Silent. Local. Automatic. DayLens tracks every app and website — no cloud, no subscription, no setup.
Every 6 seconds, automatically. No manual start.
Local SQLite only. Zero cloud, zero accounts.
Right-click to correct a category. Remembered forever.
Daily PDF with AI insights, one click.
Hour-by-hour breakdown of every app and website you touched. Drill into individual visits, navigate to any previous day, and export to CSV.
7-day activity chart, productivity score, best day badge, and total productive hours. Patterns you'd never notice become obvious.
Every app and website ranked by time. See exactly where each minute went — and correct any category with a single right-click. It sticks, permanently, across all history.
Switch themes instantly from Settings. No restart needed.
Switch themes, set up your daily 5 PM summary, connect the browser extension, and enable launch at login — all from one clean panel.
Technical specifications
| Platform | Windows 10 / 11 (x64) |
| Architecture | Electron 29 + sql.js (SQLite / WebAssembly) |
| Tracking interval | Every 6 seconds via Win32 API |
| Browser support | Chrome, Brave, Edge (extension required for per-tab tracking) |
| Data storage | Local only AppData\Roaming\daylens\daylens.db |
| Network | Zero outbound Optional favicon lookup only |
| Permissions | No admin rights required |
| Install size | ~78 MB (Electron runtime included) |
| Themes | Dark, Light, Sepia |
| Export formats | PDF (daily + weekly), CSV (day log) |
| Version | 1.1.0 |
Run DayLens Setup 1.1.0.exe — desktop shortcut created automatically.
Open the app. Onboarding guides you through. Tracking starts immediately.
Settings → Extensions → load unpacked in Chrome, Brave, or Edge. Unlocks per-tab tracking.
DayLens notifies you daily with your focus score and top apps. Check inside the app any time.
Free. Private. No account required. See exactly where your time goes — starting today.