No revenue estimate for APPLE — its rating/review counts don't calibrate to sales the way Steam's do. Reviews and prices only.
Math plus and minus training, Suitable for all ages, Play anywhere and any time. Features • Covering elementary level lessons • Can play plus, minus, And can play plus and minus at the same time • You can choose difficulty levels ◦ Easy: has 3 choices to choose for the answer ◦ Normal: the player needs to type their own answers • You can customize game rule ◦ You can select the minimum and maximum numbers ◦ Choose to finish the game immediately when the player answers incorrectly ◦ You can choose the total question to played ◦ You can set the game time in each round ◦ You can play an endless game • You can check the answer after the game end, To check how you make mistakes • There are various statistics collected. Can view and check your stats at any time • You can change the input type to "Left to Right" or "Right to Left" • Has Carry and Borrow number systems
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
Related
Related
| Game | Estimated lifetime revenue | Reviews | Review score | Price |
|---|---|---|---|---|
| approximately $756.7K | 1.6K | 87% | $11.99 | |
| approximately $246.3K | 566 | 89% | $14.99 | |
| approximately $150.2K | 244 | 75% | $24.99 | |
| approximately $116.1K | 242 | 93% | $14.99 | |
| approximately $76.4K | 192 | 67% | $29.99 | |
| approximately $69.3K | 2.3K | 93% | $1.99 |