# Peptide Tracker vs Protocol

The clearest difference is monetization model: Protocol at free with in-app purchases against Peptide Tracker's subscription. Protocol also leads on review sentiment (100% vs 78%) and rating (5.0 vs 4.7). Peptide Tracker's advantage is ratings volume (305 vs 6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Peptide Tracker sells 7 in-app purchases, starting at $3.99 per 7 days and Protocol sells 4 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Protocol holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Peptide Tracker has 305 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 78% of Peptide Tracker's written reviews are positive against 100% of Protocol's.

Peptide Tracker ships an update weekly, Protocol every 2 days. The most recent releases landed on October 1, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Peptide Tracker | Protocol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (305 ratings)](https://appshunter.io/ios/app/peptide-tracker-peptidekit/id6751918022/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/protocol-compliance-engine/id6756283460/reviews)** |
| Number of ratings | **305** | 6 |
| Positive reviews | 78.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 36 MB | 26 MB |
| Requires iOS | 18.6 | **18.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [Jamal Baga](https://appshunter.io/developer/1587149921) | [Rizfel Kei Tolentino](https://appshunter.io/developer/1859809163) |

## What reviewers say

### Peptide Tracker

[App page](https://appshunter.io/ios/app/peptide-tracker-peptidekit/id6751918022)

This app helps users manage their peptide therapy journey with smart protocol management, progress tracking, and detailed journaling. It offers intelligent analytics, a built-in AI chat assistant, and a user-focused design for optimal organization and motivation.

**Highlights:** Customizable peptide protocols, Automatic shot generation, Intelligent reminder system, Weight loss and muscle growth tracking, Detailed journal entries, AI chat assistant for therapy questions

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Weekly | $3.99 | per 7 days |
| Plus Weekly | $5.99 | per 7 days |
| Plus Monthly | $9.99 | per month |
| Plus Yearly | $39.99 | per year |
| Plus Yearly | $39.99 | per year |
| Plus Yearly | $49.99 | per year |
| Plus Lifetime | $69.99 | one-time |

**What reviewers like**

- 🚀 Everything You Need in 1 app
- 👍 Great app!
- 👍 Really helpful
- 👍 Great App
- 👍 So far, so good!

**What reviewers complain about**

- 🐛 3 weeks' data disappeared
- 🐛 Wiped all my Data
- 🔔 Does not remind you

**Reported bugs**

- 3 weeks' data disappeared
- Wiped all my Data
- Notifications do not work

**Requested features**

- Build a protocol with an indefinite cycling period


### Protocol

[App page](https://appshunter.io/ios/app/protocol-compliance-engine/id6756283460)

Track nutrition, training, sleep, and more in one adaptive system. Scan meals for instant macro breakdowns, build custom workouts, and monitor progress with data-driven insights. Features AI and human coaching options for personalized guidance.

**Highlights:** Meal scanning for instant macro analysis, Customizable training plan generation, Holistic tracking of nutrition, training, sleep, and steps, AI-powered coaching and insights, Optional human coaching integration, Seven specialized fitness archetypes

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Protocol Plus | $9.99 | per month |
| Protocol Elite | $14.99 | per month |
| Protocol Pro | $19.99 | per month |
| Protocol Elite Annual | $79.99 | 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 4.7 out of 5 from 305 ratings, while Protocol averages 5.0 from 6 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 weekly, and Protocol every 2 days. Most recently, Peptide Tracker was updated on October 1, 2026 and Protocol on September 10, 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.*