IGG Software today announced the release of iBiz 2.4.6, a time-billing and invoicing application exclusively for Mac OS X. Version 2.4.6 offers numerous bug fixes and small enhancements and is a free upgrade to all registered users. iBiz 2.4.6 client/server was also updated. iBiz offers fully customizable invoice and report templates, job event (task) grouping and a number of other features. iBiz is priced at US$29.99 and a fully-working 10 day trial copy is available.