Mark Locker

UDID Tool is a simple tool that displays the Unique Device Identifier of your device. It works on iPhones, iPod touches and iPads in all orientations …

Emergency Location is a potentially life saving app which will automatically send your location information to a specified person when launched in an …

FeePal quickly and conveniently calculates US PayPal Fees. It automatically selects the correct flat rate and percentage fee for your transaction, all …

GPS Info for the iPhone 3G, iPhone 3GS and iPhone 4, will display your:- Location name- Latitude- Longitude- Altitude- Direction- SpeedYou can send an …

Table Tip is a 'Tip Calculator' application for the iPhone and iPod touch. It assists you in working out a tip amount for your waiter/waitress and als …