# Stacker vs P2 Athletics

The clearest difference is in-app purchases: P2 Athletics at none against Stacker's 2. P2 Athletics also leads on ads (none vs shown) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. Stacker sells 2 in-app purchases, starting at $69.99 per year. P2 Athletics asks for nothing beyond the download.

## The numbers

| Metric | Stacker | P2 Athletics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (25 ratings)](https://appshunter.io/ios/app/stacker-peptide-tracker/id6776001253/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 91 MB |
| Requires iOS | 17.0 | **15** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Above Capital LLC](https://appshunter.io/developer/6776001255) | [PushPress, Inc.](https://appshunter.io/developer/688595778) |

## What reviewers say

### Stacker

[App page](https://appshunter.io/ios/app/stacker-peptide-tracker/id6776001253)

This app helps you discover, dose, and track peptide protocols for various health goals. It offers curated stacks, personalized schedules, and progress tracking with reminders. Features include a reconstitution calculator and an AI assistant for protocol summaries.

**Highlights:** Personalized stack building, Curated stacks with dosage guides, Dose and progress tracking, Smart dosing schedules and reminders, Reconstitution calculator, Expert-vetted peptide library, AI peptide assistant (Pro)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stacker Pro | $69.99 | per year |
| Stacker Pro | $129.99 | per year |


### P2 Athletics

[App page](https://appshunter.io/ios/app/p2-athletics/id6801592380)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stacker free?

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

### Is P2 Athletics free?

P2 Athletics is free to download, with no in-app purchases.

### Do Stacker or P2 Athletics have ads?

Stacker shows ads; P2 Athletics does not.

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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.*