# SZOS vs OFITPRO

The clearest difference is ads: OFITPRO at none against SZOS's shown. OFITPRO also leads on rating (3.0 vs 2.8) and monetization model (free vs ad-supported). SZOS's advantage is update cadence (every 3 weeks vs every 2 months) and ratings volume (105 vs 34). On price, review sentiment, 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.

OFITPRO holds the better App Store score, 3.0 against 2.8. Both are backed by a comparable volume of ratings — 105 and 34 respectively. Written reviews point the same way: 5% of SZOS's written reviews are positive against 11% of OFITPRO's.

SZOS ships an update every 3 weeks, OFITPRO every 2 months. Both last shipped on October 18, 2026.

## The numbers

| Metric | SZOS | OFITPRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (105 ratings)](https://appshunter.io/ios/app/szos/id1543848875/reviews) | **[3.0 (34 ratings)](https://appshunter.io/ios/app/ofitpro/id1587332585/reviews)** |
| Number of ratings | **105** | 34 |
| Positive reviews | 5.3% of reviews | **11.1% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Ad-supported | **Free** |
| Size | 70 MB | 189 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [晟 谷](https://appshunter.io/developer/1543671031) | [Shenzhen United Power Technology Co., Ltd.](https://appshunter.io/developer/1447215451) |

## 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


### OFITPRO

[App page](https://appshunter.io/ios/app/ofitpro/id1587332585)

This smart fitness tool connects to Bluetooth watches to track exercise and health data, including activity, heart rate, and sleep. It offers personalized plans and guidance to help users achieve fitness goals and improve overall well-being. The app supports multiple languages for easy use.

**Highlights:** Bluetooth watch connectivity, Activity tracking, Heart rate monitoring, Sleep quality tracking, Personalized fitness plans, Health guidance

**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 OFITPRO free?

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

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

OFITPRO is rated higher. SZOS averages 2.8 out of 5 from 105 ratings, while OFITPRO averages 3.0 from 34 ratings.

### Do SZOS or OFITPRO have ads?

SZOS shows ads; OFITPRO does not.

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

SZOS ships an update every 3 weeks, and OFITPRO every 2 months. Most recently, SZOS was updated on October 18, 2026 and OFITPRO on October 18, 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.*