# Stacker vs Peptidemaxx

Stacker and Peptidemaxx are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Stacker sells 2 in-app purchases, starting at $69.99 per year and Peptidemaxx sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 19, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Stacker | Peptidemaxx |
| --- | --- | --- |
| 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 | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 56 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Above Capital LLC](https://appshunter.io/developer/6776001255) | [Peptidemaxx LLC](https://appshunter.io/developer/6786915565) |

## 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 |


### Peptidemaxx

[App page](https://appshunter.io/ios/app/peptidemaxx-peptide-tracker/id6786915563)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $6.99 | per month |
| Annual Subscription | $39.99 | per year |


## Frequently asked questions

### Is Stacker free?

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

### Is Peptidemaxx free?

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

### Do Stacker or Peptidemaxx have ads?

Both Stacker and Peptidemaxx show ads.

### Which is updated more often, Stacker or Peptidemaxx?

Stacker ships an update every 2 weeks, and Peptidemaxx every 2 weeks. Most recently, Stacker was updated on October 19, 2026 and Peptidemaxx on October 12, 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.*