of these apps prescribe medication, recommend dose changes, diagnose conditions, or replace your prescribing physician. Always consult your physician or other qualified healthcare provider with any questions you may have regarding a medical condition or treatment.

Controlled substance notice. Testosterone is a Schedule III controlled substance in the United States. All use cases described assume legally prescribed TRT under physician supervision.

Emergency guidance. For severe symptoms — chest pain, severe testicular pain, signs of a blood clot, severe allergic reaction, hematocrit elevation above 54%, significant PSA velocity — call your prescriber or 911 immediately. For mental health crisis or suicidal thoughts, call or text 988 (Suicide and Crisis Lifeline).

Trademark notice. AndroGel® is a trademark of AbbVie Inc. Testim® and Fortesta® are trademarks of Endo Pharmaceuticals. Testopel® is a trademark of Auxilium Pharmaceuticals. Jatenzo® is a trademark of Clarus Therapeutics. Kyzatrex® is a trademark of Marius Pharmaceuticals. Arimidex® is a trademark of AstraZeneca. Aromasin® is a trademark of Pfizer. All other brand and product names are used nominatively to identify the products being compared and remain the property of their respective owners. Loveiko Labs is not affiliated with, endorsed by, or sponsored by any of the third-party app developers or pharmaceutical companies named in this article.