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MarkReader vs OK Timer

A side-by-side look at MarkReader and OK Timer. For an in-depth review of either product, follow the links below.

MarkReader

MarkReader

Office & Productivity

MarkReader is a free, open-source document viewer and annotation tool. It allows users to view PDFs, Word docs, PPTs and more while adding highlights, notes, bookmarks and annotations. Useful for reviewing documents, collaborating with others, and organizing research.

pdfviewerannotationhighlightsnotesbookmarkscollaborationresearch
OK Timer

OK Timer

Online Services

OK Timer is a simple online timer tool that allows you to set multiple customizable countdown timers. It has a clean and intuitive interface with options to name your timers, choose different alarm sounds, and edit timer durations on the fly.

timercountdownalarm