# PepStash vs Polypep

PepStash and Polypep 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. Neither carries in-app purchases, so what you see is what you pay.

PepStash ships an update every 3 days, Polypep every 2 days. Both last shipped on September 24, 2026.

## The numbers

| Metric | PepStash | Polypep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pepstash/id6760975200/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | Free | — |
| Size | 3 MB | 59 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Aaron Voges](https://appshunter.io/developer/1866792993) | [Dal Rupnik](https://appshunter.io/developer/631308099) |

## What reviewers say

### PepStash

[App page](https://appshunter.io/ios/app/pepstash/id6760975200)

Manage your peptide inventory, track costs, and log doses with this personal companion app. It helps calculate concentrations, suggests ideal water amounts, and syncs data across household devices via iCloud for seamless sharing and reminders.

**Highlights:** Peptide inventory management, Cost per milligram calculation, Reconstitution concentration calculator, Dose logging with vial tracking, Household data syncing via iCloud, Dose reminders and alerts, Purity test result linking

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

**In-app purchases:** none


### Polypep

[App page](https://appshunter.io/ios/app/polypep/id6768591859)

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

**In-app purchases:** none


## Frequently asked questions

### Is PepStash free?

PepStash is free to download, with no in-app purchases.

### Is Polypep free?

Polypep is free to download, with no in-app purchases.

### Do PepStash or Polypep have ads?

Neither PepStash nor Polypep shows ads.

### Which is updated more often, PepStash or Polypep?

PepStash ships an update every 3 days, and Polypep every 2 days. Most recently, PepStash was updated on September 24, 2026 and Polypep on September 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.*