# StackMindr vs Peptide Tracker

The clearest difference is device support: StackMindr at 3 against Peptide Tracker's 1. StackMindr also leads on iOS requirement (15.0 vs 18.0). Peptide Tracker's advantage is ratings volume (22 vs 6). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. StackMindr sells 1 in-app purchase, starting at $4.99 per month and Peptide Tracker sells 2 in-app purchases, starting at $7.99 per 7 days. 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 StackMindr against 4.9 for Peptide Tracker. Both are backed by a comparable volume of ratings — 6 and 22 respectively. Written reviews are what separate them: 100% of StackMindr's written reviews are positive against 92% of Peptide Tracker's.

StackMindr ships an update every 4 days, Peptide Tracker weekly. The most recent releases landed on September 24, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | StackMindr | Peptide Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/stackmindr/id6762165518/reviews)** | [4.9 (22 ratings)](https://appshunter.io/ios/app/peptide-tracker-openpep/id6771703417/reviews) |
| Number of ratings | 6 | **22** |
| Positive reviews | **100.0% of reviews** | 92.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | Freemium | Freemium |
| Size | 24 MB | 20 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [StackMindr LLC](https://appshunter.io/developer/1893201584) | [Antonio Ferrara](https://appshunter.io/developer/1614412867) |

## What reviewers say

### 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 |


### Peptide Tracker

[App page](https://appshunter.io/ios/app/peptide-tracker-openpep/id6771703417)

Organize, schedule, and calculate your peptide routines with this private tracker. Log dosages, instantly calculate reconstitution mixtures, and set custom schedules to ensure you never miss a dose. Designed for offline use, it simplifies managing your protocols.

**Highlights:** Reconstitution helper for water ratios, Customizable scheduling, Daily dose tracking with notes, Private and secure offline data storage, Instant mixture calculations

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $7.99 | per 7 days |
| Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is StackMindr free?

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

### Is Peptide Tracker free?

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

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

StackMindr is rated higher. StackMindr averages 5.0 out of 5 from 6 ratings, while Peptide Tracker averages 4.9 from 22 ratings.

### Do StackMindr or Peptide Tracker have ads?

Neither StackMindr nor Peptide Tracker shows ads.

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

StackMindr ships an update every 4 days, and Peptide Tracker weekly. Most recently, StackMindr was updated on September 24, 2026 and Peptide Tracker on September 29, 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.*