# SZOS vs ZORDAI

The clearest difference is rating: ZORDAI at 3.4 against SZOS's 2.8. ZORDAI also leads on ads (none vs shown) and review sentiment (31% vs 5%). On price, ratings volume, update cadence and in-app purchases there is nothing between them.

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

ZORDAI holds the better App Store score, 3.4 against 2.8. Both are backed by a comparable volume of ratings — 105 and 47 respectively. Written reviews point the same way: 5% of SZOS's written reviews are positive against 31% of ZORDAI's.

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | SZOS | ZORDAI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.8 (105 ratings)](https://appshunter.io/ios/app/szos/id1543848875/reviews) | **[3.4 (47 ratings)](https://appshunter.io/ios/app/zordai/id1635093895/reviews)** |
| Number of ratings | **105** | 47 |
| Positive reviews | 5.3% of reviews | **30.6% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Ad-supported | **Free** |
| Size | 70 MB | 133 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [晟 谷](https://appshunter.io/developer/1543671031) | [SHEN ZHEN ZHONGDAI E-commerce Co.,Ltd](https://appshunter.io/developer/1641852036) |

## 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

**What reviewers like**

- 👍 Watch looks good
- 👍 Watch features were great

**What reviewers complain about**

- 🐛 App not working
- 🐛 App crashes
- 🐛 App freezes
- 🐛 White screen of death
- 🐛 App doesn't open

**Reported bugs**

- App needs update and fix
- App has white screen of death
- App hasn't been updated in a year
- App will not open
- App no longer functions or is supported

**Requested features**

- Update and fix the app
- App needs background app refresh
- Find phone feature
- Weather stay updated
- Celsius/Fahrenheit selector


### ZORDAI

[App page](https://appshunter.io/ios/app/zordai/id1635093895)

This smart watch application provides comprehensive health and fitness tracking. It offers features like message reminders, alarm clocks, sedentary alerts, and detailed exercise monitoring including pedometer and calorie tracking. It also integrates with Apple Health for seamless data synchronization.

**Highlights:** Message reminders, Alarm clock, Sedentary/drinking reminders, Exercise pedometer, Calorie tracking, 24-hour exercise monitoring, Apple Health integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SZOS free?

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

### Is ZORDAI free?

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

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

ZORDAI is rated higher. SZOS averages 2.8 out of 5 from 105 ratings, while ZORDAI averages 3.4 from 47 ratings.

### Do SZOS or ZORDAI have ads?

SZOS shows ads; ZORDAI does not.

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

SZOS ships an update every 3 weeks, and ZORDAI every 3 weeks. Most recently, SZOS was updated on November 3, 2026 and ZORDAI on November 3, 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.*