Onboarding
14 answers. Your starting point.
Use your body and lifestyle answers to establish Starting—the reference you can return to as your habits change.
DR. TESTO APP FEATURES
Everything the Dr. Testo app helps you do
Estimate your starting testosterone, follow a personal protocol, understand today’s impact, compare future scenarios, and track long-term progress.
App preview · 1.2.0These screens preview version 1.2.0, currently in App Review. Version 1.1.0 is available now; Apple Watch support is coming with the update.
Understand your starting point
14 answers. Your starting point.
Use your body and lifestyle answers to establish Starting—the reference you can return to as your habits change.
Home
See what changed today.
Home separates Today’s Impact from Base Change in a factor-by-factor What Moved Today table.
Personalization
Know what to focus on.
Five Core habits anchor your plan. Starting blockers and profile-ranked Advanced suggestions show where to look next.
Follow the plan
Follow five Core habits.
Sleep, resistance training, diet, stress, and body composition form your foundation. Record daily actions in one place; update body composition when a check-in is due.
Protocol
One place to record your day.
Log honest answers, including Not Taken or Not Done. The RECORDED counter tracks entries, not perfect days.
Protocol
Preview an option before adding it.
Browse 36 factors. Each guide explains the evidence, Profile Match, and modeled contribution to your current protocol.
Protocol
Compare two future paths.
See Core and Core + Added Advanced at Day 30, 60, 90, 180, and 365. Open the totals to understand their contributions.
Progress
See your trend. Keep your milestones.
Switch time ranges, compare Base with Starting, and review your personal best and earned milestones.
See the app screens
From your first estimate to daily progress.
The app guides you through five clear steps.
More than a daily number
See the progress behind your Base.
Your history, starting blockers, and earned milestones each answer a different question.
Work through your starting blockers
See the habits flagged at the start and follow their observed improvement. Progress is not a fixed-day countdown.
Keep your earned milestones
Your highest recorded Base sets your personal record and milestones. A lower day does not erase what you reached.
Return without starting over
After a long gap, 21+ Day Update refreshes missing information while keeping your original Starting point and history.
Coming in 1.2.0
Your daily plan, closer at hand.
Preview the companion experience: record on your wrist and check key information from your screen.
Log from Apple Watch
After setup on iPhone, record daily Core answers and selected Advanced actions on your watch. View the latest synced Base, Today, and progress without opening the phone app.
Initial setup, adding factors, and subscriptions stay on iPhone. Automatic Apple Health tracking is not included.
See your day in a widget
Choose Base, Today, Progress, or Protocol views. See your recorded count and open the relevant app screen with a tap.
Widgets display app snapshots; they do not record actions or calculate new results in the background.
Understand the calculation
Layered math, without a black-box score
The exact coefficients stay protected, but the logic is visible: what enters, how it changes over time, where limits apply, and which scenario is being compared.
Time-aware, bounded calculation
Each factor can use its own adaptation speed, remaining headroom, and shared limits instead of one flat bonus.
67 publications linked inside the app
Open the research behind the Home reference, your active protocol, Progress, or an individual Advanced factor.
Local-first core
Keeps the central assessment, calculation, protocol, and history usable without a custom account dependency.
PERSONAL STATE
→RESEARCH MAP
→TIME-AWARE MODEL
→ACTION
Every feature answers one practical question.
Where am I starting? What should I do? What changed today? Where could this plan take me? Is my long-term direction improving?
Explore the MethodGet Dr. Testo
Download on theApp StoreAvailable now
Dr. Testo is available now for iPhone and iPad. Android is in development.Coming toGoogle PlayAndroid in development