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Voiceflow, which allows anyone to make voice apps without coding, raises $3.5 million

Voiceflow, which allows anyone to make voice apps without coding, raises $3.5 million
Technology
The round was led by True Ventures, and includes participation from ProductHunt founder Ryan Hoover, Eventbrite founder Kevin Hartz, and InVision founder Clark Valberg. The company has previously raised $500,000 in pre-seed funding.

Explains Voiceflow CEO and co-founder Braden Ream, the idea for a collaborative platform for building voice apps came from direct experience as a voice app developer.

The team — which also includes Tyler Han, Michael Hood, and Andrew Lawrence — had decided to build a voice application offering interactive children’s stories for Alexa, called Storyflow .

But as the team began to build out its library of these choose-your-own-adventure stories, they realized the process wasn’t scaling fast enough to serve their user base — they simply couldn’t build the storyboards with all their branches fast enough.

“At some point, we had the idea to just do a drag-and-drop,” says Ream. “I wished I could build the flow chart, the scripting and the actual coding — I wished this was all one step. That led us to build a really early iteration of what is now Voiceflow. It was sort of an internal tool,” he continues. “And being the nerds that we are, we kept making the platform better by adding logic, variables, and modularity.”

The original plan was to make Storyflow’s platform a “YouTube of voice” so anyone could build their stories easily.

But when the Storyflow community got ahold of what the team had built, they very quickly wanted to use it to build their own voice apps — not just interactive stories.

“That’s when the lightbulb went off for us,” notes Ream. “This could easily be the central platform for building voice apps, and not necessarily interactive children’s stories. The pivot was very easy,” he says. “All we had to do was change our name from Storyflow to Voiceflow.”

The platform, officially launched in November, and today has over 7,500 customers who have published some 250 voice apps using its tools.

Voiceflow is designed to be non-technical for those who don’t know how to code. For example, its two basic block types are “speak” and “choice.” Its blocks are organized on the screen through drag-and-drop, as users design the flow of their app. For more technical users, an advanced section allows you to add logic and variables — but it’s still entirely visual.

For enterprise customers, there’s also an API block in Voiceflow that allows the customer to integrate the business’s own API into their voice app.

What’s also interesting about the product is its collaborative features. While Voiceflow is free for individuals, its business model is focused on allowing teams to work together to build voice apps. Priced at $29 per month in its paid workspaces, voice agencies that have a larger staff — including linguists, voice user interface designers, and developers, for example —  can all work together on one board, share projects, and hand of assets more easily.

With the seed funding, Voiceflow plans to grow the team by hiring more engineers, and continue to develop the platform.

Longer-term, the company wants to help people design better, more human-sounding voice apps through its platform.

“The problem right now is you have documentation and best practices by Google. Then you have the exact same on the Alexa side, but there’s no coherent industry standard. And there’s certainly no tangible base of examples, or easy way to put these into practice,” Bream explains. “If we can help spawn another 10,000 voice user interface designers — we can help train them and give them a platform that’s accessible, where they can collaborate with each other — I think you’re going to see a tremendous uplift in the quality of conversations.”

On this front, Voiceflow has started a program called Voiceflow University, which today includes video tutorials but will later become a more standardized training course.
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