# Peptide Vault vs Stacksy

The clearest difference is update cadence: Stacksy at every 2 days against Peptide Vault's every 5 days. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Peptide Vault sells 11 in-app purchases, starting at $9.99 per month and Stacksy sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Peptide Vault against 5.0 for Stacksy. Both are backed by a comparable volume of ratings — 7 and 16 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Peptide Vault ships an update every 5 days, Stacksy every 2 days. The most recent releases landed on September 26, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Peptide Vault | Stacksy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/peptide-vault-peptide-tracker/id6762064613/reviews) | [5.0 (16 ratings)](https://appshunter.io/ios/app/stacksy/id6782694853/reviews) |
| Number of ratings | 7 | **16** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 2 days** |
| Monetization | Subscription | Subscription |
| Size | 53 MB | 65 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Jacob Teague](https://appshunter.io/developer/1891391911) | [Velor4 LLC](https://appshunter.io/developer/6782694855) |

## 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 |


### Stacksy

[App page](https://appshunter.io/ios/app/stacksy/id6782694853)

Organize and track your personal peptide protocol with this private application. Manage your entire routine, including what peptides to take and when. Offers monthly and yearly subscription plans for full access.

**Highlights:** Organize peptide protocols, Track peptide dosages, Schedule peptide intake, Private routine management, GLP-1 tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stacksy Pro (Monthly) | $9.99 | per month |
| Stacksy Pro (Yearly) | $39.99 | per year |


## Frequently asked questions

### Is Peptide Vault free?

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

### Is Stacksy free?

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

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

Peptide Vault and Stacksy are both rated 5.0 out of 5 on the App Store, from 7 and 16 ratings respectively.

### Do Peptide Vault or Stacksy have ads?

Neither Peptide Vault nor Stacksy shows ads.

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

Peptide Vault ships an update every 5 days, and Stacksy every 2 days. Most recently, Peptide Vault was updated on September 26, 2026 and Stacksy on September 18, 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.*