# Peptide Ledger vs Peptide Protocol+

The clearest difference is in-app purchases: Peptide Protocol+ at none against Peptide Ledger's 1. Peptide Protocol+ also leads on update cadence (daily vs every 10 days) and iOS requirement (15.1 vs 18.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Peptide Ledger sells 1 one-off in-app purchase. Peptide Protocol+ asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Peptide Ledger against 5.0 for Peptide Protocol+. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Peptide Ledger ships an update every 10 days, Peptide Protocol+ daily. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Peptide Ledger | Peptide Protocol+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/peptide-ledger-glp-1-tracker/id6769101016/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/peptide-protocol-plus/id6789688925/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 42 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Kris Emsoff](https://appshunter.io/developer/1896630231) | [JUSTIN MICHAEL CIFELLI](https://appshunter.io/developer/6789688927) |

## What reviewers say

### Peptide Ledger

[App page](https://appshunter.io/ios/app/peptide-ledger-glp-1-tracker/id6769101016)

This app helps you meticulously log your peptide and GLP-1 research, including doses, vials, and progress, without relying on spreadsheets or subscriptions. It offers tools for reconstitution calculations and private data storage, with an optional Pro version for advanced features.

**Highlights:** Log doses, observations, and milestones, Track vial inventory, cost, and expiry, Forecast vial usage and reorder needs, Reconstitution Solver for calculations, Private data storage with optional iCloud sync, Home Screen and Lock Screen widgets

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peptide Ledger Pro | $2.99 | one-time |


### Peptide Protocol+

[App page](https://appshunter.io/ios/app/peptide-protocol-plus/id6789688925)

This app helps researchers manage peptide cycles with detailed protocol building, smart reminders, and progress tracking. It includes a built-in library for quick reference and prioritizes user privacy with local data storage and PIN protection.

**Highlights:** Build peptide cycles with dosage and frequency, Smart dose reminders, Review cycle history and add notes, Built-in peptide library, Local data storage and PIN protection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Peptide Ledger free?

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

### Is Peptide Protocol+ free?

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

### Which has better reviews, Peptide Ledger or Peptide Protocol+?

Peptide Ledger and Peptide Protocol+ are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Peptide Ledger or Peptide Protocol+ have ads?

Neither Peptide Ledger nor Peptide Protocol+ shows ads.

### Which is updated more often, Peptide Ledger or Peptide Protocol+?

Peptide Ledger ships an update every 10 days, and Peptide Protocol+ daily. Most recently, Peptide Ledger was updated on October 6, 2026 and Peptide Protocol+ on October 9, 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.*