# StackTrackr vs Peptide Manager

The clearest difference is device support: Peptide Manager at 4 against StackTrackr's 2. Peptide Manager also leads on iOS requirement (15.5 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. StackTrackr sells 2 in-app purchases, starting at $4.99 per month and Peptide Manager sells 16 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | StackTrackr | Peptide Manager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/stacktrackr-peptide-tracker/id6759632056/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Freemium | — |
| Size | 60 MB | 200 MB |
| Requires iOS | 26.0 | **15.5** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 17+ | 4+ |
| Developer | [PeakHaus Fitness LLC](https://appshunter.io/developer/1879898877) | [Digital Therapeutics](https://appshunter.io/developer/1721663167) |

## What reviewers say

### StackTrackr

[App page](https://appshunter.io/ios/app/stacktrackr-peptide-tracker/id6759632056)

This app helps manage hormone therapy, peptide protocols, and research compounds. It calculates doses, tracks injections, manages vial inventory, and builds custom schedules. Log doses quickly from your watch or widgets, and access a database of verified compounds.

**Highlights:** Reconstitution calculator, Dose tracking and logging, Multi-compound protocol management, Vial inventory management, Streak tracking, Verified compound database, Apple Health integration

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro — Monthly | $4.99 | per month |
| Pro — 6 Months | $24.99 | per 6 months |


### Peptide Manager

[App page](https://appshunter.io/ios/app/peptide-manager/id6762540030)

**Features:** macOS Compatibility, Siri integration, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (16)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lite Monthly | $6.99 | per month |
| weekly access | $6.99 | per 7 days |
| weather max | $9.99 | per 3 months |
| monthly access | $9.99 | per month |
| carey ai max | $19.99 | per month |
| carey ai ultra | $29.99 | per month |
| Lite Yearly | $29.99 | per year |
| premium sale | $29.99 | per year |
| smart pass | $29.99 | per month |
| extended access | $39.99 | per year |
| yearly access | $39.99 | per year |
| 7-Day Trial | $49.99 | per year |
| free trial | $59.99 | per year |
| carey ai credits | $8.99 | one-time |
| Care Plan | $9.99 | one-time |
| Lifetime Premium | $149.99 | one-time |


## Frequently asked questions

### Is StackTrackr free?

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

### Is Peptide Manager free?

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

### Do StackTrackr or Peptide Manager have ads?

Neither StackTrackr nor Peptide Manager shows ads.

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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.*