# OptyPeptides vs PepX

OptyPeptides and PepX are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | OptyPeptides | PepX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/optypeptides/id6760362492/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | Free | — |
| Size | 15 MB | 130 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [OptiSelf LLC](https://appshunter.io/developer/1701151644) | [Vinicius Ramos Pinto](https://appshunter.io/developer/1630219233) |

## What reviewers say

### OptyPeptides

[App page](https://appshunter.io/ios/app/optypeptides/id6760362492)

This app helps users discover, track, and optimize peptide protocols with smart recommendations. It provides clarity, structure, and insights for both beginners and experienced users, simplifying complex stacking processes.

**Highlights:** Smart peptide recommendations, Protocol tracking, Protocol optimization, User-friendly interface, Insightful data visualization

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

**In-app purchases:** none


### PepX

[App page](https://appshunter.io/ios/app/pepx-peptide-tracker/id6763190667)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is OptyPeptides free?

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

### Is PepX free?

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

### Do OptyPeptides or PepX have ads?

Neither OptyPeptides nor PepX shows ads.

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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.*