# COMPOUND vs Peptide Calc & Tracker

The clearest difference is iOS requirement: Peptide Calc & Tracker at 15.0 against COMPOUND's 17.0. On price, update cadence, 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 Peptide Calc & Tracker sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

COMPOUND ships an update every 9 days, Peptide Calc & Tracker every 5 days. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | COMPOUND | Peptide Calc & Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/compound-peptide-calculator/id6762041256/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 52 MB | 37 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Torben Nils Seidler](https://appshunter.io/developer/1834241692) | [VAST FLOW, TOO](https://appshunter.io/developer/1754861329) |

## 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 |


### Peptide Calc & Tracker

[App page](https://appshunter.io/ios/app/peptide-calc-and-tracker-dosyne/id6777856423)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dosyne Pro | $4.99 | per 7 days |
| Dosyne Pro | $29.99 | per year |


## Frequently asked questions

### Is COMPOUND free?

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

### Is Peptide Calc & Tracker free?

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

### Do COMPOUND or Peptide Calc & Tracker have ads?

Neither COMPOUND nor Peptide Calc & Tracker shows ads.

### Which is updated more often, COMPOUND or Peptide Calc & Tracker?

COMPOUND ships an update every 9 days, and Peptide Calc & Tracker every 5 days. Most recently, COMPOUND was updated on October 14, 2026 and Peptide Calc & Tracker on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*