Video: Zoho Docs vs iWork

Zoho Docs is a central document repository for all types of documents. Store and share files securely and access them anywhere anytime. Zoho Docs provides a Online Workspace for documents. It makes file sharing easy and Collaborate with your friends, team members, colleagues, etc on multiple documents. Manage your document review process by creating and maintaining multiple versions of a document.
iWork has always been the best way to be productive on the Mac. And iWork for iOS made it easy to create beautiful documents on iPad and iPhone. With iWork for iCloud we’re bringing Pages, Numbers, and Keynote to the web — on Mac and PC. And thanks to iCloud, your work is always up to date on all your devices. It’s easy to work with Microsoft Word, Excel, and PowerPoint files. iWork alternative for PC is Office 365.
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2017 - Apple makes iWork free to keep up competition with Zoho Docs

Apple rolled out updated versions of its iWork suite, making it free for all customers on both platforms. Many customers already had free copies of these apps, as they came free with new Mac or iOS devices. The pricing change, however, removes the requirement to have bought new Apple hardware to get the apps for free. This expands the apps’ reach to anyone using Apple devices, even if they never bought new or are using older devices. iWork is actually a suite of productivity apps — Numbers, Keynote and Pages — meant to rival Microsoft Office and Google Docs.  Prior to the price change, the Mac versions of the iWork apps were $19.99 and the iOS versions were $9.99 apiece for those customers who hadn’t bought a new device in the past few years.

2014 - Zoho allows to edit Word docs on iPad for free to strike back at iWork

Seeing the success of MS Office for iPad, Zoho developers decided to release the own document editor Zoho Writer для iPad. Unlike Microsoft's app, which allows only view documents for free, Zoho Writer is absolutely free, and judging by the reviews it easily copes with complicated documents (with tables, lists, styles, pictures, etc. ) . Documents can be stored either in Dropbox or in Zoho's own file storage Zoho Docs. The app supports offline mode and external keyboard. However, it doesn't support real-time collaboration that is available in the online version of Zoho Writer.