# PeptideLab vs Peptide Protocol+

The clearest difference is rating: PeptideLab at 4.7 against Peptide Protocol+'s 3.5. PeptideLab also leads on ratings volume (29 vs 2). Peptide Protocol+'s advantage is in-app purchases (none vs 6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. PeptideLab sells 6 in-app purchases, starting at $4.99 per 7 days. Peptide Protocol+ asks for nothing beyond the download.

PeptideLab holds the better App Store score, 4.7 against 3.5. That said, the two scores are not equally well evidenced: PeptideLab has 29 ratings behind it against 2, so its average is the more settled of the two.

PeptideLab ships an update every 2 days, Peptide Protocol+ daily. Both last shipped on November 5, 2026.

## The numbers

| Metric | PeptideLab | Peptide Protocol+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (29 ratings)](https://appshunter.io/ios/app/peptidelab-peptide-tracker/id6765477049/reviews)** | [3.5 (2 ratings)](https://appshunter.io/ios/app/peptide-protocol-plus/id6789688925/reviews) |
| Number of ratings | **29** | 2 |
| Positive reviews | 92.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 days | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 112 MB | 42 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Peptide Labs LLC](https://appshunter.io/developer/1895964866) | [JUSTIN MICHAEL CIFELLI](https://appshunter.io/developer/6789688927) |

## What reviewers say

### PeptideLab

[App page](https://appshunter.io/ios/app/peptidelab-peptide-tracker/id6765477049)

This app provides detailed tracking for peptides, GLP-1, TRT, and HRT, alongside bloodwork analysis. It allows users to log injections, pills, sprays, workouts, meals, and menstrual cycles with features like injection site rotation and modeled exposure estimates. It also supports integration with health devices and offers a doctor-ready PDF export.

**Highlights:** Peptide, GLP-1, hormone compound library, Injection site rotation, Modeled exposure estimates, Menstrual cycle tracking, Workout logging with exercise library, AI food logging, Health device integration

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Monthly | $9.99 | per month |
| Pro Annual (Invite) | $55.99 | per year |
| Pro Annual (Friend) | $58.99 | per year |
| Annual (Founding) | $59.99 | per year |
| Annual | $69.99 | per year |


### 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 PeptideLab free?

PeptideLab 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, PeptideLab or Peptide Protocol+?

PeptideLab is rated higher. PeptideLab averages 4.7 out of 5 from 29 ratings, while Peptide Protocol+ averages 3.5 from 2 ratings.

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

Neither PeptideLab nor Peptide Protocol+ shows ads.

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

PeptideLab ships an update every 2 days, and Peptide Protocol+ daily. Most recently, PeptideLab was updated on November 5, 2026 and Peptide Protocol+ on November 5, 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.*