Comparison

MultiHR vs K

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

Head to head
About

MultiHR

Monitor and analyze heart rate data from multiple Bluetooth devices simultaneously. Track real-time heart rate, view charts, and export detailed records for training or research.

Highlights
  • Connect multiple Bluetooth heart rate devices
  • Real-time heart rate data display
  • Intuitive heart rate charts
  • Export data in Excel and CSV
  • Device battery status monitoring
  • Local data storage
Features
Read full description

MultiHR is a professional multi-device heart rate monitoring app that supports connecting and recording data from multiple Bluetooth heart rate devices simultaneously. Medical Disclaimer: This application is intended for heart rate data collection purposes only and is not a substitute for professional medical diagnosis and advice. Please consult your physician or other qualified healthcare provider before making any health-related decisions. The data results provided by this application are for reference only and should not be used for self-diagnosis, treatment, or prevention of any medical condition. If you experience any discomfort or have concerns about your health condition, please seek immediate medical attention. The use of this application is at the user's own risk. We recommend discussing the use of this application with your healthcare provider to determine if it is appropriate for your specific situation. Compatible Devices: • COROS heart rate monitors • Garmin heart rate monitors • Polar heart rate monitors • Other Bluetooth heart rate monitors that support standard Bluetooth Low Energy Heart Rate Service (0x180D) Key Features: • Connect multiple Bluetooth heart rate devices at once • Display real-time heart rate data and battery status for each device • Intuitive real-time heart rate charts • Export detailed heart rate records in Excel and CSV formats • View detailed device information Use Cases: • Heart rate monitoring during training • Synchronized recording for multiple users • Comparative testing of heart rate devices • Data collection for heart rate research Important Notes: • Requires devices with Bluetooth 4.0 or higher • Ensure Bluetooth is enabled during use • This app is for general health management and not for medical diagnosis Privacy Protection: • Heart-rate recordings stay on your device. • See our Privacy Policy for details about app services and purchases. • No account is required to use the iOS app. For any questions or suggestions, feel free to contact our support team. Terms of Use: https://multihr.li2niu.com/en/terms Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

K

Features
Read full description

K-AI Pro is the ultimate app for sports and fitness enthusiasts! Paired with your K-AI GPS wearable, K-AI Pro lets you track your activities in real time—running, cycling, and more. Monitor your performance with precision, analyze your progress, and reach your goals with ease. With an intuitive interface, K-AI Pro makes tracking simple and engaging. Whether you’re a beginner or an experienced athlete, K-AI Pro is the perfect tool to take your training to the next level. Download now and experience the power of smart tracking!

Screenshots

MultiHR3 screens
K4 screens

Verdict

The call

The clearest difference is update cadence: MultiHR at every 3 days against K's weekly. On price, ads, in-app purchases and device support 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.

UpkeepUpdate frequency

MultiHR ships an update every 3 days, K weekly. The most recent releases landed on October 24, 2026 and October 3, 2026 respectively.

Scorecard1 real difference · 9 level
MultiHR versus K: the parameters behind the verdict, then further details
ParameterMultiHRK
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 days — betterWeekly
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPod, Apple WatchiPhone, iPad, iPod
Requires iOS1514.0 — better
Further details — not scored
Size55 MB55 MB
Age rating4+4+
DeveloperWuhan Newrathon Technology Co., LtdK-Sport World S.r.l

In-app purchases

None

MultiHR

No in-app purchases

None

K

No in-app purchases

Questions

Is MultiHR free?
MultiHR is free to download, with no in-app purchases.
Is K free?
K is free to download, with no in-app purchases.
Do MultiHR or K have ads?
Neither MultiHR nor K shows ads.
Which is updated more often, MultiHR or K?
MultiHR ships an update every 3 days, and K weekly. Most recently, MultiHR was updated on October 24, 2026 and K on October 3, 2026.

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