Private by design

Piri:
Peptide Tracker.

Piri is a private peptide tracker for iPhone. Log doses, schedules, injection sites, cycles, reminders, daily check-ins, notes and progress—all in one organized place that stays on your device.

Download on the App Store See how it works ↓
✓ 7-day free trial✓ One-time purchase✓ No account
Piri app mockup showing the home screen with cycle progress, today's doses and a daily check-in.
No account requiredOpen the app and start logging
Stored on your iPhoneYour journal never enters our cloud
Yours foreverOne-time purchase after trial

Built specifically for
peptide routine tracking.

Piri replaces scattered notes, screenshots and spreadsheets with one focused journal for logging your schedule, doses, injection sites, cycles, check-ins and progress.

✓

Fast logging

Record the name, amount, injection site, time and personal notes in seconds.

◷

Smart schedules

Keep cycle-based routines organized and see exactly where you are at a glance.

↗

Progress trends

Review check-ins and patterns over time without digging through old entries.

⌕

Searchable history

Find previous entries, notes and routines whenever you need them.

◉

Gentle reminders

Get a daily reminder for scheduled entries so your routine stays on track.

⌁

Simple by design

No feeds, ads or clutter—just a calm space built for your personal records.

See Piri: Peptide Tracker
in action.

Track today’s routine, review your full history, follow adherence and trends, and manage reminders and privacy controls.

Piri home screen showing a cycle, today's routine and daily check-in
Today at a glanceSee your cycle, schedule and check-in.
Piri trends screen showing adherence, streaks and progress charts
Follow your progressReview adherence, streaks and trends.
Piri records screen showing a searchable activity history
Your complete historyFind past entries and check-ins quickly.
Piri dark mode settings and security screen
Private by designManage your routine, reminders and lock.
Your data is yours

Private means private.

Your health and dosing data is stored locally in an encrypted database on your device. We cannot see it because we never receive it.

✓ No account or login
✓ No cloud storage or sync
✓ Face ID, Touch ID and PIN protection
✓ No analytics or advertising SDKs
✓ We never sell your data
Piri icon

Meet Piri:
Peptide Tracker.

A simple iPhone app for organizing peptide doses, schedules, injection sites, cycles, notes, reminders and progress. Try every feature free for seven days, then unlock it with one purchase—no recurring subscription.

Download on the App Store