# PeptideLogger vs Peptify

The clearest difference is update cadence: Peptify at every 4 days against PeptideLogger's every 11 days. PeptideLogger's advantage is iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PeptideLogger sells 3 in-app purchases, starting at $4.99 per month and Peptify sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

PeptideLogger ships an update every 11 days, Peptify every 4 days. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | PeptideLogger | Peptify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (23 ratings)](https://appshunter.io/ios/app/peptify-peptide-tracker/id6760272148/reviews)** |
| Number of ratings | — | **23** |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 11 days | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 41 MB | 84 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [David Morrison](https://appshunter.io/developer/1876652826) | [Peptify LLC](https://appshunter.io/developer/6808306686) |

## What reviewers say

### PeptideLogger

[App page](https://appshunter.io/ios/app/peptidelogger/id6759070153)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Annual | $39.99 | per year |
| Lifetime | $79.99 | one-time |


### Peptify

[App page](https://appshunter.io/ios/app/peptify-peptide-tracker/id6760272148)

This app provides comprehensive tools for tracking peptide protocols, including advanced pharmacokinetic modeling, bloodwork analysis, and educational resources. It helps users monitor their progress, understand compound interactions, and generate reports for healthcare providers.

**Highlights:** Pharmacokinetic modeling, Bloodwork analysis and import, Research-backed compound library, Professional PDF report generation, Body composition tracking, Educational courses and quizzes, Protocol and injection site management

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peptify Pro Monthly | $4.99 | per month |
| Peptify Pro Annual | $29.99 | per year |
| Lifetime Access | $89.99 | one-time |


## Frequently asked questions

### Is PeptideLogger free?

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

### Is Peptify free?

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

### Do PeptideLogger or Peptify have ads?

Both PeptideLogger and Peptify show ads.

### Which is updated more often, PeptideLogger or Peptify?

PeptideLogger ships an update every 11 days, and Peptify every 4 days. Most recently, PeptideLogger was updated on October 11, 2026 and Peptify on October 9, 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.*