The phrase "allowed users to build" is correct and usable in written English.
It can be used when describing a feature or functionality that enables users to create or develop something, often in the context of software or applications.
Example: "The new software update allowed users to build custom reports tailored to their specific needs."
Alternatives: "permitted users to create" or "enabled users to construct".
Balogh and Serbajlo met two years ago and had been working on an application called Webie that allowed users to build a website from their mobile phone.
In a sign of the times, Wix's new product allowed users to build sites that would display across both PC and mobile browsers in a drag and drop format that co-founder Avishai Abrahami compared to "HTML5 for Dummies".
The company had been steadily chugging along, adding functionality piece-by-piece until it launched its HTML5 builder in March of 2012, which allowed users to build sites that would "display across both PC and mobile browsers in a drag and drop format that co-founder Avishai Abrahami compared to 'HTML5 for Dummies.'".
Kidding aside, the $495-per-license software will likely be integrated with Google's Earth product, for which @Last has already created a plug-in to allow users to build objects like buildings at street level.
It covers an online software platform that allows users to build relationship networks.
The service, which allows users to build custom radio stations online, has swelled in recent years.
KnowNow software allows users to build publish-and-subscribe services delivered over the Internet.
It allows users to build teams, trade players and compete with other users, much the way fantasy baseball and football work.
The resulting Block by Block project commissioned Fyre, a British Minecraft community, allows users to build models of areas lined up for redevelopment.
Perhaps more than any other social media platform, Twitter allows users to build and cultivate social circles with very little delineation between friends, strangers, casual acquaintances and celebrities.
Sony's Dreams (made by LittleBigPlanet creator, Media Molecule) will allow users to build and paint a huge variety of hazy, yet beguiling stages.
