No revenue estimate for APPLE — its rating/review counts don't calibrate to sales the way Steam's do. Reviews and prices only.
We're glad to present you a unique chess problems collection! This collection is addressed to young chess players, coaches, teachers, parents. It can be used at educational or training lessons, along with self practice. - 4600 chess problems: - Mate in 1, mate in 2 and mate in 3 - Win material - Endgame - Strategy - Studies - Professional chess coach - Play chess with AI - iOS style design - Convenient "Navigation". You can easily select a desired chess problem - The bookmark will move your task to "Favorites" in just one click and save your time! - With the help of the "Settings" button you can choose the style of the chessboard, set move highlighting and "hints", which is especially convenient for kids! - "Notes" will help you keep track of your thoughts. - "Timer" was programmed to solve each task. - Convenient switching from one problem to another by means of turning pages. - We are glad to get feedbacks from you to create the App better - More features soon! With the help of this chess tasks collection you can develop creativity, logical thinking and decision making skills in your kid. Winning a chess game gives you an unbeatabe feeling of satisfaction, and thus enhances your mind! Win together with the programs "Chess? OK!" Keywords: mate in 1, mate in 2, mate in 3, one, two, three
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
Revenue comes from in-game items and microtransactions, which our price-based model doesn't estimate.
Related
Related
| Game | Estimated lifetime revenue | Reviews | Review score | Price |
|---|---|---|---|---|
| — | 0 | 0% | $2.99 | |
| — | 8 | 92% | Free | |
| — | 0 | 0% | Free | |
| — | 0 | 0% | $0.99 | |
| — | 7 | 71% | Free | |
| — | 0 | 0% | $0.99 |