iYoga Premium: the making of a best-selling yoga app

Flashbacks from Yoga One founders Amy and Michael Caldwell on how they nurtured a family-owned business and a thriving yoga community.

Amy Caldwell reviewing iYoga Premium app

The vast warehouse was drafty and cold. Perfect for Amy. She was dressed in a black bodysuit with a hood and covered in electrodes. Over the next few hours, Amy generated plenty of heat as she demoed over 190 yoga poses. Total badass!

It was the spring of 2011 (I believe) and a couple of weeks prior, we had received a phone call from Niall Johnson at Scotland based 3D4Medical inquiring if we were interested in collaborating on a yoga app. Yes! Following a brief brainstorming session, production got underway. I was responsible for monitoring alignment and angles. 

Pendulum, the motion capture crew, was known for helping to render high quality video games. They demonstrated their skill creating a superhero type avatar for Amy that was projected onto a large screen as she did the poses. Ultimately, for the iYoga Premium app, Pendulum processed over 340,000 frames of motion capture, rendered over 50 million frames and delivered 8.7 hours for the final video to bring the virtual yoga teacher Amy to life!

“It was surreal to see my movements in real time displayed on a huge screen,” Amy said. “The whole process reinforced for me that yoga is as much a moving meditation as it is a physical activity. The stage was freezing and the motion capture suit was a little constricting. The conditions were challenging, but I quickly got into a rhythm and focused on my breath to stay centered.” Amy was exhausted but exuberant about the project’s future. 

Yet there was more work to be done. Amy recorded the voice over instruction for each and every pose and each and every sequence she put together. In the end, there are 16 different sequences students can follow, or you can create your own – all with Amy’s vocal guidance.

Finally, Amy and our friend, physical therapist, and fellow yogi Rachel Krentzman (author of Yoga for a Healthy Back and Scoliosis, Yoga Therapy and the Art of Letting Go) broke down the anatomy of each pose. They notated when muscles were contracting, stretching, or both – one by one, for nearly 200 poses! They included the English and Sanskrit pose names, contraindications, pose difficulty level and category, ie.  standing, seated, etc. Needless to say, it was an intense labor of love.

Upon release, iYoga Premium had over 15,000 downloads in the first month and topped Apple’s world-wide Health and Fitness paid app list. The app received positive press in Yoga Journal and Amy was interviewed and featured in Pacific Magazine, among others. In 2016, iYoga Premium won Health Line’s Best App award.

There were some technical limitations, for example, the avatar always needs to come back to Tadasana (mountain poses) during the sequencing.  

Some years later, we came full circle and held a class at the studio and projected the app onto the wall and let virtual Amy lead the class with actual Amy offering enhancements.

About yogaoneblog

Award-winning Yoga One has been helping people live healthier and happier lives since 2002. We've honored to have been voted Best Yoga in San Diego ten years. We offer a positive, non-competitive, friendly environment and our instructors are knowledgeable and teach optimal alignment principles. We look forward to sharing the joys and benefits of yoga with you. Namaste!
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