# COMPOUND vs Pepwise

The clearest difference is in-app purchases: Pepwise at none against COMPOUND's 5. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. COMPOUND sells 5 in-app purchases, starting at $6.99 per 7 days. Pepwise asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for COMPOUND against 5.0 for Pepwise. Both are backed by a comparable volume of ratings — 3 and 4 respectively.

Both ship on a similar rhythm, roughly every 9 days. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | COMPOUND | Pepwise |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/compound-peptide-calculator/id6762041256/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/pepwise/id6790192330/reviews) |
| Number of ratings | 3 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | Every 9 days |
| Monetization | Free with in-app purchases | **Free** |
| Size | 52 MB | 14 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 17+ |
| Developer | [Torben Nils Seidler](https://appshunter.io/developer/1834241692) | [Wellness Research Supply, LLC](https://appshunter.io/developer/6790192332) |

## 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 |


### Pepwise

[App page](https://appshunter.io/ios/app/pepwise/id6790192330)

This app helps researchers organize peptide protocols, perform calculations, manage inventory, and track observations. It offers features for planning research schedules, calculating amounts, and monitoring vial usage. Data is stored privately and can sync via iCloud, with optional integration with Apple Health.

**Highlights:** Organize peptide protocols with schedules, Built-in reconstitution and amount calculators, Track vial inventory and log usage, Review research history and weight trends, Optional Apple Health integration, Private data storage and iCloud sync

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

**In-app purchases:** none


## Frequently asked questions

### Is COMPOUND free?

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

### Is Pepwise free?

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

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

COMPOUND and Pepwise are both rated 5.0 out of 5 on the App Store, from 3 and 4 ratings respectively.

### Do COMPOUND or Pepwise have ads?

Neither COMPOUND nor Pepwise shows ads.

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

COMPOUND ships an update every 9 days, and Pepwise every 9 days. Most recently, COMPOUND was updated on October 14, 2026 and Pepwise 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.*