# RDFit

> HealthKit data reader and writer for smart wearable devices. (iPhone/iPad app by 深圳市润德智能通讯科技有限公司.)

- Source: https://appshunter.io/ios/app/rdfit/id1493359248 (this page in markdown: same URL + `.md`)
- Developer: [深圳市润德智能通讯科技有限公司](https://appshunter.io/developer/1761719783)
- Category: Health & Fitness, Sports
- Price: Free
- Rating: 2.83/5 from 3,147 App Store ratings · 88 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 290 MB
- Languages: Arabic, Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hebrew and 18 more
- Released: 2020-01-23
- Data updated: 2026-08-27
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/rdfit/id1493359248/reviews.md

## What is RDFit?

RDFit app integrates HealthKit to read and write some data in the Health app.
Runde Intelligent Communication 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.
users to seek a doctor’s advice in addition to using this app and before making any medical decisions.

## Key features

- HealthKit integration
- Read Health data
- Write Health data
- Smart wearable device support
- Electronic product integration

## What do users think of RDFit?

Overall sentiment: mixed

**Pros**

- 👍 Easy to use interface
- ⌚ Beautiful watch design and appearance
- ❤️ Health monitoring features (blood sugar, blood pressure)
- 🎨 Customizable watch faces available
- 📱 Good app connectivity when working properly
- ⏥ Multiple health tracking functions

**Cons**

- 🐛 Frequent app crashes and freezing
- 📲 Poor notification system (missing SMS/text messages)
- 🔌 Limited watch face customization (only one downloadable at a time)
- 🔗 Unreliable Bluetooth connection and pairing issues
- 📊 Inaccurate health metrics and sensor readings
- 🚫 No Apple Health integration/syncing
- ⚙️ Confusing and unhelpful user interface for settings
- 🔐 GPS connectivity failures
- ⏱️ Watch faces disappear and require reinstalling
- 🎯 Limited app store/third-party app access
- 🌍 Weather location settings unclear
- 📝 Poor documentation and manual

**Commonly reported bugs**

- App crashes on startup and during synchronization
- App crashes after recent updates
- Watch locks for no reason and cannot unlock
- GPS feature not connecting despite proper setup
- Automatic Bluetooth connection fails
- SMS/text notifications not received
- Steps not syncing to Apple Health
- Health metrics not syncing properly
- Watch face downloads disappear after 1-2 days
- App not detecting connected watch
- Wallpaper customization crashes app
- Watch band adjustment tool ineffective
- Biometric sensors detect readings without wearing watch
- App crashes when changing wallpaper
- Language settings stuck in non-English languages
- Watch model not displayed in app after extended use
- No software updates received on watch

**Most requested features**

- Add more watch face options and styles
- Allow multiple watch faces to be downloaded simultaneously
- Implement SMS/text message notifications
- Add Apple Watch-style watch faces
- Enable custom watch face editing with more customization options
- Add games to the watch
- Support for app store/Google Play integration
- Improve watch face market with better selection
- Add automatic daylight saving time adjustment
- Support for blood glucose measurement in different units (mmol vs dl)
- Add Memoji and font customization options
- Include more live watch faces
- Add NFC card copying functionality
- Improve QR code setup functionality
- Add custom wallpaper with better clearing options
- Support for language settings (English option)

## Recent user reviews (10 of 88)

All indexed reviews: https://appshunter.io/ios/app/rdfit/id1493359248/reviews.md

### 2/5 — 老是手表上有莫名其妙的来电 但是手机上不显示

*2024-05-18*

为什么蓝牙手表老是有莫名奇妙的电话提示但是手机上没有来电提示通话记录里也没有手机手表上都没有

### 3/5 — Watch Shortfalls

*2024-05-11*

It has 6 built in watch faces. While there’s many others to choose from, only one can be installed, and that disappears in a day or two requiring reinstalling. 

It does not have ECG capability although the AD says it does 

The beautiful watch band needs adjusting to fit, but it appears impossible to adjust it, even though the supply the tool. 

Otherwise, it’s a gorgeous watch and the provide a black band as an extra, so it’ll fit without the fancy band.

