# OptyPeptides vs PepstackAI

The clearest difference is in-app purchases: OptyPeptides at none against PepstackAI's 2. PepstackAI's advantage is iOS requirement (15.0 vs 17.0). On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for OptyPeptides against 5.0 for PepstackAI. Both are backed by a comparable volume of ratings — 6 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

OptyPeptides ships an update weekly, PepstackAI every 11 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | OptyPeptides | PepstackAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/optypeptides/id6760362492/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/pepstackai-peptide-tracker/id6802118000/reviews) |
| Number of ratings | **6** | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 11 days |
| Monetization | **Free** | Freemium |
| Size | 15 MB | 18 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [OptiSelf LLC](https://appshunter.io/developer/1701151644) | [Deepak Kumar](https://appshunter.io/developer/6794694801) |

## 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:** Vision Pro support

**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 OptyPeptides free?

OptyPeptides 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, OptyPeptides or PepstackAI?

OptyPeptides and PepstackAI are both rated 5.0 out of 5 on the App Store, from 6 and 3 ratings respectively.

### Do OptyPeptides or PepstackAI have ads?

Neither OptyPeptides nor PepstackAI shows ads.

### Which is updated more often, OptyPeptides or PepstackAI?

OptyPeptides ships an update weekly, and PepstackAI every 11 days. Most recently, OptyPeptides 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.*