Comparison

HiWatch vs RDFit

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

Head to head
About

HiWatch

Connect your iPhone to a sports watch for seamless message syncing and health tracking. Monitor steps, sleep, and heart rate, with features like anti-lost and find my iPhone capabilities. Integrates with HealthKit for comprehensive health data viewing.

Highlights
  • Sync iPhone messages
  • Track steps and sleep
  • Monitor heart rate
  • Anti-lost function
  • Find my iPhone
  • HealthKit integration
Features
Read full description

Get your iPhone Paired with Sports watch through APP HiWatch Functions: ·Sync all the messages from APP on your iPhone ·Sync the data of steps,sleep status,can check history record of steps,track your sports details anytime ·Support Heart Rate through HiWatch APP and record data on it .Support Anti-lost,never need to worry you will lost your watch .When the iPhone can't find,can also through Sports Watch to find my iPhone .App support HealthKit application, and you can view your health data through HealthKit

About

RDFit

This app synchronizes with HealthKit to read and write health data. It's developed by a company specializing in smart wearables and electronic products.

Highlights
  • HealthKit integration
  • Read Health data
  • Write Health data
  • Smart wearable device support
  • Electronic product integration
Read full description

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.

Screenshots

HiWatch4 screens
RDFit4 screens

Verdict

The call

HiWatch and RDFit both sit at 2.7 stars, but that hides the real split: 45% of RDFit's written reviews are positive against 10% of HiWatch's. RDFit also leads on ratings volume (3.1K vs 450) and update cadence (fortnightly vs monthly). HiWatch's advantage is iOS requirement (9.0 vs 13.0). On price, rating, ads and in-app purchases 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

On the App Store both sit at effectively the same score — 2.7 for HiWatch against 2.8 for RDFit. That said, the two scores are not equally well evidenced: RDFit has 3.1K ratings behind it against 450, so its average is the more settled of the two. Written reviews are what separate them: 10% of HiWatch's written reviews are positive against 45% of RDFit's.

UpkeepUpdate frequency

HiWatch ships an update monthly, RDFit fortnightly. The most recent releases landed on October 22, 2026 and October 26, 2026 respectively.

Scorecard4 real differences · 6 level
HiWatch versus RDFit: the parameters behind the verdict, then further details
ParameterHiWatchRDFit
PriceFreeFree
Rating2.7 (450 ratings)2.8 (3.1K ratings) — better
Positive reviews10.4% of reviews45.5% of reviews — better
Number of ratings4503.1K — better
Update frequencyMonthlyFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS9.0 — better13.0
Further details — not scored
Size120 MB290 MB
Age rating4+4+
Developer深圳市威尔健康管理科技有限公司深圳市润德智能通讯科技有限公司

Customer experience

HiWatch

All ratings450 ratings
Positive36.0%
Neutral8.9%
Negative55.1%
Written reviews881 reviews
Positive10.4%
Neutral11.9%
Negative77.6%

RDFit

All ratings359 ratings
Positive63.0%
Neutral11.1%
Negative25.9%
Written reviews88 reviews
Positive45.5%
Neutral23.9%
Negative30.7%

User reviews

HiWatch

From 450 App Store ratings

What we love

  • ⭐ Customizable watch faces
  • 👍 Easy Bluetooth connection
  • 🚀 Responsive app performance

Room to improve

  • 🐛 Connectivity issues
  • 💬 Lack of language support
  • 🔋 Poor battery life
  • 📱 Limited app functionality

RDFit

From 3.1K App Store ratings

What we love

  • 👍 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

Room to improve

  • 🐛 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

Bugs and requests

HiWatch

Reported bugs

3 issues
  • Sync issues between watch and phone
  • Registration/login problems
  • Unexpected app crashes

Requested features

4 requests
  • Add more watch face options
  • Improve language support
  • Expand app capabilities
  • Enhance battery optimization

RDFit

Reported bugs

17 issues
  • 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
Show 12 more
  • 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

Requested features

16 requests
  • 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
Show 11 more
  • 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)

In-app purchases

None

HiWatch

No in-app purchases

None

RDFit

No in-app purchases

Questions

Is HiWatch free?
HiWatch is free to download, with no in-app purchases.
Is RDFit free?
RDFit is free to download, with no in-app purchases.
Which has better reviews, HiWatch or RDFit?
RDFit is rated higher. HiWatch averages 2.7 out of 5 from 450 ratings, while RDFit averages 2.8 from 3.1K ratings.
Do HiWatch or RDFit have ads?
Neither HiWatch nor RDFit shows ads.
Which is updated more often, HiWatch or RDFit?
HiWatch ships an update monthly, and RDFit fortnightly. Most recently, HiWatch was updated on October 22, 2026 and RDFit on October 26, 2026.

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