Here are the latest iPhone/iPod touch/iPod/iPad apps. You can find 'em at the Apple App Store (www.itunes.com/appstore/).

Love Fun Apps has announced Grand Gems Calculator 1.0 for iOS. The free, customizable calculator allows users to create different keypad gem colors and features changeable background skins, a variety of particle shapes around the borders, and sound effects that bring the calculator to life.

Rohan Pro Studios has released Trvlogue 1.0 for iOS, its new solution for making Travel easy. The free ap gives you the opportunity to learn about your destination, get currency conversions, translations, find places and more. Plus, you can keep track of all your flights.

Elecont has introduced Weather Alert Map USA 1.0 for the iPhone and iPad. The US$0.99 app alerts you of significant US weather events including watches, warnings and advisories using color-coded vector-based maps.

Janne Hansen has unveiled Bounce 1.0. In the $1.99 tribute to the pocket games of the eighties, players take control of the paddle and help the Bounce dy brothers deliver falling items to safety.

Not Doppler has unleashed Earn to Die Lite ($2.99) and Earn to Die HD Lite ($0.99). In the games, players unlock and upgrade vehicles as they drive their way through a zombie apocalypse. The lite version allows players to experience the first level from Earn to Die's Story Mode.

Cocos Games has unveiled Atomic Frogs, an $1.99 adaptation of the physics-hurling genre with a twist. Join a band of mutant frogs as they go on a quest to reclaim their radioactive water from evil robots.

Rise Up Labs has debuted Tap Tap Ants: Battlefield. In the free game (which offers in-app purchases for extra items) you must prevent the ants from eating your food.

"Starting a Hobby -- Digital Photography" is a new, $5.99 ebook for the iPad. It's interactive and is designed to give readers all the understanding they need to begin the art of photography.

Mezmedia has cooked up Bamba Burger 1.0 for the iPad. BIn the free game, kids put together their favorite burger, make French fries and mix their own sodas.

iFree Studio has produced Monster's Life 1.0. The free app brings players back into the pocket monster era where players experience a new kind of pocket monster. Players enter the game choosing their own monster, each with their own technique and unique way of living. Undiscovered lands are covered with fog and players must fight their way through fog-shrouded maps to discover and collect monsters of various kinds. Players must build a strong team to defeat all other players in the land.

Cheshire West and Chester Council have teamed up for a free app to help people explore and enjoy the heritage of Chester's City Walls and Towers. Chester Walls Quest combines factual information with maps, multimedia, and the option to play a social location quest game as visitors check-in to different locations around the Walls and share their experiences with friends using social media.

Dr Robert Belluso has presented Little Bird Game 1.0. In the free game, players use gravity and speed to build momentum to get through each level.