No revenue estimate for the App Store: Apple publishes no install counts, and its star-rating counts don't calibrate to sales the way Steam's written reviews do. Reviews and prices only.
Solve interactive chess positions on the board and find the correct continuation. Train tactics, mating patterns, and endgames. Choose the categories or motifs you want to practice, then set a puzzle Elo range or difficulty that fits your target session. Built for chess players from beginner through advanced. Practice familiar ideas such as forks, pins, skewers, discovered attacks, sacrifices, promotion, and zugzwang. Develop pattern recognition and calculation through focused puzzle practice.
Trends
Price over time on the United States storefront, quoted in USD — from our own daily price tracking. Other markets are listed under "Price by market" in the Prices tab; they are not on this axis, because one line cannot be two currencies.
Showing the last 90 days (the review-based charts: the last 4 monthly points). Full history and CSV export come with a free account.
Related
Not enough data to name similar games: no other game shares enough of this one's tags.