# DoseRhythm vs Helix

The clearest difference is in-app purchases: DoseRhythm at none against Helix's 2. On price, update cadence, ads 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. DoseRhythm asks for nothing beyond the download.

DoseRhythm ships an update every 2 weeks, Helix weekly. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | DoseRhythm | Helix |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 46 MB | 53 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Steve Olson](https://appshunter.io/developer/1876760883) | [Nadja Felk](https://appshunter.io/developer/1869902294) |

## What reviewers say

### DoseRhythm

[App page](https://appshunter.io/ios/app/doserhythm/id6759083545)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is DoseRhythm free?

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

### Is Helix free?

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

### Do DoseRhythm or Helix have ads?

Neither DoseRhythm nor Helix shows ads.

### Which is updated more often, DoseRhythm or Helix?

DoseRhythm ships an update every 2 weeks, and Helix weekly. Most recently, DoseRhythm was updated on September 22, 2026 and Helix on September 23, 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.*