# Peptidemaxx vs Quantum Self

The clearest difference is in-app purchases: Quantum Self at none against Peptidemaxx's 2. Quantum Self also leads on ads (none vs shown) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. Peptidemaxx sells 2 in-app purchases, starting at $6.99 per month. Quantum Self asks for nothing beyond the download.

## The numbers

| Metric | Peptidemaxx | Quantum Self |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | — |
| Size | 56 MB | 139 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Peptidemaxx LLC](https://appshunter.io/developer/6786915565) | [Nathan Carter](https://appshunter.io/developer/6818298879) |

## What reviewers say

### Peptidemaxx

[App page](https://appshunter.io/ios/app/peptidemaxx-peptide-tracker/id6786915563)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $6.99 | per month |
| Annual Subscription | $39.99 | per year |


### Quantum Self

[App page](https://appshunter.io/ios/app/quantum-self/id6818298577)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Peptidemaxx free?

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

### Is Quantum Self free?

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

### Do Peptidemaxx or Quantum Self have ads?

Peptidemaxx shows ads; Quantum Self does not.

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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.*