# Biolyze vs PepStack Pro

Biolyze and PepStack Pro 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. Biolyze sells 5 in-app purchases, starting at $8.99 per month and PepStack Pro sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

Biolyze ships an update every 9 days, PepStack Pro every 8 days. The most recent releases landed on September 24, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Biolyze | PepStack Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (11 ratings)](https://appshunter.io/ios/app/pepstack-pro/id6760684355/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 8 days** |
| Monetization | — | Freemium |
| Size | 116 MB | 39 MB |
| Requires iOS | 15.5 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [A&K Worldwide Enterprises FZCO](https://appshunter.io/developer/1840931803) | [MyFlowMD, LLC](https://appshunter.io/developer/1885185443) |

## What reviewers say

### Biolyze

[App page](https://appshunter.io/ios/app/biolyze-supplement-scanner/id6758883176)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Biolyze Premium Monthly | $8.99 | per month |
| Biolyze Premium Yearly | $49.99 | per year |
| Biolyze Single Scan | $3.99 | one-time |
| Biolyze 3-Pack Scans | $8.99 | one-time |
| Biolyze 10-Pack Scans | $24.99 | one-time |


### PepStack Pro

[App page](https://appshunter.io/ios/app/pepstack-pro/id6760684355)

This app provides a comprehensive database of peptides, personalized protocol recommendations, and tools to track your peptide journey. Monitor injections, log progress, and check for interactions to optimize your health and wellness goals safely.

**Highlights:** Peptide database with clinical data, Personalized peptide recommendations, Interaction checker for peptide safety, Physician-designed protocol templates, Injection schedule and dose tracking, Lab and progress journaling, Direct physician connection

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PepStack Pro Premium | $8.99 | per month |
| PepStack Pro Premium | $49.99 | per year |


## Frequently asked questions

### Is Biolyze free?

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

### Is PepStack Pro free?

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

### Do Biolyze or PepStack Pro have ads?

Neither Biolyze nor PepStack Pro shows ads.

### Which is updated more often, Biolyze or PepStack Pro?

Biolyze ships an update every 9 days, and PepStack Pro every 8 days. Most recently, Biolyze was updated on September 24, 2026 and PepStack Pro on October 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*