# Peptide Stack AI vs PepCycle

Peptide Stack AI and PepCycle 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. Peptide Stack AI sells 3 in-app purchases, starting at $4.99 per 7 days and PepCycle sells 2 in-app purchases, starting at $19.90 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Peptide Stack AI | PepCycle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/peptide-stack-ai/id6762082608/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Monetization | Free | — |
| Size | 15 MB | 26 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Emad Alsamadi](https://appshunter.io/developer/1892827526) | [Laqen LLC](https://appshunter.io/developer/1890163439) |

## What reviewers say

### Peptide Stack AI

[App page](https://appshunter.io/ios/app/peptide-stack-ai/id6762082608)

This app assists researchers and medical professionals in building personalized peptide stacks and regimens. It leverages AI to analyze over 120 peptides against scientific literature and syncs with wearables to track biometric responses in real-time. The app prioritizes user privacy by storing all data locally.

**Highlights:** AI-driven peptide stack recommendations, Evidence-based ranking of peptides, Automated dosing schedule generation, Real-time biometric tracking via wearables, 120+ peptide database with citations, Contraindication filtering, Local data storage for privacy

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peptide Stack AI Pro | $4.99 | per 7 days |
| Peptide Stack AI Pro | $9.99 | per month |
| Peptide Stack AI Pro | $49.99 | per year |


### PepCycle

[App page](https://appshunter.io/ios/app/pepcycle-injection-reminders/id6790540447)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PepCycle Monthly | $19.90 | per month |
| PepCycle Pro | $59.90 | per year |


## Frequently asked questions

### Is Peptide Stack AI free?

Peptide Stack AI is free to download, with in-app purchases available.

### Is PepCycle free?

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

### Do Peptide Stack AI or PepCycle have ads?

Neither Peptide Stack AI nor PepCycle 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.*