Solitaire 1380 suits someone who wants to understand a new card game rather than follow an unexplained hint. Its store describes a shared legal-move engine for play and teaching, along with Quick Coach and stepwise demonstrations. Three favorites remain free; one purchase opens the full collection.
Threadbreaker may suit players who enjoy recognizing a pattern and refining a build between attempts. The documented loop combines movement, grazing and Sever with a run history and coaching replay. The publisher describes readable escape lanes; fairness and difficulty remain untested editorial claims.
StudyKiln may suit a learner who wants to trace a card back to the material behind it. Its documented workflow keeps source selection, draft approval and review separate. The free allocation supports a small study set; OCR, more study modes and advanced exports belong to Pro.