# Helix vs Peptide Tracker

The clearest difference is update cadence: Helix at weekly against Peptide Tracker's fortnightly. Helix also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Helix sells 2 in-app purchases, starting at $9.99 per month and Peptide Tracker sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Helix ships an update weekly, Peptide Tracker fortnightly. The most recent releases landed on September 23, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Helix | Peptide Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Size | 53 MB | 16 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 17+ | 17+ |
| Developer | [Nadja Felk](https://appshunter.io/developer/1869902294) | [Mitaanshu Agarwal](https://appshunter.io/developer/1896724075) |

## What reviewers say

### Helix

[App page](https://appshunter.io/ios/app/helix-stack-and-peptide-tracker/id6763740232)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Helix Pro - Monthly | $9.99 | per month |
| Helix Pro - Yearly | $59.99 | per year |


### Peptide Tracker

[App page](https://appshunter.io/ios/app/peptide-tracker-vialry-log/id6771655737)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vialry Pro Monthly | $7.99 | per month |
| Vialry Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is Helix free?

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

### Is Peptide Tracker free?

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

### Do Helix or Peptide Tracker have ads?

Neither Helix nor Peptide Tracker shows ads.

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

Helix ships an update weekly, and Peptide Tracker fortnightly. Most recently, Helix was updated on September 23, 2026 and Peptide Tracker on September 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*