# DoseRhythm vs PepStash

The clearest difference is update cadence: PepStash at every 3 days against DoseRhythm's every 2 weeks. DoseRhythm's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DoseRhythm ships an update every 2 weeks, PepStash every 3 days. The most recent releases landed on November 9, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | DoseRhythm | PepStash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/pepstash/id6760975200/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | — | Free |
| Size | 46 MB | 3 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Steve Olson](https://appshunter.io/developer/1876760883) | [Aaron Voges](https://appshunter.io/developer/1866792993) |

## What reviewers say

### DoseRhythm

[App page](https://appshunter.io/ios/app/doserhythm/id6759083545)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is DoseRhythm free?

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

### Is PepStash free?

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

### Do DoseRhythm or PepStash have ads?

Neither DoseRhythm nor PepStash shows ads.

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

DoseRhythm ships an update every 2 weeks, and PepStash every 3 days. Most recently, DoseRhythm was updated on November 9, 2026 and PepStash on November 1, 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.*