上毛かるた is a new iPhone app developed by Risa Matsuzaki. It is a free game app that falls under the category of Games.

The rules of the game are simple - collect more cards than your opponent by grabbing the cards that are read out. In case of a tie, the player holding the "つ" card wins.

The app offers several exciting features. You can enjoy playing "ふたり で かるた" mode, where you can compete against friends, family, or players from all over Japan in online matches. Alternatively, you can choose to play "ひとり で かるた" mode and sharpen your skills by playing against the computer. The computer opponents have different difficulty levels, ranging from 1 to 5, allowing you to challenge yourself against the strongest opponents.

Another interesting feature is the "かるた図鑑" which allows you to check the cards of 上毛かるた. This feature helps you improve your speed in recognizing and grabbing the correct cards.

Moreover, 上毛かるた app has a "読み上げ" function that can be used when there is no reader available for the game. You can play the game by using the app's voice-over feature.

Additionally, the app offers a "録音機能" that allows you to record your own voice and change the voice-over sound during the game.

The 上毛かるた app is available for free and is supported by advertisements.