# Peptide Tracker vs Protocol

The clearest difference is rating: Protocol at 5.0 against Peptide Tracker's 3.7. Peptide Tracker's advantage is monetization model (free vs subscription) and update cadence (every 5 days vs fortnightly). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Peptide Tracker sells 4 in-app purchases, starting at $3.99 per 7 days and Protocol sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Protocol holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Peptide Tracker ships an update every 5 days, Protocol fortnightly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Peptide Tracker | Protocol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/peptide-tracker-cycle/id6759026690/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/protocol-peptide-and-glp-1-log/id6760647666/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | **Free** | Subscription |
| Size | 20 MB | 42 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Denis Kulkov](https://appshunter.io/developer/1867205516) | [Handbook Digital Limited](https://appshunter.io/developer/1550766974) |

## What reviewers say

### Peptide Tracker

[App page](https://appshunter.io/ios/app/peptide-tracker-cycle/id6759026690)

Easily manage your peptide injections with custom reminders and a simple logging system. Track your history, injection sites, and notes to maintain consistency without the guesswork.

**Highlights:** Custom peptide setup, One-tap injection logging, Next injection countdown, Push notification reminders, Dose and site history, Pause or finish tracking

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Monthly | $4.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime access | $29.99 | one-time |


### Protocol

[App page](https://appshunter.io/ios/app/protocol-peptide-and-glp-1-log/id6760647666)

This app helps you manage your peptide schedules, doses, and records in one place. Track your progress, log injections, record measurements, and monitor daily well-being. It also offers AI-powered insights into your routine and supply.

**Highlights:** Organize compounds, schedules, and phases, Track upcoming doses and supply, Log injection details and site, Record body measurements over time, Daily check-ins for energy, sleep, mood, AI-powered record retrieval

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $29.99 | per year |


## Frequently asked questions

### Is Peptide Tracker free?

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

### Is Protocol free?

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

### Which has better reviews, Peptide Tracker or Protocol?

Protocol is rated higher. Peptide Tracker averages 3.7 out of 5 from 3 ratings, while Protocol averages 5.0 from 1 ratings.

### Do Peptide Tracker or Protocol have ads?

Neither Peptide Tracker nor Protocol shows ads.

### Which is updated more often, Peptide Tracker or Protocol?

Peptide Tracker ships an update every 5 days, and Protocol fortnightly. Most recently, Peptide Tracker was updated on October 25, 2026 and Protocol on October 24, 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.*