We build...

products for life

elegant Ruby on Rails code

creative user-centered designs

engaging mobile experiences

interactive iOS apps

thriving organic gardens

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Web App UX, Design, & Development


Web app design and development to support open-access research

Using Lean UX, test-driven development (TDD), and agile processes, we designed and developed web apps and responsive websites to further open science.

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We approach your problem with an open mind, listening to you and speaking your language.

Our elegant designs and maintainable software stay true to your needs and values.

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Cloud City worked more as partners and part of the team than as outsourcers or a typical consultancy. We were left far better off and more self-sufficient after the engagement than before!

Michelle Lam, CEO, True & Co.

from the blog: iOS design & development tutorial

Swift BLE tutorial will have you connecting and interacting with the Internet of Things (IoT) in no time at all!

In this third and final installment of our Zero to BLE with iOS primer, Evan K. Stone updates Apple’s sample demo app, which was last revised in 2012, and converts it from Objective-C to Swift. While the revised sample app’s behavior is similar to the original, it behaves slightly differently, going beyond what the demo accomplishes to cover advanced topics such as Disconnection and Reconnection; Backgrounding; and State Preservation and Restoration.

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