This companion app syncs with a specific smartwatch to display incoming calls and messages. It records and visualizes heart rate and motion data, and allows for smartwatch reminders and alarms. It's designed for general fitness tracking, not medical use.
3.0.13
October 27, 2026
1.Fix known bugs.
Kstyle OS is a companion application for the Kieslect smartwatch. It allows you to receive phone notifications, track your heart rate and activity data, and set alarms on your watch.
Yes, Kstyle OS requests SMS and call record permissions to enable functions like pushing incoming calls and SMS/MMS to your smartwatch and sending quick replies.
No, Kstyle OS is explicitly stated as not for medical use. It is intended only for general fitness and health purposes and cannot replace professional medical advice.
The app records heart rate, step count, step frequency, and distance data collected by your smartwatch. This data is then displayed in easy-to-understand line and bar charts.
Based on the provided data, Kstyle OS supports iPhones and iPods. It is designed to work with the Kieslect smartwatch.
The latest version of Kstyle OS is 2.0.20, released on March 13, 2026. While the last update date is in the future, indicating potential for ongoing development, specific update frequency is not detailed.
Kstyle OS has a rating of 3.6 stars based on 7 ratings. This suggests a mixed user reception.
No, Kstyle OS does not contain advertisements. The app is free to download and use without any ad interruptions.
