# COMPOUND vs Pinmate

The clearest difference is update cadence: COMPOUND at every 9 days against Pinmate's every 6 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. COMPOUND sells 5 in-app purchases, starting at $6.99 per 7 days and Pinmate sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

COMPOUND ships an update every 9 days, Pinmate every 6 weeks. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | COMPOUND | Pinmate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/compound-peptide-calculator/id6762041256/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 52 MB | 59 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [Torben Nils Seidler](https://appshunter.io/developer/1834241692) | [Eon Research LLC](https://appshunter.io/developer/6776033577) |

## 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 |


### Pinmate

[App page](https://appshunter.io/ios/app/pinmate-shot-tracker/id6776033575)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pinmate Pro | $9.99 | per month |
| Pinmate Pro | $59.99 | per year |


## Frequently asked questions

### Is COMPOUND free?

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

### Is Pinmate free?

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

### Do COMPOUND or Pinmate have ads?

Neither COMPOUND nor Pinmate shows ads.

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

COMPOUND ships an update every 9 days, and Pinmate every 6 weeks. Most recently, COMPOUND was updated on October 24, 2026 and Pinmate on October 28, 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.*