SZOS vs HaFit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SZOS
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.
- Step tracking
- Heart rate monitoring
- Sleep analysis
- Syncs with smart watch
- Activity mode
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"SZOS APP设计为与SZOS智能手表配合使用， 它可以帮助您测量步数，心率，睡眠等" 【温馨提示】 用户开启运动模式后，手机切换至后台仍会持续定位，长时间使用GPS在后台运行可能显著减少电池寿命,影响续航时间。
HaFit
Track your fitness activities, monitor sleep patterns, and receive personalized health insights. Connect with your wearable device for convenient notifications and settings. Visualize your progress with detailed charts and sync data with Apple Health.
- Real-time activity tracking
- Sleep data analysis
- Wearable device integration
- Personalized notifications
- Activity visualization
- Apple Health synchronization
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应用描述： 功能： -实时测量和记录运动数据，提供周或月运动趋势图，使运动情况一目了然； -检测睡眠数据，记录深度睡眠时长、浅睡眠时间，帮助用户实时了解自己的睡眠状况； -连接手环后，可以进行通话提醒、智能闹钟、久坐提醒、步数等多项个性化设置，为用户的生活提供更多便利； -记录你的骑行、跑步等，将结果数据可视化； -您可以将数据同步到苹果健康，将步数、卡路里、距离、心率等数据同步； 注： -支持【健康】应用，授权后可以同步步数、卡路里和距离到【健康】应用。 -在后台连续运行GPS可能会缩短电池寿命。
Screenshots
Verdict
The clearest difference is ads: HaFit at none against SZOS's shown. HaFit also leads on monetization model (free vs ad-supported). SZOS's advantage is rating (2.8 vs 2.5). On price, review sentiment, ratings volume and update cadence there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SZOS holds the better App Store score, 2.8 against 2.5. Both are backed by a comparable volume of ratings — 105 and 57 respectively. Written reviews split almost evenly too, at 6% and 6% positive.
SZOS ships an update every 3 weeks, HaFit fortnightly. The most recent releases landed on September 12, 2026 and September 1, 2026 respectively.
| Parameter | SZOS | HaFit |
|---|---|---|
| Price | Free | Free |
| Rating | 2.8 (105 ratings) — better | 2.5 (57 ratings) |
| Positive reviews | 5.6% of reviews | 5.6% of reviews |
| Number of ratings | 105 — better | 57 |
| Update frequency | Every 3 weeks | Fortnightly — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 70 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | 晟 谷 | Shenzhen Water World Software Technology Co., Ltd |
Customer experience
SZOS
HaFit
In-app purchases
SZOS
No in-app purchases
HaFit
No in-app purchases
