# Peptide Vault vs Stacker

The clearest difference is monetization model: Stacker at free with in-app purchases against Peptide Vault's subscription. Peptide Vault's advantage is ads (none vs shown) and review sentiment (100% vs 86%). On price, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Peptide Vault sells 11 in-app purchases, starting at $9.99 per month and Stacker sells 1 in-app purchase, starting at $69.99 per year. Whichever you choose, the download price is not the number that matters.

Peptide Vault holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 9 and 25 respectively. Written reviews point the same way: 100% of Peptide Vault's written reviews are positive against 86% of Stacker's.

Peptide Vault ships an update weekly, Stacker every 2 weeks. The most recent releases landed on October 12, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Peptide Vault | Stacker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (9 ratings)](https://appshunter.io/ios/app/peptide-vault-peptide-tracker/id6762064613/reviews)** | [4.8 (25 ratings)](https://appshunter.io/ios/app/stacker-peptide-tracker/id6776001253/reviews) |
| Number of ratings | 9 | **25** |
| Positive reviews | **100.0% of reviews** | 85.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 54 MB | 51 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Jacob Teague](https://appshunter.io/developer/1891391911) | [Above Capital LLC](https://appshunter.io/developer/6776001255) |

## What reviewers say

### Peptide Vault

[App page](https://appshunter.io/ios/app/peptide-vault-peptide-tracker/id6762064613)

Log peptide doses, track injection sites, and manage custom regimens. Access a reference library of over 50 peptides and a reconstitution calculator. All data is stored privately on your device.

**Highlights:** Dose logging, Injection site rotation, Custom regimen building, Compound overlap reporting, Peptide reference library, Reconstitution calculator, On-device data storage

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peptide Vault Pro Monthly | $9.99 | per month |
| Pro Annual | $29.99 | per year |
| Pro Annual — 7 Days Free | $29.99 | per year |
| Pro Annual — 14 Days Free | $29.99 | per year |
| Pro Annual | $39.99 | per year |
| Pro Annual — 7 Days Free | $39.99 | per year |
| Pro Annual — 14 Days Free | $39.99 | per year |
| Pro Annual — 14 Days Free | $49.99 | per year |
| Pro Annual | $49.99 | per year |
| Pro Annual — 7 Days Free | $49.99 | per year |
| Peptide Vault Pro | $69.99 | per year |


### 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 (1)**

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


## Frequently asked questions

### Is Peptide Vault free?

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

### Is Stacker free?

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

### Which has better reviews, Peptide Vault or Stacker?

Peptide Vault is rated higher. Peptide Vault averages 5.0 out of 5 from 9 ratings, while Stacker averages 4.8 from 25 ratings.

### Do Peptide Vault or Stacker have ads?

Stacker shows ads; Peptide Vault does not.

### Which is updated more often, Peptide Vault or Stacker?

Peptide Vault ships an update weekly, and Stacker every 2 weeks. Most recently, Peptide Vault was updated on October 12, 2026 and Stacker on October 17, 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.*