heylink vs Watch V9C
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
heylink
This sports health app connects with smart wearable devices to monitor your well-being. It offers a simple interface for data recording and device management, including notifications and personalized watch faces.
- Sports health tracking
- Smart wearable device connection
- Data recording
- Message notifications
- Disconnect alerts
- Alarm settings
- Weather information
- Personalized watch dials
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Heylink is a professional and easy to use sports health APP, with smart wearable devices to understand your health! 1. Simple and obvious design, more convenient use! 2. Record your data! Equipment management Turn on message notifications, disconnect alerts, alarms, weather info...... for your smart wearable Dial management Personalized dial, show your own hobby! Your use is our driving force
Watch V9C
This utility app connects to a Bluetooth bracelet to track and display real-time health and exercise data, including heart rate, sleep, and activity. It also offers device management features like reminders and factory resets, and integrates with HealthKit.
- HealthKit integration
- Real-time health monitoring
- Exercise tracking
- Sleep tracking
- Bracelet reminders
- Device search
- Factory reset
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Watch V9C app integrates HealthKit to read and write some data in the Health app. Watch V9C is mainly used to connect the Bluetooth bracelet to assist users. Record and display the user's exercise and health status in real time, including information such as heart rate, sleep and exercise. At the same time, it provides users with basic settings such as bracelet reminders, device search, and factory reset. 【Warm Prompt 】 Running track function will continue to use GPS positioning service, switch to the background can still keep running track record, compared to other operation consumes more electricity, will to a certain extent, affect the battery life. Note: Continued use of GPS running in the background can dramatically decrease 'life.
Screenshots
Verdict
The clearest difference is rating: heylink at 4.4 against Watch V9C's 3.8. heylink also leads on ratings volume (969 vs 4) and update cadence (every 2 weeks vs every 2 months). Watch V9C's advantage is review sentiment (50% vs 27%) and iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and monetization model 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.
heylink holds the better App Store score, 4.4 against 3.8. That said, the two scores are not equally well evidenced: heylink has 969 ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 27% of heylink's written reviews are positive against 50% of Watch V9C's, so the app with the better star average is not the one people write more warmly about.
heylink ships an update every 2 weeks, Watch V9C every 2 months. The most recent releases landed on September 24, 2026 and September 13, 2026 respectively.
| Parameter | heylink | Watch V9C |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (969 ratings) — better | 3.8 (4 ratings) |
| Positive reviews | 27.3% of reviews | 50.0% of reviews — better |
| Number of ratings | 969 — better | 4 |
| Update frequency | Every 2 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 58 MB | 80 MB |
| Age rating | 4+ | 12+ |
| Developer | Shenzhen Dinghefeng Technology Co., Ltd. | SKG Health Technologies Co., Ltd. |
Customer experience
heylink
Watch V9C
Bugs and requests
heylink
Reported bugs
6 issues- Weather not working
- Watch not recognized by app
- Glitchy watch face and software
- Camera on watch not working
- Unable to set custom watch wallpaper
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- No option to switch between 12/24-hour time
Requested features
5 requests- Option to switch between 12-hour and 24-hour time
- Option to switch between Celsius and Fahrenheit
- Ability to set custom watch wallpaper
- Improved weather integration and accuracy
- Smoother firmware updates and bug fixes
Watch V9C
Not enough reviews yet to summarise bugs or requests.
In-app purchases
heylink
No in-app purchases
Watch V9C
No in-app purchases
