# Peptide Protocol+ vs PepstackAI

The clearest difference is rating: PepstackAI at 5.0 against Peptide Protocol+'s 3.5. Peptide Protocol+'s advantage is in-app purchases (none vs 2) and update cadence (daily vs every 11 days). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. PepstackAI sells 2 in-app purchases, starting at $4.99 per month. Peptide Protocol+ asks for nothing beyond the download.

PepstackAI holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

Peptide Protocol+ ships an update daily, PepstackAI every 11 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Peptide Protocol+ | PepstackAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/peptide-protocol-plus/id6789688925/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/pepstackai-peptide-tracker/id6802118000/reviews)** |
| Number of ratings | 2 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 11 days |
| Monetization | **Free** | Freemium |
| Size | 42 MB | 18 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [JUSTIN MICHAEL CIFELLI](https://appshunter.io/developer/6789688927) | [Deepak Kumar](https://appshunter.io/developer/6794694801) |

## What reviewers say

### Peptide Protocol+

[App page](https://appshunter.io/ios/app/peptide-protocol-plus/id6789688925)

This app helps researchers manage peptide cycles with detailed protocol building, smart reminders, and progress tracking. It includes a built-in library for quick reference and prioritizes user privacy with local data storage and PIN protection.

**Highlights:** Build peptide cycles with dosage and frequency, Smart dose reminders, Review cycle history and add notes, Built-in peptide library, Local data storage and PIN protection

**Features:** macOS Compatibility

**In-app purchases:** none


### PepstackAI

[App page](https://appshunter.io/ios/app/pepstackai-peptide-tracker/id6802118000)

This app helps you manage your supplement intake based on your personal routine and health goals. It provides personalized recommendations with research-backed reasoning and schedules them around your daily activities, avoiding potential conflicts.

**Highlights:** Personalized supplement recommendations, Routine-based scheduling, Conflict flagging for supplements, Research-backed product information, Peptide reference library, Intake logging and data export, Offline functionality

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pepstack Pro (Monthly) | $4.99 | per month |
| Pepstack Pro (Yearly) | $49.99 | per year |


## Frequently asked questions

### Is Peptide Protocol+ free?

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

### Is PepstackAI free?

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

### Which has better reviews, Peptide Protocol+ or PepstackAI?

PepstackAI is rated higher. Peptide Protocol+ averages 3.5 out of 5 from 2 ratings, while PepstackAI averages 5.0 from 3 ratings.

### Do Peptide Protocol+ or PepstackAI have ads?

Neither Peptide Protocol+ nor PepstackAI shows ads.

### Which is updated more often, Peptide Protocol+ or PepstackAI?

Peptide Protocol+ ships an update daily, and PepstackAI every 11 days. Most recently, Peptide Protocol+ was updated on October 31, 2026 and PepstackAI on October 31, 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.*