On-Core Software develops high quality applications for iPhone, iPad, Mac, Windows and Android. From time tracking and billing to shooting sports, security and games, we have the tools you need to get the job done.
Browse All AppsStart tracking time with just a few taps. Never miss a billable minute again.
Track both time and expenses in one place and generate accurate client bills.
Available on your iPhone or iPod Touch at all times, wherever you are.
Superior ease of use means you spend less time on admin and more time on work.
Those little minutes add up every month. Time Master pays for itself in one month.
See Time Master in action on iPhone and iPad. View screenshots.
On-Core Software LLC has been developing high quality applications for Apple and Windows platforms for many years. Our apps span productivity, security, sports, games and utilities — built with a focus on simplicity, reliability and ease of use.
Whether you need to track billable time, score a steel shooting event, encrypt your messages or just have fun, On-Core Software has an app for you.
Are you losing money due to poor record keeping? Time Master simplifies the process with an app always handy on your phone, tablet or desktop. Track time with just a few taps, bill clients accurately, and sync across iOS, Android and Windows.
Learn MoreThe field companion to Time Master + Billing. Perfect for contractors and service companies with field staff — workers track time, log expenses and even generate invoices on the go, then sync seamlessly back to the office. Available for iOS and Android.
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The powerful yet easy-to-use FTP/SFTP client for the Apple Macintosh. Modeled on the RFC 959 standard, SimpleFTP emphasizes simplicity and ease of use so you can move files without wrestling with a complicated interface.
Learn MoreEnjoy the classic Japanese arcade game right on your device. Similar to pinball, Pachinko is fun and easy to play — available for iPhone, with a dedicated Pachinko HD edition for iPad.
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