# Athyx vs Star Chaser Run

The clearest difference is update cadence: Athyx at every 2 days against Star Chaser Run's every 8 days. Athyx also leads on device support (4 vs 2) and iOS requirement (15.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Athyx ships an update every 2 days, Star Chaser Run every 8 days. The most recent releases landed on October 17, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Athyx | Star Chaser Run |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/athyx/id6760621883/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 8 days |
| Monetization | Free | — |
| Size | 19 MB | 12 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Athyx, Inc.](https://appshunter.io/developer/1885372082) | [Lukasz Pomianek](https://appshunter.io/developer/1890450297) |

## What reviewers say

### Athyx

[App page](https://appshunter.io/ios/app/athyx/id6760621883)

This app helps athletes estimate training intensity by capturing lactate data. It provides insights into training sessions and offers educational content on performance metrics. Review your past activities and understand training patterns with a simple interface.

**Highlights:** Lactate data capture, Training intensity guidance, Performance metric insights, Session history review, Educational training content, Simple interface for athletes

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

**In-app purchases:** none


### Star Chaser Run

[App page](https://appshunter.io/ios/app/star-chaser-run/id6761955893)

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

**In-app purchases:** none


## Frequently asked questions

### Is Athyx free?

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

### Is Star Chaser Run free?

Star Chaser Run is free to download, with no in-app purchases.

### Do Athyx or Star Chaser Run have ads?

Neither Athyx nor Star Chaser Run shows ads.

### Which is updated more often, Athyx or Star Chaser Run?

Athyx ships an update every 2 days, and Star Chaser Run every 8 days. Most recently, Athyx was updated on October 17, 2026 and Star Chaser Run on October 7, 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.*