Readdle announced time limited discount for its best selling iOS applications. Scanner Pro, that turns iPhone into portable scanner, now is available at $4.99 (USD). PDF Expert, to annotate PDF documents, sign contracts and fill out PDF forms, costs $6.99 (USD) on the App Store. The price reduction is valid for 48 hours until May 26.

Scanner Pro has topped the list of best selling business applications on the App Store for many times. Since October 2009, more than 200 000 users worldwide have used it to convert 10 millions paper documents into PDFs.

Another product on sale is PDF Expert, a cutting edge application for annotating PDF documents and editing PDF forms. Thousands of students, legal professionals, real estate managers, sales agents and business owners use it daily to annotate PDF documents, sign contracts on the go and fill PDF forms miles away from the computer.

"Anyone who uses iPhone and iPad to do real work should have Scanner Pro and PDF Expert on their devices. With these apps you can leave your laptop at home and only use the iPad and iPhone to get things done," says Alex Tyagulsky, Readdle CMO.