Analytics and the Hard Words Workout
After a few weeks the interesting question stops being “what did I save” and becomes “what keeps going wrong”. That is what the Analytics tab is for.
What is free
Your counts and your progress: how many words you have, how many are due, how you are doing against your goals, and per-dictionary statistics. Enough to see whether the habit is holding.
What Pro adds
- Advanced analytics — trends over time and the weak areas underneath them.
- Smart learning suggestions: a short list of what is worth doing next, read from your own review record. It stays quiet until there is enough history to mean anything rather than padding itself out.
- The Hard Words Workout — a session built only from the words you keep getting wrong, instead of whatever the queue happened to serve.
All three read the review history that is already on your device. Nothing extra is collected to make them work.