★★★★★
Average rating on the App Store. Apple doesn't publish how many ratings each star has.
This app isn't in any of our charts yet.
User experience improvements some bug fixed
In a 9 × 9 grid, a total of nine Arabic numerals from 1 to 9 filled the entire grid, requiring compliance 1 to 1 to 9 for each line, the location is not limited 2. Each column is used from 1 to 9, the location is not limited 3. Every 3 × 3 grid are used 1 to 9, the location is not limited