Comparison

KaFit vs SZOS

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

KaFit

Features
Read full description

KaFit app是一款为智能手表用户提供24小时的运动监测和健康服务的移动应用,KaFit运动健康app各种丰富的图表让用户对运动和健康数据一目了然,让健康伴您左右,欢迎下载使用。 运动记录-24小时不间断计步,省电智能。单次运动记录,轨迹、步频、配速一目了然。 跑步计划——支持5公里到全马的在线训练计划,循序渐进的科学跑步指导。 智能配件—傻瓜式的智能健康配件数据接入。绑定一次,每次测量完毕的数据会自动回传到手机,在通知栏可以看到。 健康数据——用数据和图表读懂你的健康。目前已经可以支持体重,运动,睡眠等健康指标的采集和显示。 苹果健康应用分享与苹果健康应用程序集成。

About

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.

Highlights
  • Step tracking
  • Heart rate monitoring
  • Sleep analysis
  • Syncs with smart watch
  • Activity mode
Features
Read full description

"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。

Screenshots

KaFit4 screens
SZOS4 screens

Verdict

The call

The clearest difference is ads: KaFit at none against SZOS's shown. KaFit also leads on iOS requirement (11.0 vs 13.0). On price, update cadence, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 4, 2026 and October 18, 2026 respectively.

Scorecard2 real differences · 8 level
KaFit versus SZOS: the parameters behind the verdict, then further details
ParameterKaFitSZOS
PriceFreeFree
Rating—2.8 (105 ratings) — better
Positive reviews—5.3% of reviews
Number of ratings—105 — better
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNo — betterYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPhone, iPodiPhone, iPod
Requires iOS11.0 — better13.0
Further details — not scored
Size55 MB70 MB
Age rating4+4+
DeveloperShenzhen WO TAI ZHI LIAN TECHNOLOGY CO.,Ltd晟 谷

In-app purchases

None

KaFit

No in-app purchases

None

SZOS

No in-app purchases

Questions

Is KaFit free?
KaFit is free to download, with no in-app purchases.
Is SZOS free?
SZOS is free to download, with no in-app purchases.
Do KaFit or SZOS have ads?
SZOS shows ads; KaFit does not.
Which is updated more often, KaFit or SZOS?
KaFit ships an update every 3 weeks, and SZOS every 3 weeks. Most recently, KaFit was updated on October 4, 2026 and SZOS on October 18, 2026.

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