# Peptide Protocol+ vs Vialmetry

The clearest difference is rating: Vialmetry at 5.0 against Peptide Protocol+'s 3.5. On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Vialmetry holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Peptide Protocol+ ships an update daily, Vialmetry every 2 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Peptide Protocol+ | Vialmetry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/peptide-protocol-plus/id6789688925/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/vialmetry-peptide-calculator/id6814296316/reviews)** |
| Number of ratings | **2** | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 days |
| Monetization | Free | Free |
| Size | 42 MB | 44 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [JUSTIN MICHAEL CIFELLI](https://appshunter.io/developer/6789688927) | [Crestwood Holdings Management LLC](https://appshunter.io/developer/6800386430) |

## What reviewers say

### 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


### Vialmetry

[App page](https://appshunter.io/ios/app/vialmetry-peptide-calculator/id6814296316)

This app helps you privately track your vials, calculate dosages, log injections, and rotate sites. It offers a local-first logbook with no ads or tracking, and allows for export of your data.

**Highlights:** Record vial details (strength, water, mix date), Calculate syringe units and concentration, Log injections with amount, time, and site, Rotate subcutaneous injection sites, Schedule reminders for injections, Export data as spreadsheet or backup

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

**In-app purchases:** none


## Frequently asked questions

### Is Peptide Protocol+ free?

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

### Is Vialmetry free?

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

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

Vialmetry is rated higher. Peptide Protocol+ averages 3.5 out of 5 from 2 ratings, while Vialmetry averages 5.0 from 1 ratings.

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

Neither Peptide Protocol+ nor Vialmetry shows ads.

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

Peptide Protocol+ ships an update daily, and Vialmetry every 2 days. Most recently, Peptide Protocol+ was updated on November 5, 2026 and Vialmetry on November 6, 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.*