# Athyx vs Atomic Metrix

The clearest difference is rating: Atomic Metrix at 5.0 against Athyx's 2.3. Athyx's advantage is update cadence (every 2 days vs weekly) and iOS requirement (15.0 vs 17.0). On price, ratings volume, 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.

Atomic Metrix holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

Athyx ships an update every 2 days, Atomic Metrix weekly. The most recent releases landed on October 17, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Athyx | Atomic Metrix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/athyx/id6760621883/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/atomic-metrix/id6764720596/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | Free | Free |
| Size | 19 MB | 8 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [Athyx, Inc.](https://appshunter.io/developer/1885372082) | [Changjie Lu](https://appshunter.io/developer/1877039500) |

## 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


### Atomic Metrix

[App page](https://appshunter.io/ios/app/atomic-metrix/id6764720596)

This app consolidates your sports data, including rides, runs, and health metrics, into a single platform. It analyzes your activities, tracks training load, and provides insights into performance changes. Plan routes and workouts, and receive readiness signals to optimize your athletic performance.

**Highlights:** Unified sports data consolidation, Activity analysis and trend comparison, Training load and performance insights, Readiness signals from health data, Route and workout planning, Apple Health integration

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

**In-app purchases:** none


## Frequently asked questions

### Is Athyx free?

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

### Is Atomic Metrix free?

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

### Which has better reviews, Athyx or Atomic Metrix?

Atomic Metrix is rated higher. Athyx averages 2.3 out of 5 from 3 ratings, while Atomic Metrix averages 5.0 from 2 ratings.

### Do Athyx or Atomic Metrix have ads?

Neither Athyx nor Atomic Metrix shows ads.

### Which is updated more often, Athyx or Atomic Metrix?

Athyx ships an update every 2 days, and Atomic Metrix weekly. Most recently, Athyx was updated on October 17, 2026 and Atomic Metrix on October 11, 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.*