# COMPOUND vs Peps

The clearest difference is update cadence: Peps at every 4 days against COMPOUND's every 9 days. Peps also leads on iOS requirement (14.0 vs 17.0). COMPOUND's advantage is ratings volume (4 vs 1). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. COMPOUND sells 5 in-app purchases, starting at $6.99 per 7 days and Peps 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 COMPOUND against 5.0 for Peps. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

COMPOUND ships an update every 9 days, Peps every 4 days. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | COMPOUND | Peps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/compound-peptide-calculator/id6762041256/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/peps-peptide-tracker/id6767047762/reviews) |
| Number of ratings | **4** | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 52 MB | 40 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Torben Nils Seidler](https://appshunter.io/developer/1834241692) | [ViralStudios LLC](https://appshunter.io/developer/1830114739) |

## What reviewers say

### COMPOUND

[App page](https://appshunter.io/ios/app/compound-peptide-calculator/id6762041256)

This app provides advanced tracking and analysis for peptide and TRT protocols. It uses AI to analyze interactions, correlate side effects with dosing, and scan bloodwork results. Manage complex stacks with smart reconstitution, a comprehensive database, and interactive pharmacokinetics.

**Highlights:** AI Stack Analyzer for interaction warnings, Side-Effect Correlation Engine, Bloodwork OCR Scanner, Smart Reconstitution calculations, 42-Compound Database with research links, Protocol AI Chat for personalized advice, Interactive Stack Pharmacokinetics visualization

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Compound Pro · Weekly | $6.99 | per 7 days |
| Compound Pro · Quarterly | $24.99 | per 3 months |
| Compound Pro · Yearly DISCOUNTED | $34.99 | per year |
| Compound Pro · Yearly | $49.99 | per year |
| COMPOUND Pro · Yearly | $69.99 | per year |


### Peps

[App page](https://appshunter.io/ios/app/peps-peptide-tracker/id6767047762)

This app helps users manage peptide routines, track doses, and monitor wellness habits with smart reminders and a clean interface. It allows for the management of multiple peptide stacks and logging of injection history, alongside tracking progress photos and daily wellness metrics.

**Highlights:** Dose reminders, Stack management, Dose logging, Schedule tracking, Wellness tracking, Progress photos, Multiple peptide support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Yearly | $44.99 | per year |


## Frequently asked questions

### Is COMPOUND free?

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

### Is Peps free?

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

### Which has better reviews, COMPOUND or Peps?

COMPOUND and Peps are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do COMPOUND or Peps have ads?

Neither COMPOUND nor Peps shows ads.

### Which is updated more often, COMPOUND or Peps?

COMPOUND ships an update every 9 days, and Peps every 4 days. Most recently, COMPOUND was updated on October 24, 2026 and Peps on October 7, 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.*