2048 Pro with UNDO is a free iPhone application developed by Pin Gao. It falls under the lifestyle category and aims to provide an enjoyable gaming experience. The program allows users to play the popular puzzle game 2048 while also offering an "UNDO" feature, making it easier to correct any wrong moves.

The objective of the game is to join numbered tiles and reach the elusive 2048 tile. Players can swipe in any direction to move all the tiles on the board. When two tiles with the same number touch, they merge into one, creating a new tile with a doubled value.

With the addition of the "UNDO" feature, players can now easily revert their moves and strategize their way to higher scores. This feature adds an extra layer of convenience and flexibility to the gameplay.

Overall, 2048 Pro with UNDO provides a fun and addictive gaming experience for iPhone users. Whether you're a fan of the original 2048 or new to the game, this app offers an enjoyable way to challenge your puzzle-solving skills and aim for high scores.