# Peptide Calendar vs Peptide Vault

The clearest difference is review sentiment: Peptide Vault at 100% against Peptide Calendar's 0%. Peptide Vault also leads on rating (5.0 vs 1.0) and ratings volume (10 vs 1). Peptide Calendar's advantage is monetization model (freemium vs subscription) and update cadence (every 3 days vs weekly). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Peptide Calendar sells 2 in-app purchases, starting at $9.99 per month and Peptide Vault sells 10 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Peptide Vault holds the better App Store score, 5.0 against 1.0. That said, the two scores are not equally well evidenced: Peptide Vault has 10 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Peptide Calendar's written reviews are positive against 100% of Peptide Vault's.

Peptide Calendar ships an update every 3 days, Peptide Vault weekly. The most recent releases landed on October 31, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Peptide Calendar | Peptide Vault |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/peptide-calendar/id6759353949/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/peptide-vault-peptide-tracker/id6762064613/reviews)** |
| Number of ratings | 1 | **10** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | **Freemium** | Subscription |
| Size | 45 MB | 56 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [KAYU Health, A Medical Corporation](https://appshunter.io/developer/1878253387) | [Jacob Teague](https://appshunter.io/developer/1891391911) |

## What reviewers say

### Peptide Calendar

[App page](https://appshunter.io/ios/app/peptide-calendar/id6759353949)

Manage personal peptide protocols with a clinician. Track progress, log daily check-ins, and monitor wellness trends. Includes a reference library and optional Apple Health integration.

**Highlights:** Personal protocol management, Schedule and check-in logging, In-app reminders, Wellness trend tracking, Apple Health integration, Peptide reference library

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $9.99 | per month |
| Yearly Subscription | $79.99 | per year |


### 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 (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peptide Vault Pro Weekly | $4.99 | per 7 days |
| Peptide Vault Pro Monthly | $9.99 | per month |
| Peptide Vault Pro Monthly | $12.99 | per month |
| Peptide Vault Pro Monthly | $14.99 | 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 | $39.99 | per year |
| Pro Annual — 14 Days Free | $39.99 | per year |


## Frequently asked questions

### Is Peptide Calendar free?

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

### Is Peptide Vault free?

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

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

Peptide Vault is rated higher. Peptide Calendar averages 1.0 out of 5 from 1 ratings, while Peptide Vault averages 5.0 from 10 ratings.

### Do Peptide Calendar or Peptide Vault have ads?

Neither Peptide Calendar nor Peptide Vault shows ads.

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

Peptide Calendar ships an update every 3 days, and Peptide Vault weekly. Most recently, Peptide Calendar was updated on October 31, 2026 and Peptide Vault on November 5, 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.*