# Peptide Tracker vs Peptide Stack

The clearest difference is rating: Peptide Tracker at 4.8 against Peptide Stack's 4.2. Peptide Tracker also leads on ads (none vs shown) and ratings volume (445 vs 5). Peptide Stack's advantage is update cadence (daily vs every 2 weeks). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

Both are free to download. Peptide Tracker sells 7 in-app purchases, starting at $0.99 per 7 days and Peptide Stack sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Peptide Tracker holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: Peptide Tracker has 445 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 74% of Peptide Tracker's written reviews are positive against 67% of Peptide Stack's.

Peptide Tracker ships an update every 2 weeks, Peptide Stack daily. The most recent releases landed on November 13, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Peptide Tracker | Peptide Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (445 ratings)](https://appshunter.io/ios/app/peptide-tracker-pepflow/id6740525224/reviews)** | [4.2 (5 ratings)](https://appshunter.io/ios/app/peptide-stack-glp-1-tracker/id6759533641/reviews) |
| Number of ratings | **445** | 5 |
| Positive reviews | **73.5% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 184 MB | 13 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [keinois OU](https://appshunter.io/developer/1597616328) | [Brandon King](https://appshunter.io/developer/1879265719) |

## What reviewers say

### Peptide Tracker

[App page](https://appshunter.io/ios/app/peptide-tracker-pepflow/id6740525224)

Log peptide injections, manage flexible schedules, and receive timely reminders. This app helps you keep track of your treatment protocols, preparation details, and dose history, ensuring you stay on track with your health regimen. View upcoming and past doses in a calendar and sync data across devices.

**Highlights:** Log peptide injections and other medication types, Manage flexible schedules and reminders, Save preparation details for peptides, Review dose history and upcoming doses, Calendar view of doses, Widgets and Live Activities for schedule checks, iCloud sync across iPhone and iPad

**Features:** Family Sharing

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PepFlow PRO (Weekly) | $0.99 | per 7 days |
| PepFlow PRO (Weekly) | $2.99 | per 7 days |
| PepFlow PRO (Monthly) | $2.99 | per month |
| PepFlow PRO (Weekly) | $3.99 | per 7 days |
| PepFlow PRO (Annual) | $8.99 | per year |
| PepFlow PRO (Monthly) | $9.99 | per month |
| PepFlow PRO (Annual) | $29.99 | per year |


### Peptide Stack

[App page](https://appshunter.io/ios/app/peptide-stack-glp-1-tracker/id6759533641)

Track your GLP-1 medication doses and monitor your weight progress. This app supports various peptide medications and custom stacks, helping you manage your health journey.

**Highlights:** GLP-1 medication tracking, Weight progress monitoring, Custom peptide stack support, Dose logging, Subscription management

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $9.99 | per month |
| Annual Plan | $49.99 | per year |


## Frequently asked questions

### Is Peptide Tracker free?

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

### Is Peptide Stack free?

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

### Which has better reviews, Peptide Tracker or Peptide Stack?

Peptide Tracker is rated higher. Peptide Tracker averages 4.8 out of 5 from 445 ratings, while Peptide Stack averages 4.2 from 5 ratings.

### Do Peptide Tracker or Peptide Stack have ads?

Peptide Stack shows ads; Peptide Tracker does not.

### Which is updated more often, Peptide Tracker or Peptide Stack?

Peptide Tracker ships an update every 2 weeks, and Peptide Stack daily. Most recently, Peptide Tracker was updated on November 13, 2026 and Peptide Stack on November 5, 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.*