# PEPTIDEX vs PeptideU

PEPTIDEX and PeptideU are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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. PEPTIDEX sells 2 in-app purchases, starting at $3.99 per month and PeptideU sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

PEPTIDEX ships an update every 6 days, PeptideU every 11 days. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PEPTIDEX | PeptideU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (21 ratings)](https://appshunter.io/ios/app/peptideu/id6790272971/reviews)** |
| Number of ratings | — | **21** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 11 days |
| Monetization | — | Freemium |
| Size | 50 MB | 64 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Maximilian Karmann](https://appshunter.io/developer/1886868534) | [Paul Clotar](https://appshunter.io/developer/6790272974) |

## What reviewers say

### PEPTIDEX

[App page](https://appshunter.io/ios/app/peptidex-peptide-tracker/id6760927369)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peptidex Pro Monthly | $3.99 | per month |
| Peptidex Pro Yearly | $24.99 | per year |


### PeptideU

[App page](https://appshunter.io/ios/app/peptideu/id6790272971)

This app offers a structured curriculum and AI-powered explanations about peptides, grounded in scientific research. It also provides a private log for personal research and a community space for discussion. Premium features include COA scanning and live coaching.

**Highlights:** AI-powered peptide explanations, Structured video curriculum, Evidence-based peptide library, Private research log, COA scanner, Live coaching sessions, Community discussion space

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PeptideU Premium Monthly | $9.99 | per month |
| PeptideU Premium Yearly | $99.99 | per year |


## Frequently asked questions

### Is PEPTIDEX free?

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

### Is PeptideU free?

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

### Do PEPTIDEX or PeptideU have ads?

Neither PEPTIDEX nor PeptideU shows ads.

### Which is updated more often, PEPTIDEX or PeptideU?

PEPTIDEX ships an update every 6 days, and PeptideU every 11 days. Most recently, PEPTIDEX was updated on October 18, 2026 and PeptideU on October 24, 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.*