# Peptide Paradigm vs PepKit

The clearest difference is in-app purchases: Peptide Paradigm at none against PepKit's 2. Peptide Paradigm also leads on iOS requirement (15.1 vs 26.0). PepKit's advantage is ratings volume (159 vs 2). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. PepKit sells 2 in-app purchases, starting at $5.99 per 7 days. Peptide Paradigm asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Peptide Paradigm against 4.9 for PepKit. That said, the two scores are not equally well evidenced: PepKit has 159 ratings behind it against 2, so its average is the more settled of the two.

Peptide Paradigm ships an update monthly, PepKit every 5 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | Peptide Paradigm | PepKit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/peptide-paradigm/id6761913077/reviews)** | [4.9 (159 ratings)](https://appshunter.io/ios/app/pepkit-peptide-tracker/id6762627972/reviews) |
| Number of ratings | 2 | **159** |
| Positive reviews | — | 87.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Freemium | Freemium |
| Size | 42 MB | 15 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Iron Within Nutrition LLC](https://appshunter.io/developer/1892037440) | [Loona LLC](https://appshunter.io/developer/1817974100) |

## What reviewers say

### Peptide Paradigm

[App page](https://appshunter.io/ios/app/peptide-paradigm/id6761913077)

This app helps users manage peptide protocols with features for logging doses, calculating dosages, tracking inventory, and scheduling reminders. It also includes an educational section with a peptide library and community access.

**Highlights:** Dose logging and history, Smart dosage calculation, Inventory management, Scheduling and reminders, Educational peptide library, Offline functionality

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### PepKit

[App page](https://appshunter.io/ios/app/pepkit-peptide-tracker/id6762627972)

Precisely track your peptide protocols with a structured system. Log doses, calculate them accurately, and stay consistent with smart reminders and a clean interface. Designed for serious tracking.

**Highlights:** Precision dose logging, Built-in dose calculator, Structured scheduling, Smart reminders, Clean interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $5.99 | per 7 days |
| Annual | $44.99 | per year |


## Frequently asked questions

### Is Peptide Paradigm free?

Peptide Paradigm is free to download, with no in-app purchases.

### Is PepKit free?

PepKit is free to download, with in-app purchases available.

### Which has better reviews, Peptide Paradigm or PepKit?

Peptide Paradigm is rated higher. Peptide Paradigm averages 5.0 out of 5 from 2 ratings, while PepKit averages 4.9 from 159 ratings.

### Do Peptide Paradigm or PepKit have ads?

Neither Peptide Paradigm nor PepKit shows ads.

### Which is updated more often, Peptide Paradigm or PepKit?

Peptide Paradigm ships an update monthly, and PepKit every 5 weeks. Most recently, Peptide Paradigm was updated on October 25, 2026 and PepKit on October 25, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*