SitLess: Sedentary Reminder

Desk Breaks, Stretch & Habits

Only for Mac

Free · In‑App Purchases

Mac

SitLess is a sedentary reminder application designed for desktop office and study scenarios. Based on your work hours and rest intervals, it reminds you at the right time to take a break—whether to look into the distance, drink water, walk around, or follow guided videos to complete a light stretching routine targeting areas like your neck, shoulders, and lower back. When using a computer for long periods, it is easy to get so focused that we forget to rest. SitLess aims to turn taking breaks into a more natural, sustainable habit: with crystal-clear reminders, highly flexible settings, and break content tailored entirely to your daily rhythm. Key Features: - Sedentary Reminders: Customize your daily work hours, rest intervals, and the duration of each break. - Break Screen: Enter a dedicated break page when time is up, displaying prompt cues for Eye Break, drinking water, deep breathing, walking, or stretching. - Do Not Disturb (DND) Periods: Automatically pause sedentary reminders during meetings, lunch breaks, or designated focus sessions. - System Tray & Menu Bar Operation: The app runs quietly in the background. Use the menu bar icon to quickly check status, take an immediate break, pause the timer, or open Settings. - Pre-Break notification & Snooze Break: Receive an alert right before an official break starts, or easily snooze the break based on your current workflow. - Strict Break Mode: Perfect for those who tend to ignore reminders. Once a break starts, you must wait until the timer ends before you can resume work. - Custom Break Content: Add, edit, enable, or disable your own personalized break prompts and activities. - Goal Check-Ins: Turn break activities like drinking water, Eye Break, or moving your body into cumulative small goals, and easily check them off during your breaks. - Stretching Exercises: Launching with 12 built-in stretching routines covering the neck, shoulders, and lower back—the areas of most concern for sedentary professionals. - Independent Exercise Entry: Switch directly to stretching routines during a break, or open a standalone exercise window directly from the menu bar. - Video Guided Workouts: Complete light exercises smoothly with the help of movement videos, subtitles, and audio voice cues. - Prevent Screen Sleep During Exercise: Keep the screen active and prevent it from dimming or sleeping automatically while playing stretch videos. - Activity Insights & Statistics: Track total work time, total rest time, work/rest ratio, check-in counts, completion rates, activity heatmaps, and daily check-in summaries. - Appearance Modes: Fully supports system default, Light Mode, and Dark Mode. - Launch at Login: Automatically launches upon system startup and login, eliminating the need for manual opening. SitLess is perfect for users who spend long hours on their Macs for office work, studying, programming, design, writing, or remote work. It does not evaluate your physical condition or replace professional medical advice; it simply helps you become more aware of when it's "time to take a break" and provides easily executable ways to rest and move. Core reminder and basic break features are completely free to use. Advanced premium capabilities require a one-time purchase to unlock, including Strict Break, Custom Break Content, Goal Check-Ins, Stretching Exercises, and Video Guides.

Ratings & Reviews

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- Added a setting for the number of “Allow Strict Break Interruptions”, so you can adjust how many times quitting is allowed during Strict Breaks.

Version 1.4.0

The developer, 庭辉 张, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • User Content
    • Usage Data

Privacy practices may vary, for example, based on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

Seller
庭辉 张
Size
33.5 MB
Category
Health & Fitness
Compatibility
Requires macOS 13.5 or later.
  • Mac
    Requires macOS 13.5 or later.
Languages
English
Age Rating
13+
  • 13+
  • Learn More
  • Infrequent
    Horror/Fear Themes

    Contains
    Health or Wellness Topics
In-App Purchases
Yes
Copyright
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