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

Yellow Field Technologies and Coach Joe Beer has announced MyZones 1.0, exclusively for the iPhone and iPod touch. The US$3.99 app calculates training heart rate zones that can be used by runners, cyclists, triathletes from keen fitness enthusiasts to focussed racers. MyZones can calculate your personal zones from maximum heart rate, race HR data, or professional lab test results.

SplashData has rolled out SplashID, a new version of its $9.99 secure password manager for the iPad. It offers an interface for storing, organizing and accessing passwords, PINs, account numbers, frequent flier numbers, and any kind of information that needs to be readily available yet completely secure. It provides iPad users with both AES and Blowfish encryption, a password strength meter, a web browser plug-in with web form auto-fill and much more.

The Epilepsy Therapy Project (ETP), a non-profit organization dedicated to accelerating new therapies for people living with epilepsy and seizures and the parent organization of epilepsy.com, has launched an iPhone app called "My Epilepsy Diary," a free data-gathering and reporting tool designed to improve epilepsy care.  

Consumers can find the best mortgage, credit card, and deposit rates by going to ERATE.com on their computer. But for those on the go, Informa Research Services, a subsidiary of Informa plc, suggests consumers use ERATE.com’s free iPhone app to shop for the best mortgage and credit card rates at http://www.erate.com/mortgage_rates_search.htm .

Doseido has introduced Sally Park 1.0 for the iPhone 3GS, a $0.99 solution to the problem of locating one's parked car. On leaving their vehicle the user just presses the Park button, and the exact GPS coordinates are saved. To find their parked vehicle the user need only follow the continuously updated, full-screen display indicating what direction to take, how far to go, and any street address that may be in close proximity to their destination.

Tripware has produced a mobile travel app, MoBook, that lets business travelers’ book flights, hotels, and cars on their iPhone, iPod touch or iPad. To get Tripware MoBook, travelers sign up for free at the company’s website, http://www.tripware.com, and follow the prompts to the Apple App Store.

Coladia has served up the full version of its adventure game Secret of the Lost Cavern for iPhone and iPod touch. The game was previously only available in four episodes. People can now enjoy the full game in a single app for $4.99. Episode 1 is still available for free to allow players to discover the beginning of this fantastic prehistoric adventure.

Conrad Hotels & Resorts has introduced a free iPhone and iPod touch app. It be used for tasks ranging from managing reservations to e-check-in.

I-play has revved up and shipped Fast & Furious: Adrenaline for iPhone and iPod touch. It's a $2.99 game based on the film series that takes players to the mean streets of Los Angeles where they must defend their turf and conquer territories by wining races.

Big Stone Phone has unveiled Twittelator for iPad 1.1, an evolution of its $1.99 Twitter client. Its interface allows you to always keep your friends' tweets in view while you explore the rest of what Twitter has to offer. Version 1.1 features a new Slide to Send, Channels to find cool tweeters and content on any subject, and super turbocharging.

AppTouch has released HeartScan 1.1 for iPhone and iPod touch users. The $0.99 app allows for self heart monitoring by measuring a user's heart rate and determining the beats per second.

SchoSoft has announced Hide'n'Seek 1.1 for the iPhone and iPod touch users. The $0.99 app takes a childhood favorite and gives it a modern spin with tracking tools, a timer and even a Solitaire practice session. Hide'n'Seek offers radar, Google Maps and Bluetooth technology.

Marco De Girolamohas served up BabelMenu 1.1, an update of the iPhone/iPod touch app ($2.99) that introduces nutrition fact and improved food database. Its database includes 1,500 international dishes, classified in 19 categories, available in four languages, with description and nutrition fact.

drahtwerk has rolled outTumbles HD 1.2, its first game for the iPad. It's a physics-based match-three game with five distinct game modes: Classic, Challenge, Blitz, Versus and Multiplayer. Two players can compete head-to-head on a single iPad device. To celebrate drahtwerk's first iPad title, the price has been set to $0.99 for a limited time.

Houdah Software has updated Search Rocket for for the iPad to version 1.5. Search Rocket is a web search accelerator. Version 1.5 adds support for the iPad. It's a free upgrade for users of ACTRocket for iPhone; for new users the cost is $0.99.

This weekend, and every Friday in May, 7b5 Labs will donate all proceeds from sales of Subatomic to the Grameen Foundation, a global nonprofit dedicated to providing funding to individuals in third-world countries working to improve their lives and their economies from the ground up. In the physics-based microscopic world of Subatomic ($1.99), players use gravity fields to coax particles of antimatter into reactor cores, collecting enough fuel to help launch a fleet of rockets to ensure the human race's survival after a global catastrophe.