<p>By Neil Hughes Popular iPad-only magazine Trvl reached 100 issues and a million app installs last week. Now, the company behind the publication has set its sights on its next major milestone: this summer's public launch of its proprietary publishing tool, Prss.Michel Elings, co-founder of Prss and Trvl for iPad, spoke with AppleInsider about his new publishing tools that will soon be available to iOS developers. He said he learned a great deal about the digital publishing world two and a half years ago, when Trvl debuted on the iPad, when he "made all of the mistakes in one month."The mantra behind Prss is to not "screw" anyone particularly the reader or the publisher</p><p>At the start, Trvl put all of the content in one downloadable issue with a large file size, and published once a month for a $2.99 price.</p><p>"People really hated us," he admitted.</p><p>When Elings and his team started out, they were working with Adobe InDesign to create Trvl. When that wasn't enough, they tried some other tools, but nothing quite cut it in their eyes. The main problem, he said, is third-party platforms have the goal of being on every platform, rather than focusing on doing the best possible job on just one.That's when the team behind Trvl started developing their own digital publishing tools, which they've dubbed Prss. In the words of Elings, he and his team set out to become "the software Apple forgot to make."</p><p><a href="http://appleinsider.com/articles/13/04/14/after-powering-100-issues-of-trvl-for-ipad-prss-is-pitched-as-the-software-apple-forgot-to-make">Keep reading...</a></p>