# Stack vs Pepper

The clearest difference is update cadence: Stack at every 2 weeks against Pepper's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Stack sells 2 in-app purchases, starting at $9.99 per 7 days and Pepper sells 10 in-app purchases, starting at $11.99 per month. Whichever you choose, the download price is not the number that matters.

Stack ships an update every 2 weeks, Pepper every 2 months. The most recent releases landed on November 10, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Stack | Pepper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (22 ratings)](https://appshunter.io/ios/app/pepper-glp-1-peptide-tracker/id6777145330/reviews)** |
| Number of ratings | — | **22** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | — | Freemium |
| Size | 106 MB | 55 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Amari Thomas](https://appshunter.io/developer/1868315587) | [App Frontrunners LLC](https://appshunter.io/developer/6777145782) |

## What reviewers say

### Stack

[App page](https://appshunter.io/ios/app/stack-peptide-tracker/id6773488687)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stack Weekly | $9.99 | per 7 days |
| Stack Yearly | $49.99 | per year |


### Pepper

[App page](https://appshunter.io/ios/app/pepper-glp-1-peptide-tracker/id6777145330)

This app helps users meticulously track their peptide protocols, including doses, vial inventory, and side effects. It offers smart reminders, progress logging, and an educational library for reference. An optional subscription unlocks advanced features and community access.

**Highlights:** Dose logging with injection site tracking, Vial inventory management, Side effects and progress logging, Smart reminders for doses and supply, Educational peptide library, Community feed by compound

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pepper Pro | $11.99 | per month |
| Pepper Pro | $19.99 | per year |
| Pepper Pro | $29.99 | per year |
| Pepper Pro | $29.99 | per year |
| Pepper Pro | $29.99 | per year |
| Pepper Pro | $39.99 | per year |
| Pepper Pro | $39.99 | per year |
| Pepper Pro | $59.99 | per year |
| Pepper Pro | $59.99 | per year |
| Pepper Pro | $79.99 | per year |


## Frequently asked questions

### Is Stack free?

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

### Is Pepper free?

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

### Do Stack or Pepper have ads?

Neither Stack nor Pepper shows ads.

### Which is updated more often, Stack or Pepper?

Stack ships an update every 2 weeks, and Pepper every 2 months. Most recently, Stack was updated on November 10, 2026 and Pepper on November 7, 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.*