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FocusArx

Study Timer for Exam Prep

Timed study blocks tied to subjects and a plan, so revision progress is measurable instead of a feeling.

A study timer works better than a to-do list because it converts 'study chemistry' into a bounded, finishable block. Set the subject, set the length, start the timer, and record what you covered. FocusArx stores each block against the subject so you can see which topics are getting real time and which are being avoided.

How to set up a study block

Pick one topic, not one subject. 'Thermodynamics — enthalpy problems' is a block; 'Chemistry' is a semester. Write the intended output before you start: three solved problems, one summary page, one set of flashcards.

Choose the length from the work, not from habit. Recall practice fits in 25 minutes. Working through a full past paper needs 90 or more. FocusArx supports both.

Spacing beats cramming

Distributing the same total hours across more days reliably produces better retention than concentrating them. The study-time calculator works this way: give it an exam date and a topic list and it spreads the hours so each topic is revisited before you would otherwise forget it.

The practical consequence is that a study timer is only half the system. The other half is deciding what to revisit tomorrow — which is what the plan and the flashcards are for.

Studying with other people

Live study rooms run the same timed block for everyone in the room at once. You can see that others are still working, which makes stopping early feel costlier and restarting feel easier. Camera use is optional and off by default.

Sources and attribution
  • Hermann Ebbinghaus, forgetting curve and spacing (1885); replicated across the modern spacing-effect literature.

Last reviewed 2026-08-29.

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