# Vo2max靜態推算 vs Simple Stress Watch

The clearest difference is update cadence: Simple Stress Watch at weekly against Vo2max靜態推算's every 14 months. Vo2max靜態推算's advantage is iOS requirement (16.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Vo2max靜態推算 ships an update every 14 months, Simple Stress Watch weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Vo2max靜態推算 | Simple Stress Watch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.6 (8 ratings)](https://appshunter.io/ios/app/simple-stress-watch/id6770392749/reviews)** |
| Number of ratings | — | **8** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Weekly** |
| Monetization | — | Free |
| Size | 3 MB | 8 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [Shun Man Leung](https://appshunter.io/developer/1684190351) | [Ganotis Holdings, Inc.](https://appshunter.io/developer/939480375) |

## What reviewers say

### Vo2max靜態推算

[App page](https://appshunter.io/ios/app/vo2max/id6745766162)

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple Stress Watch

[App page](https://appshunter.io/ios/app/simple-stress-watch/id6770392749)

This app displays your heart rate variability as a simple recovery meter on your Apple Watch face. It uses data from Apple Health to show your recovery status with a colored zone, offering a quick, at-a-glance understanding of your well-being. Your personal data remains on your device for privacy.

**Highlights:** Heart rate variability recovery meter, Apple Watch face complications, Reads data from Apple Health, Personalized rolling baseline comparison, Colored recovery zones, Minimalist and simple design, On-device data storage

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Vo2max靜態推算 free?

Vo2max靜態推算 is free to download, with no in-app purchases.

### Is Simple Stress Watch free?

Simple Stress Watch is free to download, with no in-app purchases.

### Do Vo2max靜態推算 or Simple Stress Watch have ads?

Neither Vo2max靜態推算 nor Simple Stress Watch shows ads.

### Which is updated more often, Vo2max靜態推算 or Simple Stress Watch?

Vo2max靜態推算 ships an update every 14 months, and Simple Stress Watch weekly. Most recently, Vo2max靜態推算 was updated on October 24, 2026 and Simple Stress Watch on October 25, 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.*