# Peptide Tracker vs PeptideFox

The clearest difference is review sentiment: PeptideFox at 100% against Peptide Tracker's 50%. PeptideFox also leads on ads (none vs shown) and rating (5.0 vs 4.6). Peptide Tracker's advantage is ratings volume (51 vs 3). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Peptide Tracker sells 8 in-app purchases, starting at $7.99 per 7 days and PeptideFox sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

PeptideFox holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Peptide Tracker has 51 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 50% of Peptide Tracker's written reviews are positive against 100% of PeptideFox's.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on September 29, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Peptide Tracker | PeptideFox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (51 ratings)](https://appshunter.io/ios/app/peptide-tracker-pepsync/id6754186869/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/peptidefox/id6758572242/reviews)** |
| Number of ratings | **51** | 3 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | Weekly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 38 MB | 14 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [Thomas Strathern](https://appshunter.io/developer/1785242207) | [HZ29 Inc.](https://appshunter.io/developer/1873736740) |

## What reviewers say

### Peptide Tracker

[App page](https://appshunter.io/ios/app/peptide-tracker-pepsync/id6754186869)

This app simplifies peptide use by calculating accurate dosages, tracking injections, and setting reminders for consistency. Manage multiple peptides and review your history with a clear and reliable interface.

**Highlights:** Smart peptide calculator for accurate dosing, Log and track peptide injections, Set reminders for consistency, Review injection and dosage history, Manage multiple peptides, Designed for clarity and reliability

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $7.99 | per 7 days |
| Premium Weekly | $7.99 | per 7 days |
| PepSync Weekly | $7.99 | per 7 days |
| Premium Yearly | $59.99 | per year |
| Premium Annual | $59.99 | per year |
| Premium Annual - 3 Day Trial | $59.99 | per year |
| Premium Annual - 30 Day Trial | $59.99 | per year |
| Premium Lifetime | $59.99 | one-time |


### PeptideFox

[App page](https://appshunter.io/ios/app/peptidefox/id6758572242)

This app simplifies peptide math and tracking for users managing peptide protocols. It calculates precise dosages, logs daily injections, and helps build custom protocols. Manage vial inventory and track multiple peptides simultaneously for optimal results.

**Highlights:** Reconstitution calculator, Daily dose and injection log, Custom protocol management, Vial inventory tracking, Supports various peptide compounds, Private and secure data storage

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is Peptide Tracker free?

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

### Is PeptideFox free?

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

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

PeptideFox is rated higher. Peptide Tracker averages 4.6 out of 5 from 51 ratings, while PeptideFox averages 5.0 from 3 ratings.

### Do Peptide Tracker or PeptideFox have ads?

Peptide Tracker shows ads; PeptideFox does not.

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

Peptide Tracker ships an update weekly, and PeptideFox weekly. Most recently, Peptide Tracker was updated on September 29, 2026 and PeptideFox on September 9, 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.*