d3i is a software venture studio best known for its flagship mobile app, Momento, an award-winning, category-defining iOS journalling app — celebrated by Apple, featured globally, and renowned for its pioneering design and seamless, intelligent life-logging experience.
Founded in 2007 by Oliver Waters and Michael Waterfall as a software agency, we transitioned to a venture studio, developing our own innovative and impactful digital products.
We also co-create ventures, partnering with exceptional individuals and companies, providing digital product expertise to support the development of new ideas that we believe will make a difference.
Momento is a smart private journal automatically created from your daily activities and photos on popular social networks and web services.
2009-Present
Build, manage and engage professional communities, supporting the development of meaningful relationships, sharing knowledge and creating opportunity.
2020-2023
Stache makes it quick and easy to collect and re-discover pages you find useful, interesting or inspiring, in a beautiful, visual and fully searchable library.
2014-2022
Typify builds a simple page that unifies your online presence and stays up to date effortlessly. A personal web page without the hassle.
2013-2016
For venture partnership opportunities please reach out to us at . Product support is available via the respective support centers for our products.