# Peptide Tracker vs Peptide Calendar

The clearest difference is review sentiment: Peptide Tracker at 77% against Peptide Calendar's 0%. Peptide Tracker also leads on rating (4.7 vs 1.0) and ratings volume (310 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 Tracker sells 7 in-app purchases, starting at $3.99 per 7 days and Peptide Calendar sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Peptide Tracker holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Peptide Tracker has 310 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 77% of Peptide Tracker's written reviews are positive against 0% of Peptide Calendar's.

Peptide Tracker ships an update weekly, Peptide Calendar every 3 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Peptide Tracker | Peptide Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (310 ratings)](https://appshunter.io/ios/app/peptide-tracker-peptidekit/id6751918022/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/peptide-calendar/id6759353949/reviews) |
| Number of ratings | **310** | 1 |
| Positive reviews | **77.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Subscription | **Freemium** |
| Size | 36 MB | 45 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [Jamal Baga](https://appshunter.io/developer/1587149921) | [KAYU Health, A Medical Corporation](https://appshunter.io/developer/1878253387) |

## What reviewers say

### Peptide Tracker

[App page](https://appshunter.io/ios/app/peptide-tracker-peptidekit/id6751918022)

This app helps users manage their peptide therapy journey with smart protocol management, progress tracking, and detailed journaling. It offers intelligent analytics, a built-in AI chat assistant, and a user-focused design for optimal organization and motivation.

**Highlights:** Customizable peptide protocols, Automatic shot generation, Intelligent reminder system, Weight loss and muscle growth tracking, Detailed journal entries, AI chat assistant for therapy questions

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Weekly | $3.99 | per 7 days |
| Plus Weekly | $5.99 | per 7 days |
| Plus Monthly | $9.99 | per month |
| Plus Yearly | $39.99 | per year |
| Plus Yearly | $39.99 | per year |
| Plus Yearly | $49.99 | per year |
| Plus Lifetime | $69.99 | one-time |

**What reviewers like**

- 🚀 Everything You Need in 1 app
- 👍 Great app!
- 👍 Really helpful
- 👍 Great App
- 👍 So far, so good!

**What reviewers complain about**

- 🐛 3 weeks' data disappeared
- 🐛 Wiped all my Data
- 🔔 Does not remind you

**Reported bugs**

- 3 weeks' data disappeared
- Wiped all my Data
- Notifications do not work

**Requested features**

- Build a protocol with an indefinite cycling period


### 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 |


## Frequently asked questions

### Is Peptide Tracker free?

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

### Is Peptide Calendar free?

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

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

Peptide Tracker is rated higher. Peptide Tracker averages 4.7 out of 5 from 310 ratings, while Peptide Calendar averages 1.0 from 1 ratings.

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

Neither Peptide Tracker nor Peptide Calendar shows ads.

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

Peptide Tracker ships an update weekly, and Peptide Calendar every 3 days. Most recently, Peptide Tracker was updated on November 8, 2026 and Peptide Calendar on October 31, 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.*