# HealthSync vs StackTrackr

The clearest difference is in-app purchases: HealthSync at none against StackTrackr's 2. HealthSync also leads on iOS requirement (17.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. StackTrackr sells 2 in-app purchases, starting at $4.99 per month. HealthSync asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 6, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | HealthSync | StackTrackr |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | — | Freemium |
| Size | 1 MB | 60 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [Ammar Mahmood](https://appshunter.io/developer/1879053656) | [PeakHaus Fitness LLC](https://appshunter.io/developer/1879898877) |

## What reviewers say

### HealthSync

[App page](https://appshunter.io/ios/app/healthsync/id6759500944)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is HealthSync free?

HealthSync is free to download, with no in-app purchases.

### Is StackTrackr free?

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

### Do HealthSync or StackTrackr have ads?

Neither HealthSync nor StackTrackr shows ads.

### Which is updated more often, HealthSync or StackTrackr?

HealthSync ships an update weekly, and StackTrackr weekly. Most recently, HealthSync was updated on October 6, 2026 and StackTrackr on October 14, 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.*