# PepLog vs Compound

The clearest difference is in-app purchases: Compound at none against PepLog's 1. Compound also leads on update cadence (weekly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. PepLog sells 1 one-off in-app purchase. Compound asks for nothing beyond the download.

PepLog ships an update every 2 months, Compound weekly. The most recent releases landed on August 5, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | PepLog | Compound |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/peplog/id6744858000/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | — |
| Size | 64 MB | 74 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Roberto Yudice](https://appshunter.io/developer/1799605586) | [Duffle Wallet LLC](https://appshunter.io/developer/1843934113) |

## What reviewers say

### PepLog

[App page](https://appshunter.io/ios/app/peplog/id6744858000)

This app simplifies tracking complex peptide protocols by managing schedules, sending timely reminders, and allowing one-tap dose logging. It supports multiple peptides, provides a full dose history, and estimates supply duration to prevent running out.

**Highlights:** Flexible peptide scheduling, Home screen widget for quick logging, One-tap dose logging, Multi-peptide protocol support, Smart dose reminders, Full dose history, Supply duration calculation

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PepLog Pro Lifetime | $4.99 | one-time |


### Compound

[App page](https://appshunter.io/ios/app/compound-peptide-tracker/id6759011612)

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

**In-app purchases:** none


## Frequently asked questions

### Is PepLog free?

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

### Is Compound free?

Compound is free to download, with no in-app purchases.

### Do PepLog or Compound have ads?

Neither PepLog nor Compound shows ads.

### Which is updated more often, PepLog or Compound?

PepLog ships an update every 2 months, and Compound weekly. Most recently, PepLog was updated on August 5, 2026 and Compound on September 20, 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.*