Now in early access
APEX Performance OS

The OS for
elite athletes.

Most athletes track in silos. APEX connects your bloodwork, training, sleep, and cycle data so you can finally see what's actually moving the needle — and what isn't.

Start free trial → See what's inside

No credit card required  ·  Pro from $35/mo  ·  7-day free trial

📲 Download App iOS · Android · Desktop
APEX AI insights screen APEX cross-correlation chart screen APEX dashboard — real screenshot showing bodyweight, steps, sleep, HRV, cycle week, training consistency, and readiness
Actual app screenshots — not mockups
Sound familiar?

You're already training hard.
You just can't see what's working.

🧩
Data in five apps
Training in one app, labs in a PDF, sleep in a ring app, cycle notes in your phone. Nothing talks to each other.
No idea what's working
You changed your training, diet, and cycle all at once. Which one actually moved the needle? No way to know.
🩸
Bloodwork you forget about
Labs get uploaded once and filed away — never looked at again until the next draw, if then.
🎲
Guessing, not tracking
Progress feels random because you're seeing isolated data points, not trends across everything you log.
Nick DePietro, founder of APEX Performance OS — competitive bodybuilder and chemical engineer
🏆 Pro Bodybuilder
& Chemical Engineer

Built by someone
in the arena.

I'm Nick — competitive bodybuilder, chemical engineer, and coach. I built APEX because I was tired of juggling five different apps to track training, labs, compounds, and recovery. Nothing talked to each other, so nothing ever showed me the full picture.

APEX is the tool I wish existed when I started competing — built for athletes who take their data as seriously as their training.

🏆 Pro Bodybuilder 🧪 Chemical Engineer 📋 Physique Coach
Features

Everything in one OS.
Nothing you don't need.

APEX correlates your bloodwork, training, sleep, and compounds so you can see what's actually working — real screens below, not stock photos.

APEX correlation chart with training, bloodwork, and cycle overlays toggled on
Cross-data correlation
See exactly what's driving your results.
Toggle any combination of training volume, bodyweight, sleep, bloodwork markers, cycle compounds, and side effects onto one chart — then get an AI summary of specifically what you've plotted, not a generic wellness readout.
Overlay any metric against any other
AI insight scoped to exactly what's on your chart
Bloodwork markers plotted alongside training & recovery
APEX cycle tracker showing today's injectable AAS log with doses and sites
Cycle tracker
Every compound, dose, and injection — tracked to the day.
Log injectable AAS, orals, peptides, and ancillaries with dose, frequency, and route. APEX auto-schedules EOD injections and keeps a full history of every dose change instead of overwriting it.
Gantt timeline across your whole cycle
Dose-change history — never lose what changed and when
Injection calendar with reminders
APEX weekly training volume and muscle heat map
Workout logger
Programmed sets, tracked to muscle failure.
Set-by-set logging with automatic PR detection, a muscle heat map showing exactly where you're under or over your weekly volume targets, and AI session advice based on your real training history.
Muscle heat map — under/over MEV-MRV at a glance
Automatic PR detection on every set
AI-built mesocycles with per-muscle volume targets
APEX AI insights across bloodwork, training, sleep, and cycle data
APEX AI
One AI. Every data point you've logged.
Ask anything — APEX AI has full context across your bloodwork, training, sleep, compounds, and body comp. No copy-pasting your history into a chatbot and hoping it remembers.
Full-context answers, not generic fitness advice
Lab interpretation grounded in your actual markers
Protocol and programming adjustments based on real trends
APEX wearable integrations screen showing Oura Ring, Whoop, and Fitbit connected
Wearable integrations
Your ring or strap, feeding straight into your dashboard.
Connect Oura Ring, Whoop, or Fitbit and APEX pulls sleep, HRV, recovery, and activity data automatically — no manual logging, and it's already correlated against your training, cycle, and bloodwork.
Oura Ring, Whoop, and Fitbit supported
Sleep, HRV, recovery/readiness, and strain synced daily
Auto-correlated with training load and cycle data — no extra work
Also built in
🩸
AI Bloodwork Parser
Upload any lab PDF — LabCorp, Quest, BayCare. AI extracts every marker, flags abnormals, tracks trends across draws.
AI powered
😴
Sleep Tracking
Perceived score + hours, bedtime/wake tracking, weekly trend analysis, and AI insight correlating sleep to your compounds.
Correlation AI
📈
Body Composition
Weight + BF% trending with photo uploads, progress comparisons, and automatic change tracking over time.
Photo progress
See it in action

Real screens.
Real data.

No stock photos, no mockups pretending to be a product. This is the actual app — training, correlation, coaching, and AI insights working together.

APEX daily dashboard overview APEX weekly training volume and muscle map APEX AI insights APEX cross-correlation charts APEX compound and injection log APEX coach dashboard

Built for athletes who
track everything.

🏋️
Enhanced athletes
Managing compounds, monitoring bloodwork quarterly, tracking how your stack affects performance markers, sleep, and body comp over time.
🔬
Data-driven lifters
You want to know if your sleep is actually affecting your lifts. If your liver enzymes are trending up. If this cycle is working better than the last.
⚕️
TRT / HRT patients
Track your protocol, upload labs after every draw, monitor hematocrit, ferritin, PSA and other key markers over months and years.
🏆
Competitive athletes
Peak week tracking, pre-contest body comp logging, training load monitoring, and coach collaboration all in one platform.
Pricing

Simple, transparent pricing.

Start with a 7-day free trial. Upgrade to keep access.

Free Trial
$0
7 days — no card required
  • Workout logger & history
  • Body comp, sleep & diet logging
  • Bloodwork entry & lab PDF parser
  • Basic cycle tracking
  • 2 progress photos / day (30-day storage)
  • No AI Insights or AI chat
  • No bloodwork trends or correlation
  • No injection calendar
  • No coach collaboration
Start free trial →
Annual
$350
per year — save $70 vs monthly
  • Everything in Pro
  • 2 months free vs monthly
  • Early access to new features

Your clients.
All their data.
One dashboard.

Stop chasing screenshots. APEX gives coaches a dedicated view into every client's bloodwork, training, sleep, and cycle data — updated in real time. Message clients, send workout plans, and track their progress all in one place.

View all client modules from one dashboard
In-app messaging with text, video, and file support
Earn recurring credit for every client you refer
Early access — coach program launching now
See coach pricing ↓
Sign up instantly — no application, start coaching today.
Nick DePietro, APEX founder and coach Seth Marcum, APEX coach
Nick DePietro & Seth Marcum
Competitive bodybuilders coaching real clients on APEX
Coach Dashboard
Your clients
JM
Jake M.
Labs due · W8 of cycle
⚠ Review labs
AR
Alex R.
PR last session · Sleep 82%
On track
TK
Tyler K.
Sleep avg 58% · W12 of cycle
Check in
Coach pricing

Sign up. Invite clients.
Start coaching today.

No application, no waiting on approval. Invite your clients from your dashboard and they create a free account under you — you're only ever billed for who's actively connected.

6 Month
$350
billed once, every 6 months
  • Full coach dashboard for every client
  • In-app messaging — text, video, files
  • Send workout & meal plans
  • Build client cycles & supplement plans
  • Review check-ins and more
  • Coach-run forum for your clients
  • Custom intake forms
  • Broadcast messages to all clients
  • Clients sign up free under you
Create your account, then checkout with Stripe
Plus a per-client fee — $4/client/month up to 50 clients, then $2/client/month at 51+. Billed monthly based on active clients only; your clients themselves never pay.

Start tracking what
actually matters.

Join athletes using APEX to correlate their data and optimize performance.

Create your free account →