Trough - TRT Tracker

Private, on-device TRT tracking: model your levels with PK curves, log bloodwork and doses, and export a doctor-ready PDF for your next appointment. No account, no cloud.

Track TRT injections, testosterone levels, bloodwork, and peptides — all in one private app.

Trough is the offline-first tracker for men on testosterone replacement therapy and hormone therapy. Log every shot, follow your estimated levels between doses, and know your Protocol Score in 7 days.

TRACK YOUR PROTOCOL • Log injections with dose, site rotation, and compound • Full support for Testosterone Cypionate, Enanthate, Propionate, Undecanoate, and multi-ester stacking • Track GLP-1s (Semaglutide, Tirzepatide), peptides, and ancillaries (Anastrozole, hCG, and more) • Injection-day reminders so you never miss a dose

DAILY WELLNESS CHECK-IN • Rate energy, mood, libido, sleep quality, and mental clarity in 30 seconds • Builds your personal Protocol Score — a single number that shows how your protocol is working • Track trends over time as you dial in your routine

PK CURVES (Pro) • Real pharmacokinetic modeling using the Bateman equation with absorption delay • Estimated peak, trough, and current levels with confidence bands

BLOODWORK TRACKING (Pro) • Log lab results — total and free testosterone, estradiol (E2), and more — with custom reference ranges • Visual trends with color-coded bands

PEPTIDES & ADJUNCTS (Pro) • Track peptides, GLP-1 agonists, and ancillary compounds • Correlate them with your wellness metrics and bloodwork

EXPORT & SHARE (Pro) • Export check-in and bloodwork data as CSV • Generate a doctor-visit PDF report to bring to your next appointment

PRIVATE BY DESIGN • 100% on-device. No account, no cloud, no tracking. • Your data never leaves your iPhone

Start your 3-day free trial to unlock all Pro features. Cancel anytime.

Trough Pro is an auto-renewing subscription. Payment is charged to your Apple ID and renews automatically unless canceled at least 24 hours before the end of the period. Manage or cancel in Settings.

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