Posture monitoring software for Windows 10 and 11
The best posture monitoring software for Windows watches your posture through your existing webcam, processes everything on your PC, and alerts you the moment you slouch — without a wearable and without sending video anywhere. SitStraight does this on Windows 10 and 11 (x64 and ARM64), and it is free for everyone through December 31, 2026.
What to look for in posture software for a Windows PC
- On-device processing. Your webcam feed should be analysed in memory on your own PC and discarded, not recorded or uploaded to a server.
- Real posture detection, not a timer. A "sit up straight" popup every 30 minutes fires whether or not you are slouching. Software that reads your head and shoulder position only interrupts you when it matters.
- Calibrated to you. Your desk, chair and camera angle are different from everyone else's, so thresholds should be measured against your own baseline.
- Quiet during calls. It should detect that Zoom, Teams or Meet already has the camera and stay silent until the call ends.
- Honest pricing. Some tools cap their free tier at a fixed number of monitoring hours per day and bill monthly or yearly. A one-time price is easier to live with.
How SitStraight works on Windows
After a short one-time calibration (three poses: your normal sitting position, a slouch, and your best upright posture), SitStraight samples your position through the webcam about once a minute. When your head or shoulders stay past your own threshold for long enough to matter, a gentle alert appears. Posture and face detection use bundled machine-learning models, so the app keeps working offline.
The same app also includes an eye-break (20-20-20) reminder, a water reminder, mood check-ins and a Stand-up Breaks challenge, and those reminders work even if you never turn the camera on.
System requirements
- Windows 10 or Windows 11, x64 or ARM64
- 4 GB RAM minimum
- A webcam, needed only for posture monitoring
- About 175 MB to download, roughly 475 MB once installed
Two ways to install on Windows
- Microsoft Store (recommended). One-click install, automatic updates, and no SmartScreen warning.
- Direct installer (.exe). Downloaded from GitHub Releases. Because the installer is not yet signed with a paid code-signing certificate, Windows may show a blue "Windows protected your PC" screen. Click More info, then Run anyway. Camera access is granted through the standard Windows camera-privacy prompt.
Both options are on the download page, which picks the right one for your computer.
How it compares with a posture corrector
A wearable brace gives physical feedback but only works while you remember to wear it. Software needs nothing on your body and keeps a reviewable history of how your posture trends. The two are not mutually exclusive; see posture corrector vs. posture software for the full comparison, or the best posture monitoring software in 2026 for what separates a useful app from a gimmick.