# SZOS vs Gymwatch

The clearest difference is iOS requirement: Gymwatch at 10.0 against SZOS's 13.0. On price, review sentiment, update cadence and ads there is nothing between them.

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

SZOS ships an update every 3 weeks, Gymwatch monthly. The most recent releases landed on October 18, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SZOS | Gymwatch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (105 ratings)](https://appshunter.io/ios/app/szos/id1543848875/reviews)** | — |
| Number of ratings | **105** | — |
| Positive reviews | **5.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Ad-supported | Ad-supported |
| Size | 70 MB | 176 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [晟 谷](https://appshunter.io/developer/1543671031) | [深圳市威尔健康管理科技有限公司](https://appshunter.io/developer/1510506947) |

## What reviewers say

### SZOS

[App page](https://appshunter.io/ios/app/szos/id1543848875)

This app syncs with a smart watch to track your daily activity, including steps, heart rate, and sleep patterns. It provides insights into your health and fitness metrics.

**Highlights:** Step tracking, Heart rate monitoring, Sleep analysis, Syncs with smart watch, Activity mode

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

**In-app purchases:** none


### Gymwatch

[App page](https://appshunter.io/ios/app/gymwatch/id1671262468)

This app connects to a smart bracelet via Bluetooth to monitor and evaluate your exercise data and sleep quality. It helps users understand and adjust their daily routines more effectively. The app integrates with HealthKit for data synchronization.

**Highlights:** Bluetooth connectivity with smart bracelets, Exercise data monitoring and evaluation, Sleep quality assessment, HealthKit data synchronization, GPS for workout tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is SZOS free?

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

### Is Gymwatch free?

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

### Do SZOS or Gymwatch have ads?

Both SZOS and Gymwatch show ads.

### Which is updated more often, SZOS or Gymwatch?

SZOS ships an update every 3 weeks, and Gymwatch monthly. Most recently, SZOS was updated on October 18, 2026 and Gymwatch on October 10, 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.*