# Peptide Stack OS vs Peptide Atlas

The clearest difference is device support: Peptide Stack OS at 3 against Peptide Atlas's 1. Peptide Stack OS also leads on iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

## The numbers

| Metric | Peptide Stack OS | Peptide Atlas |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Size | 53 MB | 15 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [Leverage Ventures Limited Liability Company](https://appshunter.io/developer/1868627132) | [Tremaine Grant](https://appshunter.io/developer/1193068237) |

## What reviewers say

### Peptide Stack OS

[App page](https://appshunter.io/ios/app/peptide-stack-os/id6766155644)

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

**In-app purchases:** none


### Peptide Atlas

[App page](https://appshunter.io/ios/app/peptide-atlas/id6772779229)

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

**In-app purchases:** none


## Frequently asked questions

### Is Peptide Stack OS free?

Peptide Stack OS is free to download, with no in-app purchases.

### Is Peptide Atlas free?

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

### Do Peptide Stack OS or Peptide Atlas have ads?

Neither Peptide Stack OS nor Peptide Atlas 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.*