Wake your phone—and see your study plan on the lock screen, before you unlock.
Hourstack is a lock screen study planner and focus timer.
When the screen turns on, your timetable and timer appear on the lock screen first—so it’s easier to stop scrolling and start studying before you even unlock.
Built for
• Students who lose focus the moment they pick up their phone
• Anyone who plans a timetable but can’t stick to it
• Learners who want real focused time—not just “phone on desk” hours
• Exam prep, daily study routines, and deep work blocks
Key features
Lock screen study overlay
• Turn on your screen and today’s plan shows on the lock screen first
• While you study, the timer stays on the lock screen so distractions hit a pause in your mind
Study timetable & planner
• Schedule subjects in blocks for the week
• Get a recommended timetable when you don’t know where to start
Focus timer
• Pick a subject and start
• Breaks flow naturally after study blocks
Pure study time, distractions & plan adherence
• See focused minutes, distraction time, and how well you followed your plan
• Compare with yesterday in a clear study report
Daily goals & D-day
• Keep your daily study goal and exam countdown in view
Why Hourstack?
• Most timers only work inside the app
• Hourstack is built for the lock screen—the moment you usually get pulled away, before you unlock
• Turn “just five minutes on my phone” into “one more study block”
Install now and stack your first session today.
Lock screen study · focus timer · study planner · pure study time — Hourstack: Lock Screen Study.
Lock screen study planner & focus timer. See your plan before you unlock.
Aktualisiert am
15.10.2026