# K vs Carbinox Pro

The clearest difference is rating: K at 3.5 against Carbinox Pro's 2.6. K also leads on review sentiment (39% vs 9%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

K holds the better App Store score, 3.5 against 2.6. Both are backed by a comparable volume of ratings — 325 and 196 respectively. Written reviews point the same way: 39% of K's written reviews are positive against 9% of Carbinox Pro's.

K ships an update every 6 weeks, Carbinox Pro every 2 months. Both last shipped on October 27, 2026.

## The numbers

| Metric | K | Carbinox Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (325 ratings)](https://appshunter.io/ios/app/k-watch/id6443482628/reviews)** | [2.6 (196 ratings)](https://appshunter.io/ios/app/carbinox-pro/id6502377402/reviews) |
| Number of ratings | **325** | 196 |
| Positive reviews | **38.7% of reviews** | 9.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 232 MB | 105 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HONGKONG AMAZWEAR TECH CO., LTD.](https://appshunter.io/developer/1812791867) | [OHMIUX LLC](https://appshunter.io/developer/1834311212) |

## What reviewers say

### K

[App page](https://appshunter.io/ios/app/k-watch/id6443482628)

Track your daily activity, including steps, distance, and calories burned. Analyze your sleep patterns with detailed insights into deep sleep, light sleep, and awake times. Set activity goals and receive notifications.

**Highlights:** Accurate activity tracking, GPS route tracking, Daily activity goals, In-depth sleep analysis, Vibrating alarm reminder, Push notifications

**In-app purchases:** none


### Carbinox Pro

[App page](https://appshunter.io/ios/app/carbinox-pro/id6502377402)

This app acts as a companion for your smartwatch, tracking health and fitness data. It allows you to download watch faces, manage notifications, and access official brand services and support.

**Highlights:** Health and activity tracking, Real-time progress monitoring, 100+ sports modes with smart recognition, Sleep monitoring and analysis, Customizable watch face downloads, Notification settings, Access to brand services and support

**In-app purchases:** none

**What reviewers like**

- 📺 Bright, sharp, crisp display
- 🏃 Accurate health tracking (heart rate, calories, sleep, workouts)
- 🔋 Excellent battery life (4-12 days)
- 💪 Durable and rugged construction
- 💰 Reasonable pricing

**What reviewers complain about**

- 🔗 Persistent Bluetooth sync issues
- 🐛 App crashes and freezes frequently
- ⚠️ App hasn't been updated in months
- 📵 Constant disconnection from phone
- 🔔 Missing notifications and alerts

**Reported bugs**

- App requires multiple daily manual syncs to function
- Watch unpairs from app randomly
- Sleep data fails to sync to Apple Health
- Steps not logged or transferred
- Weather data doesn't update unless app is open

**Requested features**

- Alarm programming from app
- Custom font colors in watch dials
- Dark mode or customizable interface themes
- Better Apple Health data sync
- Heart rate data export to Apple Health


## Frequently asked questions

### Is K free?

K is free to download, with no in-app purchases.

### Is Carbinox Pro free?

Carbinox Pro is free to download, with no in-app purchases.

### Which has better reviews, K or Carbinox Pro?

K is rated higher. K averages 3.5 out of 5 from 325 ratings, while Carbinox Pro averages 2.6 from 196 ratings.

### Do K or Carbinox Pro have ads?

Neither K nor Carbinox Pro shows ads.

### Which is updated more often, K or Carbinox Pro?

K ships an update every 6 weeks, and Carbinox Pro every 2 months. Most recently, K was updated on October 27, 2026 and Carbinox Pro on October 27, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*