# Peptide Tracker vs MyStack

The clearest difference is iOS requirement: MyStack at 15.1 against Peptide Tracker's 18.6. On price, update cadence, ads and in-app purchases 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 MyStack sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Peptide Tracker ships an update weekly, MyStack every 2 weeks. The most recent releases landed on September 27, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Peptide Tracker | MyStack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (305 ratings)](https://appshunter.io/ios/app/peptide-tracker-peptidekit/id6751918022/reviews)** | — |
| Number of ratings | **305** | — |
| Positive reviews | 78.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Subscription | — |
| Size | 36 MB | 46 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Jamal Baga](https://appshunter.io/developer/1587149921) | [2 Man Limited](https://appshunter.io/developer/1690228719) |

## 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


### MyStack

[App page](https://appshunter.io/ios/app/mystack-peptide-tracker/id6768515225)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $9.99 | per month |
| Pro Mannual | $49.99 | per year |


## Frequently asked questions

### Is Peptide Tracker free?

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

### Is MyStack free?

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

### Do Peptide Tracker or MyStack have ads?

Neither Peptide Tracker nor MyStack shows ads.

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

Peptide Tracker ships an update weekly, and MyStack every 2 weeks. Most recently, Peptide Tracker was updated on September 27, 2026 and MyStack on September 11, 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.*