# PepTrac vs StackMindr

The clearest difference is device support: StackMindr at 3 against PepTrac's 1. StackMindr also leads on iOS requirement (15.0 vs 18.1). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. PepTrac sells 2 in-app purchases, starting at $3.99 per month and StackMindr sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for PepTrac against 5.0 for StackMindr. Both are backed by a comparable volume of ratings — 3 and 6 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

PepTrac ships an update every 5 days, StackMindr every 4 days. The most recent releases landed on August 18, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | PepTrac | StackMindr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/peptrac-peptide-tracker/id6748480698/reviews) | [5.0 (6 ratings)](https://appshunter.io/ios/app/stackmindr/id6762165518/reviews) |
| Number of ratings | 3 | **6** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 4 days** |
| Monetization | Freemium | Freemium |
| Size | 40 MB | 24 MB |
| Requires iOS | 18.1 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Vivatek Innovations, LLC](https://appshunter.io/developer/1825933493) | [StackMindr LLC](https://appshunter.io/developer/1893201584) |

## What reviewers say

### PepTrac

[App page](https://appshunter.io/ios/app/peptrac-peptide-tracker/id6748480698)

Manage peptide protocols with a comprehensive tracker. Log shots, build custom schedules, and monitor peptide levels. Includes built-in calculators and analytics for detailed progress tracking.

**Highlights:** Dashboard view of daily shots and progress, Quick shot logging with notes and site tracking, Protocol builder for multi-peptide routines, Configurable reminders for shot times, Estimated peptide level tracking, Built-in reconstitution and concentration calculators, Daily logs for symptoms and outcomes, Injection site rotation guidance

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PepTrac Premium | $3.99 | per month |
| PepTrac Premium Yearly | $29.99 | per year |


### StackMindr

[App page](https://appshunter.io/ios/app/stackmindr/id6762165518)

Track peptides, hormones, and supplements with detailed scheduling, inventory management, and dose calculators. Access a comprehensive glossary and receive smart reminders to stay on track with your health protocols.

**Highlights:** Daily dose tracking, Smart scheduling by cycle, Dose calculators, Inventory management, Glossary of compounds, AI protocol assistant (Pro), Dose reminders

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StackMindr Pro | $4.99 | per month |


## Frequently asked questions

### Is PepTrac free?

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

### Is StackMindr free?

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

### Which has better reviews, PepTrac or StackMindr?

PepTrac and StackMindr are both rated 5.0 out of 5 on the App Store, from 3 and 6 ratings respectively.

### Do PepTrac or StackMindr have ads?

Neither PepTrac nor StackMindr shows ads.

### Which is updated more often, PepTrac or StackMindr?

PepTrac ships an update every 5 days, and StackMindr every 4 days. Most recently, PepTrac was updated on August 18, 2026 and StackMindr 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.*