NxFit vs RDVat
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NxFit
This app connects to Bluetooth bracelets to track and display real-time health data like heart rate and sleep. It also offers device management features and records running tracks using GPS.
- HealthKit integration
- Bluetooth bracelet connection
- Real-time heart rate monitoring
- Sleep tracking
- Exercise recording
- Bracelet reminders
- Device search and reset
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NxFit app integrates HealthKit to read and write some data in the Health app. NxFit 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.
RDVat
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Xinsudian is a high-tech company integrating R&D and production of mobile phones and peripheral products, smart wearable devices, and operating e-commerce; R&D and sales of electronic products, digital products, and smart products; electronic software development, electronic products, communication products, and mobile phones , Communication switching equipment, digital integrated system equipment, special electronic equipment, software product design, technology development and technical consulting and sales; computer software, computer network software development; domestic trade, operating import and export business.
Screenshots
Verdict
NxFit and RDVat are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
NxFit ships an update monthly, RDVat every 2 months. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.
| Parameter | NxFit | RDVat |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 114 MB | 119 MB |
| Age rating | 12+ | 4+ |
| Developer | 腾飞 王 | 深圳市润德智能通讯科技有限公司 |
In-app purchases
NxFit
No in-app purchases
RDVat
No in-app purchases