### 4/5 — Love the watch hate the app

*2024-04-18*

The watch is great but the app is terrible. Can’t customize much and can’t even delete watch faces you don’t like. Admins please update the watch and app to customize it to what we want.

### 3/5 — Cannot connect with GPS

*2024-03-22*

I am not able to connect to the GPS feature. Error reads: Please connect to APP and enable GPS location permission. I have done this, reset and performed steps again. Still will not connect.
iPhone 11 ProMax
iOS: 17.4.1 
Please help….

### 4/5 — Good but my big question

*2024-01-30*

So the watch is good and my big question is is it a waterproof watch I keep wondering

### 5/5 — Perfect 👍

*2024-01-29*

I Love this watch and have been Happy with this for awhile now, for a day or so (2 tops) I wasn’t able to re-connect it for some reason I noticed it wasn’t no longer paired. Well after sometime I was reminded to not panic and I reset it (there’s directions within the app itself to help) & now both actions(watch/call ) functions work normal again ☺️ thank you ✨

### 3/5 — SK27

*2024-01-14*

Beautiful watch! I would love to give a 5-star review but…. I cannot connect device automatically to my phone. When I manually connect to Bluetooth, call works only and I do not want to talk to my wrist on a call!  I have googled help for hours. The manual is not very helpful. I cannot figure out why it does not automatically connect with my iPhone. Please help. If I can’t figure this out, I will sadly return the watch.

### 1/5 — Doesn’t sync with Apple Health

*2023-12-16*

The app doesn’t sync steps with Apple Health. It barely syncs anything. The phone is basically obsolete and useless unless it can sync properly with your phone. And this phone and app doesn’t do it well at all. 

I definitely wouldn’t recommend.

### 3/5 — Won’t receive sms.

*2023-12-09*

Watch receives every notification except for texts. Specifically for it to receive texts when I can’t reach my phone and had to find out the hard way that it does not push texts. Please fix!!

### 3/5 — 表盘自定义的数字什么时候可以选款选位置啊？

*2023-11-13*

表盘样式自定义只能改背景图片，数字显示效果只能选颜色，没有位置样式的选择，太局限太难看了。明明找到好好看的图片。就是数字显示不好。要学苹果就学全了嘛

## Frequently asked questions about RDFit

### What does the RDFit app do?

The RDFit app integrates with HealthKit to read and write various data points within the Health app. This allows for seamless synchronization of health information from compatible devices and services.

### What are the key features of RDFit?

The primary feature is its integration with HealthKit, enabling it to read and write health data. It also supports smart wearable devices and other electronic products developed by the company.

### Is RDFit free to use?

Based on the provided information, the app is free to use and does not appear to have in-app purchases or advertisements.

### What devices is RDFit compatible with?

The app is designed to work with devices that integrate with Apple's HealthKit. It also supports smart wearable devices and peripheral products from the developer.

### What is the main use case for RDFit?

The main use case is to centralize and manage health data by syncing it with HealthKit. This is particularly useful for users of smart wearables who want to consolidate their fitness and health metrics.

## Version history (last 5 releases)

### 3.9.2 — 2026-06-17

1. 修复崩溃问题;
2. 优化其他问题.

### 3.9.1 — 2026-05-23

1. 修复崩溃问题;
2. 优化其他问题.

### 3.6.9 — 2024-09-16

1、Fix bugs;
2、Improved compatibility.

### 3.6.8 — 2024-09-05

1、Fix bugs.

### 3.6.7 — 2024-08-14

1、 Fix bugs.

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## More apps by 深圳市润德智能通讯科技有限公司

- [DTFit](https://appshunter.io/ios/app/dtfit/id1635514374)
- [RDBand](https://appshunter.io/ios/app/rdband/id6461049076)
- [RDVat](https://appshunter.io/ios/app/rdvat/id6572291564)
- [RDFit - Runde Intelligent](https://appshunter.io/ios/app/rdfit-runde-intelligent/id6670539969)
- [RDGlass](https://appshunter.io/ios/app/rdglass/id6748328831)

All apps by 深圳市润德智能通讯科技有限公司: https://appshunter.io/developer/1761719783

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-27.*