# RWECS vs Athyx

The clearest difference is in-app purchases: Athyx at none against RWECS's 1. Athyx also leads on update cadence (every 2 days vs every 6 days) and iOS requirement (15.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. RWECS sells 1 in-app purchase, starting at $1.99 per month. Athyx asks for nothing beyond the download.

RWECS ships an update every 6 days, Athyx every 2 days. The most recent releases landed on October 18, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | RWECS | Athyx |
| --- | --- | --- |
| 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 | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 2 days** |
| Monetization | — | Free |
| Size | 25 MB | 19 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Dmitry Babenko](https://appshunter.io/developer/1823448935) | [Athyx, Inc.](https://appshunter.io/developer/1885372082) |

## What reviewers say

### RWECS

[App page](https://appshunter.io/ios/app/rwecs/id6747927317)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Level Monthly Subscription | $1.99 | per month |


### 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


## Frequently asked questions

### Is RWECS free?

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

### Is Athyx free?

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

### Do RWECS or Athyx have ads?

Neither RWECS nor Athyx shows ads.

### Which is updated more often, RWECS or Athyx?

RWECS ships an update every 6 days, and Athyx every 2 days. Most recently, RWECS was updated on October 18, 2026 and Athyx on October 17, 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.*