# Pepdex vs PepstackAI

The clearest difference is update cadence: Pepdex at every 4 days against PepstackAI's every 11 days. On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Pepdex sells 2 in-app purchases, starting at $7.99 per month and PepstackAI sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Pepdex 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.

Pepdex ships an update every 4 days, PepstackAI every 11 days. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Pepdex | PepstackAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/pepdex-peptide-calculator/id6787544320/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 | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 11 days |
| Monetization | Freemium | Freemium |
| Size | 68 MB | 18 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [ISMAEL JAVIER RUIZ](https://appshunter.io/developer/6787544322) | [Deepak Kumar](https://appshunter.io/developer/6794694801) |

## What reviewers say

### Pepdex

[App page](https://appshunter.io/ios/app/pepdex-peptide-calculator/id6787544320)

Log peptides, supplements, nutrition, training, and weight with detailed tracking and an evidence-based library. An AI coach provides insights based on your data and research. Scan items to quickly log details.

**Highlights:** Track peptides, supplements, nutrition, workouts, and weight, Log compound and supplement vial levels, Scan labels for automatic data entry, Evidence-based library with research and side effects, AI Coach for personalized insights, Daily check-ins for mood, energy, and sleep

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pepdex Pro Monthly | $7.99 | per month |
| Pepdex Pro Annual | $79.99 | per year |


### 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 Pepdex free?

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

### Is PepstackAI free?

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

### Which has better reviews, Pepdex or PepstackAI?

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

### Do Pepdex or PepstackAI have ads?

Neither Pepdex nor PepstackAI shows ads.

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

Pepdex ships an update every 4 days, and PepstackAI every 11 days. Most recently, Pepdex was updated on October 8, 2026 and PepstackAI on October 3, 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.*