# SZOS vs QiFitPro

The clearest difference is rating: QiFitPro at 3.5 against SZOS's 2.8. QiFitPro also leads on review sentiment (27% vs 6%) and iOS requirement (10.0 vs 13.0). On price, ratings volume, 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.

QiFitPro holds the better App Store score, 3.5 against 2.8. Both are backed by a comparable volume of ratings — 105 and 45 respectively. Written reviews point the same way: 6% of SZOS's written reviews are positive against 27% of QiFitPro's.

SZOS ships an update every 3 weeks, QiFitPro monthly. The most recent releases landed on September 30, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | SZOS | QiFitPro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (105 ratings)](https://appshunter.io/ios/app/szos/id1543848875/reviews) | **[3.5 (45 ratings)](https://appshunter.io/ios/app/qifitpro/id6470677563/reviews)** |
| Number of ratings | **105** | 45 |
| Positive reviews | 5.6% of reviews | **27.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Ad-supported | Ad-supported |
| Size | 70 MB | 353 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [晟 谷](https://appshunter.io/developer/1543671031) | [国鑫 谢](https://appshunter.io/developer/1713894615) |

## 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


### QiFitPro

[App page](https://appshunter.io/ios/app/qifitpro/id6470677563)

Connect your sports watch to monitor steps, calories, distance, heart rate, and sleep patterns. Visualize your progress with graphs and set personalized fitness goals to stay motivated on your health journey.

**Highlights:** Seamless sports watch connectivity, Real-time data tracking, Comprehensive fitness insights, Sleep pattern analysis, Heart rate monitoring, Progress visualization, Customizable fitness goals

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

**In-app purchases:** none

**What reviewers like**

- 👍 Decent app functionality
- 🚀 Smooth performance
- 💡 Good companion for Hello Watch 3+

**What reviewers complain about**

- 🐛 Connectivity issues
- 🔋 Battery drain
- 💤 Lack of feature updates
- 🤖 Poor translation/localization

**Reported bugs**

- Weather information not working correctly
- Disconnection between watch and app
- Time/date sync issues
- Unreliable sensor data

**Requested features**

- More watch faces and customization options
- Improved notification support (WhatsApp, Telegram, etc.)
- Integration with Apple Health
- Additional language support


## Frequently asked questions

### Is SZOS free?

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

### Is QiFitPro free?

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

### Which has better reviews, SZOS or QiFitPro?

QiFitPro is rated higher. SZOS averages 2.8 out of 5 from 105 ratings, while QiFitPro averages 3.5 from 45 ratings.

### Do SZOS or QiFitPro have ads?

Both SZOS and QiFitPro show ads.

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

SZOS ships an update every 3 weeks, and QiFitPro monthly. Most recently, SZOS was updated on September 30, 2026 and QiFitPro on September 29, 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.*