JSON question banks
Import your own local JSON files and keep question content under your control.
NuDrill
Local JSON question-bank practice for iPhone, iPad, and Mac.
Import your own JSON question banks, practice, take mock exams, review wrong answers, manage tags, track statistics, and export Markdown.
Coming Soon
A focused study loop that stays on your device.
Practice and exams
Run regular practice with instant feedback or configure mock exams by count, type, and time limit.
Review and tags
Revisit wrong answers, mark favorites, and organize questions with local tags.
Local statistics
Track answer counts, accuracy, exam records, and type-level performance locally.
Markdown export
Export review notes and wrong-answer summaries as Markdown files you choose where to save.