# Peptide Library — Learn. Explore. Keep a record.

> Learn. Explore. Keep a record. (iPhone/iPad app by Jay Park.)

- Source: https://appshunter.io/ios/app/peptide-library/id6808156569 (this page in markdown: same URL + `.md`)
- Developer: [Jay Park](https://appshunter.io/developer/6808156571)
- Category: Education
- Price: Free
- Age rating: 4+
- Requires: iOS 18.0 · 16 MB
- Languages: American English, Chinese (Simplified, China), Thai
- Released: 2026-09-08
- Data updated: 2026-10-14

## What is Peptide Library?

Peptide Library helps you track your peptide Cycle and research peptides and compounds in one place.

Track your Cycle
See what's scheduled today, record completed items, check your week, and use the calendar to look ahead or review what you've tracked.

Build your Stack
Add the compounds you're tracking, organize your schedule, set reminders, and keep your current Cycle in one place.

Follow your progress
Set goals, add measurements, and follow changes over time. Track weight and other measurable goals, along with check-ins for sleep, recovery, skin, and energy.

Research peptides & compounds
Explore an editorial library covering peptides and related compounds, with research context, safety information, administration information where supported, and source-backed references.

Made for personal tracking
Your Stack, amounts, schedules, goals, and measurements are entered by you. Peptide Library does not recommend compounds, combinations, dosages, or treatment protocols.

Peptide Library is intended for educational and personal tracking purposes. It is not medical advice and is not a substitute for advice, diagnosis, or treatment from a qualified healthcare professional.

## Is Peptide Library safe?

Not enough ratings yet to assess Peptide Library.

## Is Peptide Library legit?

Peptide Library has limited verification signals. The AppsHunter Legitimacy Score for Peptide Library is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 3 releases)

### 1.2 — 2026-09-17

Peptide Library is now built around your Cycle.

• Track your daily schedule
• View scheduled and recorded items on your calendar
• Build and manage your Stack
• Set goals and track measurements over time
• Record daily check-ins for sleep, recovery, skin and energy
• Improved accessibility and Dynamic Type support
• Refined navigation and visual design

The research library is still here, now alongside a complete personal tracking experience.

### 1.1 — 2026-09-09

Improved journal check-ins and editing, refined Explore and My Journey layouts, clearer administration guidance, and visual improvements throughout the app.

### 1.0 — 2026-09-08

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-14.*