Comparison

Zeroner Fit vs ZDfit

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

Head to head
About

Zeroner Fit

This app syncs with smartwatches to track various health metrics like activity, heart rate, and sleep. It also enables convenient message and call notifications on your watch and offers GPS tracking for outdoor activities. Users can set reminders and share data with Apple Health.

Highlights
  • Activity and heart rate monitoring
  • Blood pressure and sleep tracking
  • Message and call notifications on watch
  • GPS sports tracking
  • Alarm and sedentary reminders
  • Apple Health data sharing
Features
Read full description

Zeroner Fit is an app that works with smart watches to help users manage health data. It can record the activity, heart rate, blood pressure, sleep and other data collected by the watch, and can see the trend of health data. When the smart watch is connected to the app, it also supports sending messages and call information to the watch, which is convenient for users to view on the watch without opening the mobile phone. In addition, the APP also supports setting alarm clocks, sedentary reminders, etc., which is convenient and fast. The APP has a GPS sports function, which supports users to record running trajectories while running, walking, and riding, and broadcast your distance, time, pace, etc. in the process. The APP supports the sharing of health data to Apple Health with the permission of the user.

About

ZDfit

This app pairs with a smartwatch to provide real-time fitness tracking, including steps, distance, and calories. It also monitors sleep quality and displays notifications from your smartphone, all while integrating with Apple Health.

Highlights
  • Real-time sports performance monitoring
  • Step, distance, and calorie tracking
  • Sleep quality monitoring
  • Smartphone notifications (SMS, calls)
  • Multi-sport activity tracking
  • Apple Health integration
Features
Read full description

这款应用程序与我们的智能手表配合使用,可直接从您的手腕获取最佳信息。 我们的智能手表不仅是一款传统的智能手表,更是一款功能强大的运动码表,可实时监测您的运动表现,并允许您接收来自智能手机的短信和通知,同时又不失时尚感。 这款应用程序与 Apple Health App 集成。 内置计步器可追踪您的步数、距离和卡路里消耗。 内置睡眠监测器可追踪您的睡眠质量。 This App together with our smartwatch provides you with the best set of information straight from your wrist. Without compromising your style, our smartwatch is not just a traditional smartwatch but a powerful sport computer to monitor your performance in real time, and also let you receive text message and notifications from your smartphone. This App integrates with the Apple Health App. A built-in pedometer tracks your steps, distance, and calories burned. A built-in sleep monitor tracks your quality of sleep. Powered with multi-sport functionality, our sport smartwatch lets you choose from a series of activity types such as running, biking, walking, hiking, trail run etc… In addition to its training functions, our sport smartwatch will also notify you when receiving incoming calls, text messages or social networks notifications.

Screenshots

Zeroner Fit4 screens
ZDfit4 screens

Verdict

The call

The clearest difference is rating: Zeroner Fit at 3.7 against ZDfit's 3.0. Zeroner Fit also leads on review sentiment (45% vs 19%) and iOS requirement (10.0 vs 12.0). On price, ratings volume, update cadence and ads 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.

ReceptionRating · Positive reviews · Number of ratings

Zeroner Fit holds the better App Store score, 3.7 against 3.0. Both are backed by a comparable volume of ratings — 26 and 72 respectively. Written reviews point the same way: 45% of Zeroner Fit's written reviews are positive against 19% of ZDfit's.

UpkeepUpdate frequency

Zeroner Fit ships an update every 6 weeks, ZDfit monthly. The most recent releases landed on September 23, 2026 and July 25, 2026 respectively.

Scorecard3 real differences · 7 level
Zeroner Fit versus ZDfit: the parameters behind the verdict, then further details
ParameterZeroner FitZDfit
PriceFreeFree
Rating3.7 (26 ratings) — better3.0 (72 ratings)
Positive reviews45.0% of reviews — better19.1% of reviews
Number of ratings2672 — better
Update frequencyEvery 6 weeksMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS10.0 — better12.0
Further details — not scored
Size116 MB250 MB
Age rating4+4+
Developer红甲 祝Shenzhen Zhongdong Technology Co.Ltd

Customer experience

Zeroner Fit

All ratings26 ratings
Positive65.4%
Neutral3.8%
Negative30.8%
Written reviews20 reviews
Positive45.0%
Neutral10.0%
Negative45.0%

ZDfit

All ratings72 ratings
Positive38.9%
Neutral22.2%
Negative38.9%
Written reviews47 reviews
Positive19.1%
Neutral31.9%
Negative48.9%

In-app purchases

None

Zeroner Fit

No in-app purchases

None

ZDfit

No in-app purchases

Questions

Is Zeroner Fit free?
Zeroner Fit is free to download, with no in-app purchases.
Is ZDfit free?
ZDfit is free to download, with no in-app purchases.
Which has better reviews, Zeroner Fit or ZDfit?
Zeroner Fit is rated higher. Zeroner Fit averages 3.7 out of 5 from 26 ratings, while ZDfit averages 3.0 from 72 ratings.
Do Zeroner Fit or ZDfit have ads?
Neither Zeroner Fit nor ZDfit shows ads.
Which is updated more often, Zeroner Fit or ZDfit?
Zeroner Fit ships an update every 6 weeks, and ZDfit monthly. Most recently, Zeroner Fit was updated on September 23, 2026 and ZDfit on July 25, 2026.

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